<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0034-7744</journal-id>
<journal-title><![CDATA[Revista de Biología Tropical]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. biol. trop]]></abbrev-journal-title>
<issn>0034-7744</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Costa Rica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0034-77441999000400006</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Distribución, mortalidad y asociación con plantas, de nidos de Paraponera clavata (Hymenoptera: Formicidae) en la isla de Barro Colorado, Panamá]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez]]></surname>
<given-names><![CDATA[Rolando]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Condit]]></surname>
<given-names><![CDATA[Richard]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lao]]></surname>
<given-names><![CDATA[Suzanne]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Centro de Ciencias Forestales del Trópico  ]]></institution>
<addr-line><![CDATA[Balboa ]]></addr-line>
<country>Rep. de Panamá</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>1999</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>1999</year>
</pub-date>
<volume>47</volume>
<numero>4</numero>
<fpage>697</fpage>
<lpage>709</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0034-77441999000400006&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0034-77441999000400006&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0034-77441999000400006&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[We studied the distribution, mortality and association with plants, of 308 nests of the neotropical ant Paraponera clavata, in a permanent 50 hectare plot in old-growth forest on Barro Colorado island between September 1993 and February 1995. Ant nests were uniformly dispersed throughout the plot, and significantly associated with the high plateau and patch of young forest in the plot. The average density was 6.2 nests per hectare. Mortality of nests was higher with increasing number of neighbors within 20 m, compared to those separated at greater distances. The mortality was between 13.36% and 69.64% depending on the census interval, and recruitment between 22.63% and 31.72%. The nests were found in 84 plant species of 34 families, pertaining to four life forms: 76 species were trees, 5 were shrubs, 2 were palms and one was a liana. We tested for association between ant nests and tree species and tree size by examining whether nests were more common in certain categories than would be expected by change. Eight species of plants were positively associated with Paraponera clavata. The ant preferentially selected trees between 8 and 63.9 cm diameter at breast height. Trees and small shrubs were not associated with the nests. No association was found between ant nests and trees with extra-floral nectaries. Fifty-three percent of the nests had a Phrynus gervaisii (Amblypygi: Phrynidae) cohabiting inside. These nests had lower mortality rates than the rest.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Se estudió la distribución, mortalidad, reclutamiento y asociación con plantas, de 308 nidos de la hormiga neotropical Paraponera clavata en una parcela de cincuenta hectáreas de bosque viejo en la isla de Barro Colorado entre septiembre de 1993 y febrero de 1995. Los nidos estaban distribuidos uniformemente a través de toda la parcela, y se asociaban de manera significativa con el tipo de hábitat, existían más nidos de los esperados en las planicies altas y en la sección de bosque más joven de la parcela. La densidad promedio era de 6.2 nidos por hectárea. Los nidos con un mayor número de vecinos entre 0 y 20 m de distancia, tenían una mayor probabilidad de morir, si se comparaban con aquéllos que se encontraban separados por distancias mayores. La mortalidad era entre 13.36 y 69.64% dependiendo del intervalo de censo, y el reclutamiento fue del 22.63 y 31.72%. Los nidos se encontraron en las bases de 84 especies de plantas, en 34 familias con cuatro categorías de forma de vida: 76 especies eran árboles, 5 especies eran arbustos, 2 especies eran palmas y 1 era liana. Ocho especies de plantas se asociaban positivamente con los nidos de la hormiga. Plantas medianas entre 8 y 63.9 cm de DAP eran las más utilizadas. Arboles y arbustos pequeños presentan muy poca asociación con los nidos. La hormiga no se asocia con árboles que tienen nectarios extraflorales. El 53% de los nidos tenían a Phrynus gervaisii (Amblypygi: Phrynidae) habitando en el interior. Estos nidos presentaron menores tasas de mortalidad en comparación con el resto.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Paraponera clavata]]></kwd>
<kwd lng="en"><![CDATA[nests]]></kwd>
<kwd lng="en"><![CDATA[distribution]]></kwd>
<kwd lng="en"><![CDATA[mortality]]></kwd>
<kwd lng="en"><![CDATA[recruitment]]></kwd>
<kwd lng="en"><![CDATA[association]]></kwd>
<kwd lng="en"><![CDATA[extra-floral nectaries]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <center><font face="Arial,Helvetica"><b>Distribuci&oacute;n, mortalidad y asociaci&oacute;n con plantas, de nidos de </b>Paraponera clavata<b> (Hymenoptera: Formicidae) en la isla de Barro Colorado, Panam&aacute;</b></font><font size=-1></font>     <p><font face="Arial,Helvetica"><font size=-1><b>Rolando P&eacute;rez, Richard Condit y Suzanne Lao&nbsp;<a NAME="1"></a></b><sup><a href="#1a">1</a></sup></font></font><font size=-1></font>     <p><font face="Arial,Helvetica"><font size=-1>Recibido 22-V-1998. Corregido 15-VI-1999. Aceptado 16-VI-1999.</font></font></center> <font size=-1></font>     <p><b><font face="Arial,Helvetica"><font size=-1>Abstract</font></font></b><font face="Arial,Helvetica"><font size=-1></font></font>     <p><font face="Arial,Helvetica"><font size=-1>We studied the distribution, mortality and association with plants, of 308 nests of the neotropical ant <i>Paraponera clavata</i>, in a permanent 50 hectare plot in old-growth forest on Barro Colorado island between September 1993 and February 1995. Ant nests were uniformly dispersed throughout the plot, and significantly associated with the high plateau and patch of young forest in the plot. The average density was 6.2 nests per hectare. Mortality of nests was higher with increasing number of neighbors within 20 m, compared to those separated at greater distances. The mortality was between 13.36% and 69.64% depending on the census interval, and recruitment between 22.63% and 31.72%. The nests were found in 84 plant species of 34 families, pertaining to four life forms: 76 species were trees, 5 were shrubs, 2 were palms and one was a liana. We tested for association between ant nests and tree species and tree size by examining whether nests were more common in certain categories than would be expected by change. Eight species of plants were positively associated with <i>Paraponera clavata</i>. The ant preferentially selected trees between 8 and 63.9 cm diameter at breast height. Trees and small shrubs were not associated with the nests. No association was found between ant nests and trees with extra-floral nectaries. Fifty-three percent of the nests had a <i>Phrynus gervaisii</i> (Amblypygi: Phrynidae) cohabiting inside. These nests had lower mortality rates than the rest.</font></font>     <br><font size=-1></font>&nbsp;<b><font face="Arial,Helvetica"><font size=-1></font></font></b>     <p><b><font face="Arial,Helvetica"><font size=-1>Key words</font></font></b><i><font face="Arial,Helvetica"><font size=-1></font></font></i>     <p><font face="Arial,Helvetica"><font size=-1><i>Paraponera clavata</i>, nests, distribution, mortality, recruitment, association, extra-floral nectaries.</font></font>     <br><font face="Arial,Helvetica"><font size=-1></font></font>&nbsp;<font size=-1></font>     <p><font face="Arial,Helvetica"><font size=-1>Paraponera clavata Smith, 1958 (Hymenoptera: Formicidae: Ponerinae) es una gigantesca (26 mm) hormiga neotropical que se encuentra distribuida desde Brasil (Sao Paulo) y Paraguay hasta la costa atl&aacute;ntica de Nicaragua (<a href="#Janzen">Janzen y Carroll 1983</a>). Esta hormiga es un insecto social que vive en colonias de unos 500 a 1500 individuos (<a href="#McCluskey">McCluskey y Brown 1972</a>, <a href="#Janzen">Janzen y Carroll 1983</a>), construye nidos subterr&aacute;neos en la base de &aacute;rboles, palmas y lianas (<a href="#Belk">Belk <i>et al</i>. 1989</a>, <a href="#Holldobler90a">Holldobler y Wilson 1990a</a>). <i>P</i>. <i>clavata</i> es omn&iacute;vora, se alimenta de n&eacute;ctar y peque&ntilde;os artr&oacute;podos como escarabajos, larvas de lepid&oacute;pteros y ara&ntilde;as (<a href="#Young">Young y Hermann 1980</a>). Muchos autores (<a href="#Hermann">Hermann 1975</a>, <a href="#Janzen">Janzen y Carroll 1983</a>, <a href="#Breed">Breed y Bennett 1985</a>, <a href="#Barrett">Barrett 1985</a>), observaron a esta hormiga recolectando n&eacute;ctar de los nectarios extraflorales de <i>Pentaclethra macroloba</i> (Leguminosae) y en las inflorescencias de <i>Costus</i> spp. (Zingiberaceae). Es por ello que estos autores han tratado de establecer una relaci&oacute;n de asociaci&oacute;n no obligatoria entre <i>P</i>. <i>clavata</i> y &aacute;rboles con nectarios.</font></font><font size=-1></font>     ]]></body>
<body><![CDATA[<p><font face="Arial,Helvetica"><font size=-1>La distribuci&oacute;n de los nidos de estas hormigas est&aacute; influida por actividades territoriales de colonias vecinas de la misma especie (<a href="#Holldobler90b">Holldobler y Wilson 1990b</a>, <a href="#Ryti">Ryti y Case 1992</a>). A escala local, la competencia es un factor de regulaci&oacute;n en las poblaciones de hormigas (<a href="#Holldobler80">Holldobler y Lumsden 1980</a>, <a href="#Holldobler90b">Holldobler y Wilson 1990b</a>). Las colonias de hormigas pueden compararse con organismos s&eacute;siles, porque una vez establecidas, permanecen fijas en un espacio dado y sobreviven por mucho tiempo (<a href="#Thurber">Thurber <i>et al</i>. 1993</a>).</font></font><font size=-1></font>     <p><font face="Arial,Helvetica"><font size=-1>Se evalua la distribuci&oacute;n, mortalidad y asociaci&oacute;n con plantas de nidos de <i>P</i>. <i>clavata</i> en una parcela de cincuenta hect&aacute;reas de la isla de Barro Colorado, para responder las siguientes preguntas: &iquest;C&oacute;mo est&aacute;n distribuidos los nidos en la parcela? &iquest;C&oacute;mo son las tasas de mortalidad y reclutamiento general? &iquest;Hay evidencias de asociaci&oacute;n entre los nidos de la hormiga y las plantas de la parcela? &iquest;S&iacute; los nidos est&aacute;n asociados con &aacute;rboles con nectarios extraflorales? &iquest;S&iacute; existen otros organimos que pueden cohabitar en el nido con estas hormigas?</font></font>     <br><font size=-1></font>&nbsp;<font size=-1></font>     <p><b><font face="Arial,Helvetica"><font size=-1>Materiales y M&eacute;todos</font></font></b><font size=-1></font>     <p><font face="Arial,Helvetica"><font size=-1><b>Zona de estudio:</b> La isla de Barro Colorado est&aacute; localizada entre los 9&deg;09' N y 79&deg;51' W. Es una colina de 1500 hect&aacute;reas que sobresale 137 m del lago Gat&uacute;n en el centro del Canal de Panam&aacute;. <a href="#Croat">Croat (1978)</a> y <a href="#Leigh">Leigh <i>et al</i>. (1990)</a> describen detalladamente el clima, la flora y la fauna de la isla. Nuestro estudio se hizo en una parcela permanente de cincuenta hect&aacute;reas, la cual es un rect&aacute;ngulo de 1000 m de largo por 500 m de ancho localizada en la meseta central de la isla. El sitio es relativamente plano, con unas 25 hect&aacute;reas de 0-3 por ciento de pendientes, 13 hect&aacute;reas de 3-10 por ciento de pendientes, y 10 hect&aacute;reas en pendientes moderadas (10-21 por ciento) hacia el este y el sur. Tambi&eacute;n hay un peque&ntilde;o pantano estacional aproximadamente de 2 hect&aacute;reas en la parte central, y una hect&aacute;rea de bosque joven que bordea el extremo noreste de la parcela (<a href="#Hubbell86">Hubbell y Foster 1986</a>). El resto del bosque de la parcela es bosque viejo con m&aacute;s de 500 a&ntilde;os de edad y pocas perturbaciones (<a href="#Piperno">Piperno 1990</a>). Hay un mapa de la parcela en el cual se tienen perfectamente localizados, enumerados con placas de aluminio e identificados, todos los &aacute;rboles, arbustos y palmas que tienen 1 cm o m&aacute;s de DAP (di&aacute;metro a la altura del pecho = 1.30 m desde el suelo) (<a href="#Hubbell83">Hubbell y Foster 1983</a>, <a href="#Hubbell87">1987</a>, <a href="#Condit">Condit <i>et al</i>. 1995</a>). Hasta 1990, se conoc&iacute;a un total de 313 especies de plantas (<a href="#Condit">Condit <i>et al</i>. 1995)</a>.</font></font><font size=-1></font>     <p><font face="Arial,Helvetica"><font size=-1><b>Metodolog&iacute;a del muestreo:</b> Entre septiembre de 1993 y febrero de 1995, censamos y marcamos todos los nidos de <i>P</i>. <i>clavata</i> en la parcela mediante cuatro censos: dos en la estaci&oacute;n lluviosa y dos en la estaci&oacute;n seca. Las fechas de los censos fueron: censo 1 (12-17 de septiembre 1993), censo 2 (12-17 de febrero 1994), censo 3 (12-17 de septiembre 1994) y censo 4 (12-17 de febrero 1995). Los nidos fueron censados por columnas de 20x500 m, orientadas de sur a norte y de una hect&aacute;rea de tama&ntilde;o. Dentro de cada columna buscamos los nidos por cuadrantes de 20x20 m siguiendo siempre el mismo patr&oacute;n. Los nidos encontrados en la base de &aacute;rboles, arbustos y palmas con m&aacute;s de 1 cm de DAP, se perturbaron con la ayuda de un tubo de aluminio de 1 m de largo y 2 cm de ancho para verificar si estaban ocupados por hormigas. Con la ayuda de la base de datos del Proyecto de Din&aacute;mica del Bosque buscamos la identificaci&oacute;n, la localizaci&oacute;n y el DAP de la planta en 1990. Hicimos anotaciones sobre los &aacute;rboles que presentaron contrafuertes y ten&iacute;an nectarios extraflorales. Despu&eacute;s del primer censo consideramos muertos los nidos visitados que no presentaron hormigas.</font></font><font size=-1></font>     <p><font face="Arial,Helvetica"><font size=-1><b>An&aacute;lisis:</b> Estudiamos los patrones de dispersi&oacute;n de los nidos considerando los tama&ntilde;os de cuadrantes que var&iacute;an de 20x20 m hasta 250x250 m usando el &iacute;ndice de dispersi&oacute;n de Morisita (<a href="#Morisita">Morisita 1959</a>, <a href="#Stiteler">Stiteler y Patil 1981</a>). La mortalidad anual la calculamos empleando la f&oacute;rmula de <a href="#Condit">Condit <i>et al</i>. (1995)</a>. Para establecer la relaci&oacute;n entre mortalidad y densidad de los nidos, utilizamos la regresi&oacute;n log&iacute;stica m&uacute;ltiple (<a href="#Engelman">Engelman 1990</a>), empleando para ello las siguientes variables: n&uacute;mero de nidos vecinos entre 0-10 m del nido, entre 10-20 m, entre 20-30 m y entre 30-40 m. Determinamos el reclutamiento anual utilizando la siguiente f&oacute;rmula: r = 100 [In (S+R)-In(S)]/t, donde: r = reclutamiento anual en porcentaje, S = n&uacute;mero de nidos que sobreviven entre el primer y segundo censo, R = reclutas en el segundo censo, t = intervalo en a&ntilde;os. Para analizar la asociaci&oacute;n de los nidos con las especies de plantas de la parcela de cincuenta hect&aacute;reas, comparamos la abundancia total de nidos observada con la esperada, tomando en cuenta el n&uacute;mero total de individuos de las especies de plantas en la parcela y empleando los datos m&aacute;s actualizados del censo de 1990. Aquellas especies de plantas con relativamente pocos individuos (menos de 800), se agruparon y analizaron en conjunto de acuerdo a su forma de vida.</font></font>     <br><font size=-1></font>&nbsp;<b><font size=-1></font></b>     <p><b><font face="Arial,Helvetica"><font size=-1>Resultados</font></font></b><b><font face="Arial,Helvetica"><font size=-1></font></font></b>     <p><font face="Arial,Helvetica"><font size=-1><b>Distribuci&oacute;n de los nidos:</b> Entre septiembre de 1993 y febrero de 1995, se encontr&oacute; 308 nidos de <i>P</i>. <i>clavata</i> en una parcela de cincuenta hect&aacute;reas de la isla de Barro Colorado (<a href="#fig1">Fig. 1</a>). Se registr&oacute; 237 nidos en el primer censo, 196 en el segundo, 202 en el tercero y 210 en el cuarto, la densidad promedio fue de 6.2 nidos por hect&aacute;rea. Los resultados obtenidos con el &iacute;ndice de Morisita (<a href="#CUADRO1">Cuadro 1</a>) indican que los nidos est&aacute;n distribuidos uniformemente (<a href="#fig1">Fig. 1</a>), guardando cierta distancia uno del otro, especialmente en el caso de cuadrantes de 20x20 m y 25x25 m, donde el &iacute;ndice es menor de 1. Parece ser que los nidos se asocian de manera significativa con el tipo de h&aacute;bitat. Encontramos que existen m&aacute;s nidos de los esperados en las planicies altas y especialmente en la secci&oacute;n de bosque joven de la parcela (<a href="#CUADRO2">Cuadro 2</a>), en comparaci&oacute;n con otras &aacute;reas.</font></font>     ]]></body>
<body><![CDATA[<br><font size=-1></font>&nbsp;     <br><font size=-1></font>&nbsp;<font size=-1></font>     <p><a NAME="fig1"></a><img SRC="/img/fbpe/rbt/v47n4/0396i1.GIF" height=425 width=686>     
<br><font size=-1></font>&nbsp;     <p>    <br><font size=-1></font>     <br><font size=-1></font>     <center>     <p><a NAME="CUADRO1"></a><font face="Arial,Helvetica"><font size=-1>CUADRO 1</font></font></center>      <br><font size=-1></font>&nbsp;     ]]></body>
<body><![CDATA[<p>    <br><font size=-1></font>     <p><font face="Arial,Helvetica"><font size=-1>Patrones de dispersi&oacute;n de los nidos de Paraponera clavata en la parcela de cincuenta hect&aacute;reas de la isla de Barro Colorado utilizando el &iacute;ndice de dispersi&oacute;n de Morisita.</font></font><font size=-1></font>     <p><font face="Arial,Helvetica"><font size=-1>Dispersion patterns of the Paraponera clavata nest in Barro Colorado Island 50 ha plot using Morisita's index.</font></font>     <br><font face="Arial,Helvetica"><font size=-1></font></font>&nbsp;     <br><font size=-1></font>&nbsp;     <center><table BORDER=0 CELLSPACING=0 CELLPADDING=5 WIDTH="617" > <tr> <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>Censo</font></font></center> </td>  <td VALIGN=TOP WIDTH="30%">     <center><font face="Arial,Helvetica"><font size=-1>Tama&ntilde;o del cuadrante en (m)</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>N&uacute;mero de cuadrantes</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>N&uacute;mero de nidos</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>Indice de Morisita</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="30%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="16%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="30%">     <center><font face="Arial,Helvetica"><font size=-1>20x20</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>1250</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     <center><font face="Arial,Helvetica"><font size=-1>236</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>0.5860</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="30%">     <center><font face="Arial,Helvetica"><font size=-1>25x25</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>800</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>236</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>0.6635</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="30%">     <center><font face="Arial,Helvetica"><font size=-1>40x40</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>300</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     <center><font face="Arial,Helvetica"><font size=-1>225</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>0.9831</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="30%">     <center><font face="Arial,Helvetica"><font size=-1>50x50</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>200</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>236</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>0.9737</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="30%">     <center><font face="Arial,Helvetica"><font size=-1>100x100</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>50</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     <center><font face="Arial,Helvetica"><font size=-1>236</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>0.9629</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="30%">     <center><font face="Arial,Helvetica"><font size=-1>200x200</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>10</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>189</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>0.9873</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="30%">     <center><font face="Arial,Helvetica"><font size=-1>250x250</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>8</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     <center><font face="Arial,Helvetica"><font size=-1>236</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>1.0135</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="30%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="16%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>2</font></font></center> </td>  <td VALIGN=TOP WIDTH="30%">     <center><font face="Arial,Helvetica"><font size=-1>20x20</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>1250</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>196</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>0.5233</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>2</font></font></center> </td>  <td VALIGN=TOP WIDTH="30%">     <center><font face="Arial,Helvetica"><font size=-1>25x25</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>800</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     <center><font face="Arial,Helvetica"><font size=-1>196</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>0.3768</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>2</font></font></center> </td>  <td VALIGN=TOP WIDTH="30%">     <center><font face="Arial,Helvetica"><font size=-1>40x40</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>300</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>187</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>0.9315</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>2</font></font></center> </td>  <td VALIGN=TOP WIDTH="30%">     <center><font face="Arial,Helvetica"><font size=-1>50x50</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>200</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     <center><font face="Arial,Helvetica"><font size=-1>196</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>0.0152</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>2</font></font></center> </td>  <td VALIGN=TOP WIDTH="30%">     <center><font face="Arial,Helvetica"><font size=-1>100x100</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>50</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>196</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>0.9890</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>2</font></font></center> </td>  <td VALIGN=TOP WIDTH="30%">     <center><font face="Arial,Helvetica"><font size=-1>200x200</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>10</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     <center><font face="Arial,Helvetica"><font size=-1>156</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>0.0108</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>2</font></font></center> </td>  <td VALIGN=TOP WIDTH="30%">     <center><font face="Arial,Helvetica"><font size=-1>250x250</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>8</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>196</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>1.0792</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="30%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="16%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>3</font></font></center> </td>  <td VALIGN=TOP WIDTH="30%">     <center><font face="Arial,Helvetica"><font size=-1>20x20</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>1250</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     <center><font face="Arial,Helvetica"><font size=-1>202</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>0.4926</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>3</font></font></center> </td>  <td VALIGN=TOP WIDTH="30%">     <center><font face="Arial,Helvetica"><font size=-1>25x25</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>800</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>202</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>0.4729</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>3</font></font></center> </td>  <td VALIGN=TOP WIDTH="30%">     <center><font face="Arial,Helvetica"><font size=-1>40x40</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>300</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     <center><font face="Arial,Helvetica"><font size=-1>194</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>0.8653</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>3</font></font></center> </td>  <td VALIGN=TOP WIDTH="30%">     <center><font face="Arial,Helvetica"><font size=-1>50x50</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>200</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>202</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>0.9064</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>3</font></font></center> </td>  <td VALIGN=TOP WIDTH="30%">     <center><font face="Arial,Helvetica"><font size=-1>100x100</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>50</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     <center><font face="Arial,Helvetica"><font size=-1>202</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>0.9630</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>3</font></font></center> </td>  <td VALIGN=TOP WIDTH="30%">     <center><font face="Arial,Helvetica"><font size=-1>200x200</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>10</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>163</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>0.9998</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>3</font></font></center> </td>  <td VALIGN=TOP WIDTH="30%">     <center><font face="Arial,Helvetica"><font size=-1>250x250</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>8</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     <center><font face="Arial,Helvetica"><font size=-1>202</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>1.0612</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="30%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="16%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>4</font></font></center> </td>  <td VALIGN=TOP WIDTH="30%">     <center><font face="Arial,Helvetica"><font size=-1>20x20</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>1250</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>210</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>0.2848</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>4</font></font></center> </td>  <td VALIGN=TOP WIDTH="30%">     <center><font face="Arial,Helvetica"><font size=-1>25x25</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>800</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     <center><font face="Arial,Helvetica"><font size=-1>210</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>0.2187</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>4</font></font></center> </td>  <td VALIGN=TOP WIDTH="30%">     <center><font face="Arial,Helvetica"><font size=-1>40x40</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>300</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>200</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>0.7839</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>4</font></font></center> </td>  <td VALIGN=TOP WIDTH="30%">     <center><font face="Arial,Helvetica"><font size=-1>50x50</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>200</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     <center><font face="Arial,Helvetica"><font size=-1>210</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>0.8111</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>4</font></font></center> </td>  <td VALIGN=TOP WIDTH="30%">     <center><font face="Arial,Helvetica"><font size=-1>100x100</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>50</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>210</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>0.9501</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>4</font></font></center> </td>  <td VALIGN=TOP WIDTH="30%">     <center><font face="Arial,Helvetica"><font size=-1>200x200</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>10</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     <center><font face="Arial,Helvetica"><font size=-1>169</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>1.0031</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>4</font></font></center> </td>  <td VALIGN=TOP WIDTH="30%">     <center><font face="Arial,Helvetica"><font size=-1>250x250</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>8</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>210</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     <center><font face="Arial,Helvetica"><font size=-1>1.0411</font></font></center> </td> </tr> </table></center> <font size=-1></font>     <br><font size=-1></font>&nbsp;<font size=-1></font>     <center>     <p><a NAME="CUADRO2"></a><font face="Arial,Helvetica"><font size=-1>CUADRO 2</font></font></center> <font size=-1></font>     <p><font face="Arial,Helvetica"><font size=-1>Distribuci&oacute;n de los nidos de Paraponera clavata con respecto al tipo de h&aacute;bitat en la parcela de cincuenta hect&aacute;reas de la isla de Barro Colorado.</font></font><font size=-1></font>     <p><font face="Arial,Helvetica"><font size=-1>Distribution of the Paraponera clavata nests according to habitat in Barro Colorado Island 50 ha plot.</font></font>     <br><font face="Arial,Helvetica"><font size=-1></font></font>&nbsp;     <br><font size=-1></font>&nbsp; <table BORDER=0 CELLSPACING=0 CELLPADDING=5 WIDTH="759" > <tr> <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>H&aacute;bitat</font></font></td>  <td VALIGN=TOP WIDTH="14%">     <center><font face="Arial,Helvetica"><font size=-1>Cantidad de 5x5 m</font></font></center> </td>  <td VALIGN=TOP WIDTH="14%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>% en la parcela</font></font></center> </td>  <td VALIGN=TOP WIDTH="13%">     <center><font face="Arial,Helvetica"><font size=-1>Observado</font></font></center> </td>  <td VALIGN=TOP WIDTH="13%">     <center><font face="Arial,Helvetica"><font size=-1>Esperado</font></font></center> </td>  <td VALIGN=TOP WIDTH="14%">     <center><font face="Arial,Helvetica"><font size=-1>Chi cuadrado</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     <center><font face="Arial,Helvetica"><font size=-1>Densidad nidos/has.</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="14%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="14%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="13%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="13%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="14%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="16%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>Planicie alta</font></font></td>  <td VALIGN=TOP WIDTH="14%">     <center><font face="Arial,Helvetica"><font size=-1>2993</font></font></center> </td>  <td VALIGN=TOP WIDTH="14%">     <center><font face="Arial,Helvetica"><font size=-1>14.97</font></font></center> </td>  <td VALIGN=TOP WIDTH="13%">     <center><font face="Arial,Helvetica"><font size=-1>61</font></font></center> </td>  <td VALIGN=TOP WIDTH="13%">     <center><font face="Arial,Helvetica"><font size=-1>46.11</font></font></center> </td>  <td VALIGN=TOP WIDTH="14%">     <center><font face="Arial,Helvetica"><font size=-1>4.81</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>8.2</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>Planicie baja</font></font></td>  <td VALIGN=TOP WIDTH="14%">     <center><font face="Arial,Helvetica"><font size=-1>10669</font></font></center> </td>  <td VALIGN=TOP WIDTH="14%">     <center><font face="Arial,Helvetica"><font size=-1>53.35</font></font></center> </td>  <td VALIGN=TOP WIDTH="13%">     <center><font face="Arial,Helvetica"><font size=-1>168</font></font></center> </td>  <td VALIGN=TOP WIDTH="13%">     <center><font face="Arial,Helvetica"><font size=-1>164.32</font></font></center> </td>  <td VALIGN=TOP WIDTH="14%">     <center><font face="Arial,Helvetica"><font size=-1>0.08</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     <center><font face="Arial,Helvetica"><font size=-1>6.3</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>Pendiente</font></font></td>  <td VALIGN=TOP WIDTH="14%">     <center><font face="Arial,Helvetica"><font size=-1>4805</font></font></center> </td>  <td VALIGN=TOP WIDTH="14%">     <center><font face="Arial,Helvetica"><font size=-1>24.02</font></font></center> </td>  <td VALIGN=TOP WIDTH="13%">     <center><font face="Arial,Helvetica"><font size=-1>56</font></font></center> </td>  <td VALIGN=TOP WIDTH="13%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>73.98</font></font></center> </td>  <td VALIGN=TOP WIDTH="14%">     <center><font face="Arial,Helvetica"><font size=-1>4.37</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     <center><font face="Arial,Helvetica"><font size=-1>4.7</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>Pantano</font></font></td>  <td VALIGN=TOP WIDTH="14%">     <center><font face="Arial,Helvetica"><font size=-1>678</font></font></center> </td>  <td VALIGN=TOP WIDTH="14%">     <center><font face="Arial,Helvetica"><font size=-1>3.39</font></font></center> </td>  <td VALIGN=TOP WIDTH="13%">     <center><font face="Arial,Helvetica"><font size=-1>2</font></font></center> </td>  <td VALIGN=TOP WIDTH="13%">     <center><font face="Arial,Helvetica"><font size=-1>10.44</font></font></center> </td>  <td VALIGN=TOP WIDTH="14%">     <center><font face="Arial,Helvetica"><font size=-1>6.82</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     <center><font face="Arial,Helvetica"><font size=-1>1.2</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>Bosque nuevo</font></font></td>  <td VALIGN=TOP WIDTH="14%">     <center><font face="Arial,Helvetica"><font size=-1>855</font></font></center> </td>  <td VALIGN=TOP WIDTH="14%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>4.27</font></font></center> </td>  <td VALIGN=TOP WIDTH="13%">     <center><font face="Arial,Helvetica"><font size=-1>21</font></font></center> </td>  <td VALIGN=TOP WIDTH="13%">     <center><font face="Arial,Helvetica"><font size=-1>13.18</font></font></center> </td>  <td VALIGN=TOP WIDTH="14%">     <center><font face="Arial,Helvetica"><font size=-1>4.64</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     <center><font face="Arial,Helvetica"><font size=-1>9.8</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>Total</font></font></td>  <td VALIGN=TOP WIDTH="14%">     <center><font face="Arial,Helvetica"><font size=-1>20000</font></font></center> </td>  <td VALIGN=TOP WIDTH="14%">     <center><font face="Arial,Helvetica"><font size=-1>100</font></font></center> </td>  <td VALIGN=TOP WIDTH="13%">     <center><font face="Arial,Helvetica"><font size=-1>308</font></font></center> </td>  <td VALIGN=TOP WIDTH="13%">     <center><font face="Arial,Helvetica"><font size=-1>308.03</font></font></center> </td>  <td VALIGN=TOP WIDTH="14%">     <center><font face="Arial,Helvetica"><font size=-1>20.72</font></font></center> </td>  <td VALIGN=TOP WIDTH="16%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>6.2</font></font></center> </td> </tr> </table> <font face="Arial,Helvetica"><font size=-1>Grados de libertad = 4; probabilidad &lt; 0.01</font></font>     <br><font size=-1></font>&nbsp;<font size=-1></font>     <p><font face="Arial,Helvetica"><font size=-1><b>Mortalidad y reclutamiento de los nidos:</b> La mortalidad de nidos es alta, (69.64%) 60 nidos murieron en un intervalo de cinco meses entre el primer y segundo censo, (26.54%) 28 en un intervalo de siete meses entre el segundo y tercero, y (13.36%) 11 en un intervalo de cinco meses entre el tercero y el cuarto. Los an&aacute;lisis muestran que el n&uacute;mero de nidos vecinos entre 0-10 m o entre 10-20 m de distancia influyen en la sobrevivencia, mientras m&aacute;s vecinos hay a esa distancia, mayor es la probabilidad de mortalidad para los nidos; sin embargo, el n&uacute;mero de nidos vecinos entre 20-30 m y 30-40 m no influyen en la sobrevivencia (<a href="#fig2">Fig. 2</a>). Hubo (24.34%) 19 reclutas (nidos nuevos de la hormiga) entre el primer y segundo censo, (31.72%) 34 entre el segundo y tercero, y (22.63%) 19 entre el tercero y el cuarto.</font></font>     <br><font size=-1></font>&nbsp;     <br><font size=-1></font>&nbsp;     <br><font size=-1></font>&nbsp;<font size=-1></font>     <p><a NAME="fig2"></a><img SRC="/img/fbpe/rbt/v47n4/0396i2.GIF" height=528 width=671>     
<br><font size=-1></font>&nbsp;     <br><font size=-1></font>&nbsp;<font size=-1></font>     <p><font face="Arial,Helvetica"><font size=-1><b>Asociaci&oacute;n de nidos con plantas:</b> Los nidos estaban en la base de 84 especies de plantas, en 34 familias con cuatro categor&iacute;as de forma de vida: 76 especies eran &aacute;rboles, 5 especies eran arbustos, 2 especies eran palmas y 1 era liana (<a href="#CUADRO3">Cuadro 3</a>). Solamente 8 especies (9.52% del total) tuvieron nectarios extraflorales, y no se encontr&oacute; asociaci&oacute;n entre tales especies y <i>P</i>. <i>clavata</i> (X2=0.000886; P&lt;0.976). Utilizando todos los censos juntos 8 especies de plantas estuvieron asociadas positivamente con los nidos de <i>P</i>. <i>clavata</i> (<a href="#CUADRO4">Cuadro 4</a>); y 3 especies presentaron asociaci&oacute;n negativa con los nidos (<a href="#CUADRO5">Cuadro 5</a>). En el an&aacute;lisis en conjunto de las especies de plantas menos comunes en la parcela (menos de 800 individuos), el grupo de arbustos ten&iacute;an significativamente menor cantidad de nidos de <i>P</i>. <i>clavata</i> que lo esperado basado en su abundancia colectiva en la parcela (X2=5.0801; P&lt;0.050), mientras que el grupo de &aacute;rboles grandes ten&iacute;an significativamente m&aacute;s nidos que lo esperado (X2=123.2641; P&lt;0.005). Plantas entre 8 y 63.9 cm en tama&ntilde;o de DAP son las que <i>P</i>. <i>clavata</i> utiliza con mayor frecuencia para establecer los nidos (<a href="#CUADRO6">Cuadro 6</a>). Utilizando s&oacute;lo los &aacute;rboles dentro de esta clase de tama&ntilde;o, 5 especies de plantas resultaron positivamente asociadas con los nidos: <i>Oenocarpus mapora</i> (X2=108.3002; P&lt;0.005), <i>Virola surinamensis</i> (X2=20.6851; P&lt;0.005), <i>Tabernaemontana arborea</i> (X2=14.8250; P&lt;0.005), <i>Protium tenuifolium</i> (X2=11.5081; P&lt;0.005) y <i>Cecropia insignis</i> (X2=7.1800; P&lt;0.010); y <i>Faramea occidentalis</i> (X2=10.8537; P&lt;0.005) present&oacute; asociaci&oacute;n negativa con los nidos; pero esta planta cae en los l&iacute;mites inferiores de tama&ntilde;o dentro de la clase.</font></font>     ]]></body>
<body><![CDATA[<br><font size=-1></font>&nbsp;     <p>    <br><font size=-1></font>     <br><font size=-1></font>     <center>     <p><a NAME="CUADRO3"></a><font face="Arial,Helvetica"><font size=-1>CUADRO 3</font></font></center> <font size=-1></font>     <p><font face="Arial,Helvetica"><font size=-1>Especies y familias de plantas con nidos de Paraponera clavata en la parcela de cincuenta hect&aacute;reas de la isla de Barro Colorado. Se muestran tambi&eacute;n las especies que tuvieron nectarios extraflorales (+) y la cantidad de individuos de plantas con contrafuertes.</font></font><font size=-1></font>     <p><font face="Arial,Helvetica"><font size=-1>Plant species and family with Paraponera clavata nests in Barro Colorado Island 50 ha plot. Species with extra-floral nectaries and the number of trees with buttresses are also shown.</font></font>     <br><font size=-1></font>&nbsp; <table BORDER=0 CELLSPACING=0 CELLPADDING=5 WIDTH="747" > <tr> <td VALIGN=TOP WIDTH="29%">     <center><font face="Arial,Helvetica"><font size=-1>Especies</font></font></center> </td>  <td VALIGN=TOP WIDTH="21%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>Familia</font></font></center> </td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Forma de vida</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>N&uacute;mero de nidos</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>Con nectarios</font></font></center> </td>  <td VALIGN=TOP WIDTH="17%">     <center><font face="Arial,Helvetica"><font size=-1>Con contrafuertes</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="10%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="11%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Alchornea costaricensis</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Euphorbiaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>+</font></font></center> </td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Alseis blackiana</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Rubiaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>14</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>2</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Apeiba membranacea</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Tiliaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>2</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Aspidosperma cruenta</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Apocynaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>2</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Beilschmiedia pendula</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Lauraceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>8</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%">     <center><font face="Arial,Helvetica"><font size=-1>6</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Calophyllum longifolium</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Guttiferae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Capparis frondosa</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Capparidaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>Arbusto</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Cecropia insignis</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Moraceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>7</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%">     <center><font face="Arial,Helvetica"><font size=-1>3</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Ceiba pentandra</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Bombacaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>4</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%">     <center><font face="Arial,Helvetica"><font size=-1>4</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Chrysophyllum argenteum</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Sapotaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Cordia alliodora</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Boraginaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>2</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Cordia bicolor</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Boraginaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>2</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Cordia lasiocalyx</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Boraginaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr> </table> <font size=-1></font> <table BORDER=0 CELLSPACING=0 CELLPADDING=5 WIDTH="747" > <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Croton billbergianus</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Euphorbiaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>+</font></font></center> </td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Cupania latifolia</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Sapindaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Cupania sylvatica</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Sapindaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>4</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Dendropanax stenodontus</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Araliaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Desmopsis panamensis</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Annonaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbusto</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>2</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Diospyros arthantifolia</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Ebenaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Drypetes standleyi</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Euphorbiaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>2</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Entada monostachya *</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Leguminosae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Liana</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Eugenia galalonensis</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Myrtaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>2</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Faramea occidentalis</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Rubiaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>23</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Ficus obtusifolia</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Moraceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Ficus tonduzii</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Moraceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Garcinia intermedia</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Guttiferae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>2</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Guapira standleyanum</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Nyctaginaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>2</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Guarea guidonia</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Meliaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>7</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Guarea sp.</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Meliaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>3</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Guettarda foliacea</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Rubiaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>2</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Gustavia superba</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Lecythidaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>3</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Hasseltia floribunda</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Flacourtiaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>2</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>+</font></font></center> </td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Heisteria concinna</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Olacaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>2</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr> </table> <font size=-1></font> <table BORDER=0 CELLSPACING=0 CELLPADDING=5 WIDTH="749" > <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Hirtella triandra</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Chrysobalanaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>9</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Hybanthus prunifolius</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Violaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbusto</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>5</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Inga quaternata</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Leguminosae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>+</font></font></center> </td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Inga ruiziana</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Leguminosae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>+</font></font></center> </td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Inga sapindoides</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Leguminosae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>+</font></font></center> </td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Jacaranda copaia</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Bignoniaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>4</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Laetia thamnia</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Flacourtiaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Licania hypoleuca</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Chrysobalanaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Lonchocarpus latifolius</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Leguminosae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Luehea seemannii</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Tiliaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Macrocnemum glabrescens</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Rubiaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Maquira costaricana</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Moraceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Nectandra cissiflora</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Lauraceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Nectandra globosa</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Lauraceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Nectandra purpurea</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Lauraceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Ocotea withei</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Lauraceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>5</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%">     <center><font face="Arial,Helvetica"><font size=-1>3</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Oenocarpus mapora</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Palmae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Palma</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>51</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Piper reticulatum</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Piperaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>Arbusto</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Perebea xanthochyma</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Moraceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Poulsenia armata</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Moraceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>8</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%">     <center><font face="Arial,Helvetica"><font size=-1>6</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Pouteria reticulata</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Sapotaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>4</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%">     <center><font face="Arial,Helvetica"><font size=-1>2</font></font></center> </td> </tr> </table> <font size=-1></font> <table BORDER=0 CELLSPACING=0 CELLPADDING=5 WIDTH="749" > <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Prioria copaifera</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Leguminosae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Protium costaricensis</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Burseraceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>4</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Protium tenuifolium</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Burseraceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>11</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Psychotria horizontalis</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Rubiaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbusto</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Pterocarpus rorhii</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Leguminosae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Quararibea asterolepis</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Bombacaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>2</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%">     <center><font face="Arial,Helvetica"><font size=-1>2</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Randia armata</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Rubiaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Sapium aucuparium</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Euphorbiaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>+</font></font></center> </td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Siparuna pauciflora</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Monimiaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Socratea exorrhiza</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Palmae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Palma</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Spachea membranacea</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Malpighiaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>+</font></font></center> </td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Spondias radlkoferi</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Anacardiaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Symphonia globulifera</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Guttiferae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Tabebuia rosea</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Bignoniaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Tabernaemontana arborea</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Apocynaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>10</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Tachigalia versicolor</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Leguminosae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>2</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Terminalia amazonica</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Combretaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Tetrathylacium johanseni</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Flacourtiaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Tetragastris panamensis</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Burseraceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>5</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Trattinnickia aspera</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Burseraceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr> </table> <font size=-1></font> <table BORDER=0 CELLSPACING=0 CELLPADDING=5 WIDTH="749" > <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Trichilia pallida</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Meliaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Trichilia tuberculata</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Meliaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>23</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%">     <center><font face="Arial,Helvetica"><font size=-1>2</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Virola sebifera</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Myristicaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>8</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Virola surinamensis</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Myristicaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>7</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%">     <center><font face="Arial,Helvetica"><font size=-1>5</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Virola sp.</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Myristicaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>2</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%">     <center><font face="Arial,Helvetica"><font size=-1>2</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Xylopia macrantha</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Annonaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>2</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Zanthoxylum belizense</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Rutaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Zanthoxylum panamense</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Rutaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>3</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Zanthoxylum procerum</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>Rutaceae</font></font></td>  <td VALIGN=TOP WIDTH="10%">     <center><font face="Arial,Helvetica"><font size=-1>Arbol</font></font></center> </td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>3</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="17%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="29%"><font face="Arial,Helvetica"><font size=-1>Total = 84</font></font></td>  <td VALIGN=TOP WIDTH="21%"><font face="Arial,Helvetica"><font size=-1>34</font></font></td>  <td VALIGN=TOP WIDTH="10%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="11%">     <center><font face="Arial,Helvetica"><font size=-1>308</font></font></center> </td>  <td VALIGN=TOP WIDTH="12%">     <center><font face="Arial,Helvetica"><font size=-1>8</font></font></center> </td>  <td VALIGN=TOP WIDTH="17%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>46</font></font></center> </td> </tr> </table> <font face="Arial,Helvetica"><font size=-1>Nota: * se elimin&oacute; en algunas de las calculaciones, debido a que no se tienen datos de lianas en la parcela.</font></font><font size=-1></font>     <p>    <br><font size=-1></font>     <br><font size=-1></font>     <center>     <p><a NAME="CUADRO4"></a><font face="Arial,Helvetica"><font size=-1>CUADRO 4</font></font></center> <font size=-1></font>     <p><font face="Arial,Helvetica"><font size=-1>Especies de plantas asociadas positivamente con los nidos de Paraponera clavata en la parcela de cincuenta hect&aacute;reas de la isla de Barro Colorado.</font></font><font size=-1></font>     <p><font face="Arial,Helvetica"><font size=-1>Plants species positively associated with Paraponera clavata nests in the Barro Colorado Island 50 ha plot.</font></font>     <br><font size=-1></font>&nbsp;     <center><table BORDER=0 CELLSPACING=0 CELLPADDING=5 WIDTH="569" > <tr> <td VALIGN=TOP WIDTH="40%"><font face="Arial,Helvetica"><font size=-1>Especies</font></font></td>  <td VALIGN=TOP WIDTH="33%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>N&uacute;mero de nidos</font></font></center> </td>  <td VALIGN=TOP WIDTH="27%">     <center><font face="Arial,Helvetica"><font size=-1>Chi-cuadrado</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="40%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="33%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="27%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="40%"><font face="Arial,Helvetica"><font size=-1>Oenocarpus mapora</font></font></td>  <td VALIGN=TOP WIDTH="33%">     <center><font face="Arial,Helvetica"><font size=-1>51</font></font></center> </td>  <td VALIGN=TOP WIDTH="27%">     <center><font face="Arial,Helvetica"><font size=-1>1044.09**</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="40%"><font face="Arial,Helvetica"><font size=-1>Tabernaemontana arborea</font></font></td>  <td VALIGN=TOP WIDTH="33%">     <center><font face="Arial,Helvetica"><font size=-1>10</font></font></center> </td>  <td VALIGN=TOP WIDTH="27%">     <center><font face="Arial,Helvetica"><font size=-1>33.41**</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="40%"><font face="Arial,Helvetica"><font size=-1>Protium tenuifolium</font></font></td>  <td VALIGN=TOP WIDTH="33%">     <center><font face="Arial,Helvetica"><font size=-1>11</font></font></center> </td>  <td VALIGN=TOP WIDTH="27%">     <center><font face="Arial,Helvetica"><font size=-1>11.54**</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="40%"><font face="Arial,Helvetica"><font size=-1>Virola sebifera</font></font></td>  <td VALIGN=TOP WIDTH="33%">     <center><font face="Arial,Helvetica"><font size=-1>8</font></font></center> </td>  <td VALIGN=TOP WIDTH="27%">     <center><font face="Arial,Helvetica"><font size=-1>9.14**</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="40%"><font face="Arial,Helvetica"><font size=-1>Poulsenia armata</font></font></td>  <td VALIGN=TOP WIDTH="33%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>8</font></font></center> </td>  <td VALIGN=TOP WIDTH="27%">     <center><font face="Arial,Helvetica"><font size=-1>8.81**</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="40%"><font face="Arial,Helvetica"><font size=-1>Guarea guidonia</font></font></td>  <td VALIGN=TOP WIDTH="33%">     <center><font face="Arial,Helvetica"><font size=-1>7</font></font></center> </td>  <td VALIGN=TOP WIDTH="27%">     <center><font face="Arial,Helvetica"><font size=-1>6.63*</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="40%"><font face="Arial,Helvetica"><font size=-1>Protium costaricensis</font></font></td>  <td VALIGN=TOP WIDTH="33%">     <center><font face="Arial,Helvetica"><font size=-1>4</font></font></center> </td>  <td VALIGN=TOP WIDTH="27%">     <center><font face="Arial,Helvetica"><font size=-1>5.30*</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="40%"><font face="Arial,Helvetica"><font size=-1>Beilschmiedia pendula</font></font></td>  <td VALIGN=TOP WIDTH="33%">     <center><font face="Arial,Helvetica"><font size=-1>8</font></font></center> </td>  <td VALIGN=TOP WIDTH="27%">     <center><font face="Arial,Helvetica"><font size=-1>4.79*</font></font></center> </td> </tr> </table></center> <font face="Arial,Helvetica"><font size=-1>Grados de libertad = 1; ** probabilidad &lt; 0.005; * probabilidad &lt; 0.050</font></font><font size=-1></font>     <p>    <br><font size=-1></font>     ]]></body>
<body><![CDATA[<br><font size=-1></font>     <center>     <p><a NAME="CUADRO5"></a><font face="Arial,Helvetica"><font size=-1>CUADRO 5</font></font></center> <font size=-1></font>     <p><font face="Arial,Helvetica"><font size=-1>Especies de plantas asociadas negativamente con los nidos de Paraponera clavata en la parcela de cincuenta hect&aacute;reas de la isla de Barro Colorado.</font></font><font size=-1></font>     <p><font face="Arial,Helvetica"><font size=-1>Plant species negatively associated with Paraponera clavata nests in the Barro Colorado Island 50 ha plot.</font></font> <table BORDER=0 CELLSPACING=0 CELLPADDING=5 WIDTH="588" > <tr> <td VALIGN=TOP WIDTH="39%"><font face="Arial,Helvetica"><font size=-1>Especies</font></font></td>  <td VALIGN=TOP WIDTH="31%">     <center><font face="Arial,Helvetica"><font size=-1>N&uacute;mero de nidos</font></font></center> </td>  <td VALIGN=TOP WIDTH="31%">     <center><font face="Arial,Helvetica"><font size=-1>Chi-cuadrado</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="39%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="31%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="31%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="39%"><font face="Arial,Helvetica"><font size=-1>Hybanthus prunifolius</font></font></td>  <td VALIGN=TOP WIDTH="31%">     <center><font face="Arial,Helvetica"><font size=-1>5</font></font></center> </td>  <td VALIGN=TOP WIDTH="31%">     <center><font face="Arial,Helvetica"><font size=-1>48.59**</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="39%"><font face="Arial,Helvetica"><font size=-1>Desmopsis panamensis</font></font></td>  <td VALIGN=TOP WIDTH="31%">     <center><font face="Arial,Helvetica"><font size=-1>2</font></font></center> </td>  <td VALIGN=TOP WIDTH="31%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>11.26**</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="39%"><font face="Arial,Helvetica"><font size=-1>Psychotria horizontalis</font></font></td>  <td VALIGN=TOP WIDTH="31%">     <center><font face="Arial,Helvetica"><font size=-1>1</font></font></center> </td>  <td VALIGN=TOP WIDTH="31%">     <center><font face="Arial,Helvetica"><font size=-1>4.86*</font></font></center> </td> </tr> </table> <font face="Arial,Helvetica"><font size=-1>Grados de libertad = 1; ** probabilidad &lt; 0.005; * probabilidad &lt; 0.050</font></font>     <br><font size=-1></font>&nbsp;     <br><font size=-1></font>&nbsp;     <br><font size=-1></font>     <center>     <p><a NAME="CUADRO6"></a><font face="Arial,Helvetica"><font size=-1>CUADRO 6</font></font></center> <font size=-1></font>     <p><font face="Arial,Helvetica"><font size=-1>Distribuci&oacute;n observada y esperada de las clases de tama&ntilde;os de plantas usadas por Paraponera clavata para fabricar sus nidos.</font></font><font size=-1></font>     <p><font face="Arial,Helvetica"><font size=-1>Observed and expected distribution by diameter size classes of the plants used by Paraponera clavata to build their nests.</font></font>     ]]></body>
<body><![CDATA[<br><font size=-1></font>&nbsp;     <center><table BORDER=0 CELLSPACING=0 CELLPADDING=5 WIDTH="576" > <tr> <td VALIGN=TOP WIDTH="33%">     <center><font face="Arial,Helvetica"><font size=-1>Clases de tama&ntilde;os de DAP en (cm)</font></font></center> </td>  <td VALIGN=TOP WIDTH="33%">     <center><font face="Arial,Helvetica"><font size=-1>Nidos observados</font></font></center> </td>  <td VALIGN=TOP WIDTH="33%">     <center><font face="Arial,Helvetica"><font size=-1>Nidos esperados</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="33%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="33%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td>  <td VALIGN=TOP WIDTH="33%"><font face="Arial,Helvetica"><font size=-1>&nbsp;</font></font></td> </tr>  <tr> <td VALIGN=TOP WIDTH="33%">     <center><font face="Arial,Helvetica"><font size=-1>1-1.9</font></font></center> </td>  <td VALIGN=TOP WIDTH="33%">     <center><font face="Arial,Helvetica"><font size=-1>9</font></font></center> </td>  <td VALIGN=TOP WIDTH="33%">     <center><font face="Arial,Helvetica"><font size=-1>119.48</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="33%">     <center><font face="Arial,Helvetica"><font size=-1>2-3.9</font></font></center> </td>  <td VALIGN=TOP WIDTH="33%">     <center><font face="Arial,Helvetica"><font size=-1>10</font></font></center> </td>  <td VALIGN=TOP WIDTH="33%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>100.67</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="33%">     <center><font face="Arial,Helvetica"><font size=-1>4-7.9</font></font></center> </td>  <td VALIGN=TOP WIDTH="33%">     <center><font face="Arial,Helvetica"><font size=-1>28</font></font></center> </td>  <td VALIGN=TOP WIDTH="33%">     <center><font face="Arial,Helvetica"><font size=-1>49.8</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="33%">     <center><font face="Arial,Helvetica"><font size=-1>8-15.9</font></font></center> </td>  <td VALIGN=TOP WIDTH="33%">     <center><font face="Arial,Helvetica"><font size=-1>68</font></font></center> </td>  <td VALIGN=TOP WIDTH="33%">     <center><font face="Arial,Helvetica"><font size=-1>22.56</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="33%">     <center><font face="Arial,Helvetica"><font size=-1>16-31.9</font></font></center> </td>  <td VALIGN=TOP WIDTH="33%">     <center><font face="Arial,Helvetica"><font size=-1>122</font></font></center> </td>  <td VALIGN=TOP WIDTH="33%">     <center><font face="Arial,Helvetica"><font size=-1>9.73</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="33%">     ]]></body>
<body><![CDATA[<center><font face="Arial,Helvetica"><font size=-1>32-63.9</font></font></center> </td>  <td VALIGN=TOP WIDTH="33%">     <center><font face="Arial,Helvetica"><font size=-1>57</font></font></center> </td>  <td VALIGN=TOP WIDTH="33%">     <center><font face="Arial,Helvetica"><font size=-1>3.84</font></font></center> </td> </tr>  <tr> <td VALIGN=TOP WIDTH="33%">     <center><font face="Arial,Helvetica"><font size=-1>64 &lt;</font></font></center> </td>  <td VALIGN=TOP WIDTH="33%">     <center><font face="Arial,Helvetica"><font size=-1>13</font></font></center> </td>  <td VALIGN=TOP WIDTH="33%">     <center><font face="Arial,Helvetica"><font size=-1>0.92</font></font></center> </td> </tr> </table></center> <font size=-1></font><font size=-1></font>     <p><font face="Arial,Helvetica"><font size=-1><b>Interacci&oacute;n con otros animales:</b> De los 308 nidos que censamos (53%) 163 ten&iacute;an el amblip&iacute;gido <i>Phrynus gervaisii</i> (Pocock) (Amblypygi: Phrynidae) habitando en su interior. Se realizaron an&aacute;lisis de mortalidad tomando como base la presencia del amblip&iacute;gido en los nidos registrados en el primer censo, y cu&aacute;ntos de ellos hab&iacute;an muerto para el cuarto censo. Los resultados muestran que los nidos donde hab&iacute;an amblip&iacute;gidos ten&iacute;an una menor tasa de mortalidad (17%), en comparaci&oacute;n con aquellos donde no hubo amblip&iacute;gidos (61%).</font></font><font size=-1></font>     <p>    <br><font size=-1></font>     <p><b><font face="Arial,Helvetica"><font size=-1>Discusi&oacute;n</font></font></b><font size=-1></font>     ]]></body>
<body><![CDATA[<p><font face="Arial,Helvetica"><font size=-1>Distribuci&oacute;n de los nidos: La densidad era de 6.2 nidos con hormigas por hect&aacute;rea, un poco diferente a 4.34 nidos por hect&aacute;rea encontrados por <a href="#Thurber">Thurber <i>et al</i>. (1993)</a>, y 4.0 nidos por hect&aacute;rea en 3.5 hect&aacute;reas (<a href="#Breed">Breed y Bennett 1985</a>) en Costa Rica. Los c&aacute;lculos del &iacute;ndice de Morisita (<a href="#CUADRO1">Cuadro 1</a>) en donde calculamos el &iacute;ndice para cada uno de los censos, muestran que los nidos no estaban distribuidos aleatoriamente, sino uniformemente, guardando cierta distancia uno del otro, esta condici&oacute;n ocurri&oacute; cuando el &iacute;ndice era menor de 1 y se mantuvo a trav&eacute;s de todos los censos. Esto nos indica que las colonias de <i>P. clavata</i> compiten por el territorio. Sin embargo, el &iacute;ndice aumenta con el tama&ntilde;o de los cuadrantes, hasta llegar a un &iacute;ndice mayor de 1, &eacute;sto ocurri&oacute; en &aacute;reas mayores que 250x250 m, en la cual la uniformidad se hace difusa, si la comparamos con cuadrantes m&aacute;s peque&ntilde;os.</font></font><font size=-1></font>     <p><font face="Arial,Helvetica"><font size=-1>Los nidos se asociaban de manera significativa con el tipo de h&aacute;bitat y encontramos que exist&iacute;an m&aacute;s nidos de los esperados en las planicies altas y en la secci&oacute;n de bosque joven de la parcela. En lugares altos y planos los nidos se protegen mejor de las lluvias, ya que el agua fluye por escorrent&iacute;a desde estos sitios hasta la base de las pendientes, en donde los nidos pueden ser afectados por las inundaciones. La escasa cantidad de nidos en el &aacute;rea del pantano (<a href="#CUADRO2">Cuadro 2</a>), que permanece inundado durante gran parte de la estaci&oacute;n lluviosa, es una buena evidencia de lo mencionado anteriormente. Tambi&eacute;n exist&iacute;an m&aacute;s nidos de los esperados en la secci&oacute;n de bosque joven, en el borde nororiental de la parcela. En este &aacute;rea exist&iacute;an muchas lianas que la hormiga emplea para ir a muchos lugares en busca de alimento (<a href="#McCluskey">McCluskey y Brown 1972</a>, <a href="#Hermann">Hermann 1975</a>). <a href="#Belk">Belk <i>et al</i>. (1989)</a>, reporta la presencia de nidos en la base de lianas, pero no se&ntilde;ala en cuales especies se encontraban. El &uacute;nico nido encontrado por nosotros en la base de una liana estaba en <i>Entada monostachya</i> (Leguminosae), que es la liana m&aacute;s grande que alcanza el dosel del bosque en la isla de Barro Colorado (<a href="#Croat">Croat 1978</a>), y que se extiende en gran parte de la regi&oacute;n del bosque joven de la parcela. Tambi&eacute;n existe en esta secci&oacute;n de la parcela una alta densidad de &aacute;rboles de <i>Gustavia superba</i> (Lecythidaceae). En reiteradas ocasiones se observ&oacute; los individuos de <i>P</i>. <i>clavata</i> recolectando n&eacute;ctar en las flores de esta planta, y en una ocasi&oacute;n en las flores de la liana <i>Clitoria javitensis</i> (Leguminosae).</font></font><font size=-1></font>     <p><font face="Arial,Helvetica"><font size=-1>Mortalidad y reclutamiento de los nidos: Los an&aacute;lisis se&ntilde;alan que la mortalidad era m&aacute;s alta en aquellos nidos que tienen un mayor n&uacute;mero de vecinos entre 0-10 m y entre 10-20 m de distancia, mientras que vecinos a m&aacute;s de 20 m no parecen influir en la mortalidad de los nidos. <a href="#Thurber">Thurber <i>et al</i>. (1993)</a>, se&ntilde;ala que la agresi&oacute;n entre colonias vecinas es una de las principales causas de mortalidad de <i>P</i>. <i>clavata</i>. En nuestro caso esto suele ocurrir con frecuencia en las planicies altas y en la secci&oacute;n de bosque joven de la parcela, en donde existe una mayor densidad de nidos y las hormigas compiten por el territorio (<a href="#fig2">Fig. 2</a>). En varias ocasiones observamos el enfrentamiento entre colonias vecinas, durante el combate, muchas obreras salen de los nidos cargando larvas y capullos, y sobre ellas vuelan moscas par&aacute;sitas de <i>Apocephalus paraponerae</i> (Diptera: Phoridae) que parasitan las obreras heridas de <i>P</i>.<i> clavata</i> (<a href="#Brown">Brown y Feener 1991</a>). Esto provoca cambios en el comportamiento normal de la hormiga, pero no se sabe hasta qu&eacute; punto puede afectar o contribuir con la mortalidad de los nidos. Muchos nidos murieron entre el primer y segundo censo (septiembre 1993-febrero 1994), septiembre, octubre y noviembre son los meses de mayor precipitaci&oacute;n en la isla (<a href="#Windsor">Windsor <i>et al</i>. 1990</a>), lo cual posiblemente afecta el establecimiento y mortalidad de los nidos. Sugerimos realizar estudios m&aacute;s detallados al respecto. Hubo un mayor n&uacute;mero de reclutas o nidos que aparecieron entre el segundo y tercer censo (febrero 1994-septiembre 1994), finales de la estaci&oacute;n seca y comienzo de la lluviosa. <a href="#Foster">Foster (1990)</a>, se&ntilde;ala que existe un pico de floraci&oacute;n en la isla poco despu&eacute;s de iniciarse la estaci&oacute;n lluviosa, el cual coincide con la abundancia m&aacute;xima de insectos. Los &aacute;rboles maduros producen flores y n&eacute;ctar, lo cual atrae a su vez muchos insectos polinizadores. Estas son fuentes de alimento para <i>P</i>. <i>clavata</i>. Una mayor disponibilidad de alimento probablemente puede explicar mucho sobre la actividad y la aparici&oacute;n de nidos nuevos de estas hormigas. En reiteradas ocasiones se observaron en los nidos formas reproductivas (hembras y machos alados) entre julio y noviembre. <a href="#Wilson">Wilson (1971)</a>, establece que para que aparezcan las formas aladas en una colonia de hormigas &eacute;sta debe contar con un suplemento de alimento adecuado, debido a que la demanda energ&eacute;tica aumenta.</font></font><font size=-1></font>     <p><font face="Arial,Helvetica"><font size=-1><b>Asociaci&oacute;n de nidos con plantas: </b>Se encontr&oacute; un gran n&uacute;mero de especies de plantas empleadas por <i>P</i>. <i>clavata</i> para fabricar sus nidos. Sin embargo, el gran n&uacute;mero, 84 especies de 34 familias de plantas, nos sugiere que existe muy poca selecci&oacute;n de la hormiga por las especies de plantas que selecciona para fabricar sus nidos. Del total de plantas con nidos, s&oacute;lo 8 especies (9.52%) presentaron nectarios extraflorales, muy diferente de 23% encontrado por <a href="#Belk">Belk <i>et al</i>. (1989)</a> en un estudio similar; sin embargo estos autores presentan en su listado de &aacute;rboles con nectarios plantas que carecen de ellos como: <i>Ceiba pentandra</i> (Bombacaceae), <i>Ouratea lucens </i>(Ochnaceae), <i>Hirtella triandra </i>(Chrysobalanaceae), <i>Gustavia superba</i> (Lecythidaceae), <i>Simarouba amara </i>(Simaroubaceae), <i>Terminalia amazonia</i> (Combretaceae), <i>Guarea guidonia</i>, <i>Guarea</i> sp. y <i>Trichilia tuberculata</i> (Meliaceae). <a href="#Breed">Breed y Bennett (1985)</a>, se&ntilde;alan una asociaci&oacute;n positiva entre <i>P</i>. <i>clavata</i> y <i>Pentaclethra macroloba </i>(Leguminosae), un &aacute;rbol grande con nectarios extraflorales muy com&uacute;n en la estaci&oacute;n La Selva en Costa Rica, el cual no existe en la isla de Barro Colorado. En la parcela de cincuenta hect&aacute;reas de la isla existen alrededor de 28 especies (2.73 % del total de individuos), que son &aacute;rboles grandes que tienen nectarios y pueden ser una buena alternativa para la hormiga. Un buen ejemplo lo constituye el g&eacute;nero <i>Inga</i> (Leguminosae), que tiene en la parcela 14 especies (1.72% del total de individuos). Sin embargo, s&oacute;lo 3 especies de <i>Inga</i>, con 1 individuo cada una, tuvieron nidos, y no se encontr&oacute; asociaci&oacute;n entre tales especies y <i>P</i>. <i>clavata</i>.</font></font><font size=-1></font>     <p><font face="Arial,Helvetica"><font size=-1>Todas las especies de plantas asociadas positivamente con los nidos de <i>P</i>. <i>clavata</i> son &aacute;rboles del dosel medio y alto, y los que presentan asociaci&oacute;n negativa son arbustos peque&ntilde;os. <i>Oenocarpus mapora</i> (Palmae), una palma del dosel medio que tiene 0.73% del total de individuos en la parcela (Cuadros<a href="#CUADRO3"> 3</a> y<a href="#CUADRO4"> 4</a>), es la planta de mayor asociaci&oacute;n con los nidos de <i>P</i>. <i>clavata</i>. Los individuos de <i>O</i>. <i>mapora</i> crecen en peque&ntilde;os grupos condensados (clones) (<a href="#Croat">Croat, 1978</a>), cada grupo est&aacute; compuesto de 5 a 15 tallos, que se entrelazan con otros &aacute;rboles y lianas que ascienden a distintos niveles del dosel, lo cual favorece que la hormiga pueda salir a muchos lugares en busca de alimento. Las numerosas hojas de esta planta, conjuntamente con su sistema radical, que se encuentra ligeramente elevado de la superficie del suelo, deben proteger mejor los nidos de <i>P</i>. <i>clavata</i> de las lluvias, las inundaciones y los mantienen ocultos de los depredadores. Adem&aacute;s, los nidos establecidos en la base de estas palmas permanecen en un lugar h&uacute;medo y sombreado, y quiz&aacute;s pueden soportar mejor las altas temperaturas de la estaci&oacute;n seca.</font></font><font size=-1></font>     <p><font face="Arial,Helvetica"><font size=-1>Las hormigas prefirieron plantas entre 8 y 63.9 cm de DAP (<a href="#CUADRO6">Cuadro 6</a>), esto posiblemente es una evidencia de asociaci&oacute;n entre estas plantas y los nidos. En la parcela existen 11.51% del total de individuos de plantas entre estas clases de tama&ntilde;o de DAP, y en ellas registramos 242 nidos (78.8% del total). La menor cantidad de nidos 21.7%, la encontramos en plantas que presentaban un DAP entre 1 y 7.9 cm o por encima de 64 cm (<a href="#CUADRO6">Cuadro 6</a>). La mayor&iacute;a de las plantas de la parcela (88.48% del total de individuos) se encuentran en los di&aacute;metros se&ntilde;alados, y en ellas encontramos la menor cantidad de nidos. En las plantas entre 8 y 63.9 cm de DAP: <i>Oenocarpus mapora</i>, <i>Virola surinamensis</i>, <i>Tabernaemontana arborea</i> y <i>Protium tenuifolium</i>, se encontraron asociadas con los nidos de <i>P</i>. <i>clavata</i>, lo cual coincide con los resultados del (<a href="#CUADRO4">Cuadro 4</a>). Posiblemente estas plantas son las que ofrecen las mejores oportunidades para el establecimiento de los nidos en la parcela de cincuenta hect&aacute;reas.</font></font><font size=-1></font>     <p><font face="Arial,Helvetica"><font size=-1>Los resultados obtenidos se&ntilde;alan que existe una asociaci&oacute;n entre los nidos de la hormiga y las plantas. Sin embargo, hemos observado recientemente algunos &aacute;rboles que tuvieron nido en el pasado que est&aacute;n muertos y otros que caen vivos desde su base, esto nos sugiere que los nidos de esta hormiga pueden ocasionar da&ntilde;os a las plantas a largo plazo.</font></font><font size=-1></font>     <p><font face="Arial,Helvetica"><font size=-1><b>Interacci&oacute;n con otros animales:</b> Muchos insectos y otros animales habitan en los nidos de las hormigas y entre ellos hay depredadores, par&aacute;sitos, hu&eacute;spedes indiferentes y hu&eacute;spedes verdaderos (<a href="#Holldobler90b">Holldobler y Wilson 1990b</a>). <i>P. gervaisii</i> es un inquilino oportunista de los nidos de <i>P. clavata</i> (<a href="#LeClerc">LeClerc <i>et al</i>. 1987</a>). Pareciera ser que <i>P</i>. <i>gervaisii</i> reconoce los nidos de <i>P</i>. <i>clavata</i> que se encuentran m&aacute;s adaptados para sobrevivir y los emplea como un refugio durante un per&iacute;odo prolongado de tiempo. El amblip&iacute;gido emerge del nido junto con las obreras de <i>P. clavata</i> al perturbar el nido, y por lo general, su presencia parece pasar inadvertida por las obreras. S&oacute;lo observamos a las hormigas atacarlo en una ocasi&oacute;n. Durante el combate una obrera introdujo el aguij&oacute;n varias veces en su cuerpo ocasion&aacute;ndole la muerte, y luego lo abandon&oacute; cerca de la entrada del nido. La historia natural de los amblip&iacute;gidos es poco conocida (<a href="#Quintero">Quintero 1981</a>), sin embargo <i>P</i>. <i>gervaisii</i> se encuentra habitando un gran n&uacute;mero de nidos de <i>P. clavata</i> y se reproduce dentro de los nidos entre julio y octubre, y en muy pocas ocasiones en marzo; por lo que resultar&iacute;a interesante estudiar si existe una posible asociaci&oacute;n.</font></font><font size=-1></font>     <p><font face="Arial,Helvetica"><font size=-1>Se demuestra muchas de las caracter&iacute;sticas importantes de la distribuci&oacute;n, mortalidad y asociaci&oacute;n con plantas, de los nidos de la hormiga tropical <i>Paraponera clavata</i> en una parcela de cincuenta hect&aacute;reas de bosque viejo en la isla de Barro Colorado, Panam&aacute;. Que las ubicaciones precisas de 308 nidos de la hormiga sean conocidas, provee una base de informaci&oacute;n que puede ser ventajosa para una gran variedad de investigaciones a corto y largo plazo. Esto puede comprender los campos de la ecolog&iacute;a reproductiva, variaciones estacionales, impactos ocasionados por cambios clim&aacute;ticos sobre la poblaci&oacute;n, y las interacciones y asociaciones con otros animales. Tales investigaciones brindar&iacute;an en el futuro las bases para un mejor conocimiento sobre la biolog&iacute;a de la especie.</font></font>     <br><font size=-1></font>&nbsp;<font size=-1></font>     ]]></body>
<body><![CDATA[<p><b><font face="Arial,Helvetica"><font size=-1>Agradecimientos</font></font></b><font face="Arial,Helvetica"><font size=-1></font></font>     <p><font face="Arial,Helvetica"><font size=-1>Agradecemos a Stephen Hubbell y Robin Foster por sus trabajos en el establecimiento de la parcela de cincuenta hect&aacute;reas de la isla de Barro Colorado. A Diomedes Quintero por la identificaci&oacute;n del espec&iacute;men de <i>Phrynus gervaisii</i>. A Ra&uacute;l Rios por facilitarnos informaci&oacute;n de la precipitaci&oacute;n en la isla de Barro Colorado. A Michael Kaspari, Leeanne Alonso y Jonathan Gonz&aacute;lez, por los comentarios sobre el manuscrito. Al Instituto de Investigaciones Tropicales Smithsonian y todo su personal de trabajo en la isla de Barro Colorado, por las facilidades que nos brindaron durante la investigaci&oacute;n.</font></font>     <br><font size=-1></font>&nbsp;<font size=-1></font>     <p><b><font face="Arial,Helvetica"><font size=-1>Resumen</font></font></b><font size=-1></font>     <p><font face="Arial,Helvetica"><font size=-1>Se estudi&oacute; la distribuci&oacute;n, mortalidad, reclutamiento y asociaci&oacute;n con plantas, de 308 nidos de la hormiga neotropical <i>Paraponera clavata</i> en una parcela de cincuenta hect&aacute;reas de bosque viejo en la isla de Barro Colorado entre septiembre de 1993 y febrero de 1995. Los nidos estaban distribuidos uniformemente a trav&eacute;s de toda la parcela, y se asociaban de manera significativa con el tipo de h&aacute;bitat, exist&iacute;an m&aacute;s nidos de los esperados en las planicies altas y en la secci&oacute;n de bosque m&aacute;s joven de la parcela. La densidad promedio era de 6.2 nidos por hect&aacute;rea. Los nidos con un mayor n&uacute;mero de vecinos entre 0 y 20 m de distancia, ten&iacute;an una mayor probabilidad de morir, si se comparaban con aqu&eacute;llos que se encontraban separados por distancias mayores. La mortalidad era entre 13.36 y 69.64% dependiendo del intervalo de censo, y el reclutamiento fue del 22.63 y 31.72%. Los nidos se encontraron en las bases de 84 especies de plantas, en 34 familias con cuatro categor&iacute;as de forma de vida: 76 especies eran &aacute;rboles, 5 especies eran arbustos, 2 especies eran palmas y 1 era liana. Ocho especies de plantas se asociaban positivamente con los nidos de la hormiga. Plantas medianas entre 8 y 63.9 cm de DAP eran las m&aacute;s utilizadas. Arboles y arbustos peque&ntilde;os presentan muy poca asociaci&oacute;n con los nidos. La hormiga no se asocia con &aacute;rboles que tienen nectarios extraflorales. El 53% de los nidos ten&iacute;an a <i>Phrynus gervaisii</i> (Amblypygi: Phrynidae) habitando en el interior. Estos nidos presentaron menores tasas de mortalidad en comparaci&oacute;n con el resto.</font></font>     <br><font size=-1></font>&nbsp;<font size=-1></font>     <p><b><font face="Arial,Helvetica"><font size=-1>Referencias</font></font></b><font size=-1></font>     <!-- ref --><p><a NAME="Barrett"></a><font face="Arial,Helvetica"><font size=-1>Barrett, B.A., C.D. Jorgensen &amp; S.J. Looman. 1985. Foraging recruitment by the giant tropical ant, <i>Paraponera clavata</i> (Hymenoptera: Formicidae). Pan- Pac. Entomol. 61: 334-338.</font></font><font size=-1></font>    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=1169136&pid=S0034-7744199900040000600001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p><a NAME="Belk"></a><font face="Arial,Helvetica"><font size=-1>Belk, M.C., H. L. Black, C. D. Jorgensen, S.P. Hubbell &amp; R.B. Foster. 1989. Nest tree selectivity by the tropical ant <i>Paraponera clavata</i>. 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