<?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>2215-3896</journal-id>
<journal-title><![CDATA[Revista de Ciencias Ambientales]]></journal-title>
<abbrev-journal-title><![CDATA[Ciencias Ambientales]]></abbrev-journal-title>
<issn>2215-3896</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2215-38962020000200190</article-id>
<article-id pub-id-type="doi">10.15359/rca.54-2.11</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Tolerancia ante inundaciones por parte de semillas y plantas de tres especies forestales nativas de América del Sur]]></article-title>
<article-title xml:lang="en"><![CDATA[Floods Tolerance of Seeds and Seedlings of Three Native Forest Species of South America]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Kubota]]></surname>
<given-names><![CDATA[Victoria R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Britez]]></surname>
<given-names><![CDATA[Derlis A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Duete]]></surname>
<given-names><![CDATA[Gabriel N.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Enciso G.]]></surname>
<given-names><![CDATA[Manuel M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[María Lis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guillén]]></surname>
<given-names><![CDATA[Sara B.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional de Asunción  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Paraguay</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional de Asunción Facultad de Ciencias Agrarias ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Paraguay</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional de Asunción Facultad de Ciencias Agrarias ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Paraguay</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Nacional de Asunción  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Paraguay</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad Nacional de Asunción  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Paraguay</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Universidad Nacional de Asunción Facultad de Ciencias Agrarias ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Paraguay</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>54</volume>
<numero>2</numero>
<fpage>190</fpage>
<lpage>200</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S2215-38962020000200190&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S2215-38962020000200190&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S2215-38962020000200190&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  (Introducción): En las últimas décadas, fueron registradas intensas precipitaciones e inundaciones en varios países de América del Sur, afectando los bosques ribereños y de galería. Sin embargo, los conocimientos sobre la tolerancia de las especies forestales a inundaciones aún son escasos. (Objetivo): El objetivo de esta investigación fue evaluar el comportamiento de semillas y plantas de Luehea divaricata Mart., Parapiptadenia rigida (Benth.) Brenan y Guibourtia hymenaeifolia (Moric.) J. Léonard a las inundaciones en condiciones ex situ. (Metodología): Las semillas de las especies seleccionadas fueron sometidas a inmersión en agua durante 7 distintos periodos de tiempo. Luego, las semillas fueron sembradas y se evaluó su porcentaje de germinación y la sobrevivencia de las plantas a los 30 días. (Resultados): La tasa de germinación de L. divaricata se redujo de 45.9 % a 23.1 % durante el ensayo. Una quinta parte de las semillas de esta especie mantuvo el poder germinativo aún con 30 días de inmersión. Sin embargo, P. rigida y G. hymenaeifolia perdieron drásticamente el poder germinativo y de sobrevivencia cuando el periodo de inmersión superó los 5 días. (Conclusiones). La respuesta de las semillas a inmersiones varió entre las especies, L. divaricata fue la que tuvo mayor tolerancia a condiciones de inundación.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  (Introduction): In the last decades, several countries of South America registered intense rainfalls and floods affecting riparian and gallery forests. Yet knowledge of the flooding tolerance of forest species is very limited. (Objective): The aim of this study was to evaluate seeds and seedlings behavior of Luehea divaricata Mart., Parapiptadenia rigida (Benth.) Brenan, and Guibourtia hymenaeifolia (Moric.) J. Léonard subjected to ex situ flooding regimes. (Methods): Seeds of the selected species were immersed in water over 7 different periods. After immersion seeds were sown and their germination percentage and seedlings survival were evaluated for 30 days. (Results): L. divaricata reduced its germination rate during the experiment from 45.9 % to 23.1 %. One fifth of seeds of this species kept the germination capability even after 30 days of the immersion treatment. A visible loss of the germination capability and seedling survival was observed in P. rigida and G. hymenaeifolia when the immersion period exceeded 5 days. (Conclusions): The response of seeds to immersions varied between species, being L. divaricata the species with better tolerance to flooding condition.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Ensayo de inmersión ex situ]]></kwd>
<kwd lng="es"><![CDATA[Guibourtia hymenaeifolia (Moric.) J. Léonard]]></kwd>
<kwd lng="es"><![CDATA[Luehea divaricata Mart.]]></kwd>
<kwd lng="es"><![CDATA[Parapiptadenia rigida (Benth.) Brenan]]></kwd>
<kwd lng="es"><![CDATA[sobrevivencia de plantas]]></kwd>
<kwd lng="en"><![CDATA[ex situ immersion experiment]]></kwd>
<kwd lng="en"><![CDATA[Guibourtia hymenaeifolia (Moric.) J. Léonard]]></kwd>
<kwd lng="en"><![CDATA[Luehea divaricata Mart.]]></kwd>
<kwd lng="en"><![CDATA[Parapiptadenia rigida (Benth.) Brenan]]></kwd>
<kwd lng="en"><![CDATA[seedling survival]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arnell]]></surname>
<given-names><![CDATA[W. N.]]></given-names>
</name>
<name>
<surname><![CDATA[Gosling]]></surname>
<given-names><![CDATA[N. S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The impacts of climate change on river flood risk at the global scale]]></article-title>
<source><![CDATA[Climatic Change,]]></source>
<year>2016</year>
<volume>134</volume>
<page-range>387-401</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bidegain]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Coronel]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Ríos]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Santos]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Escenarios climáticos futuros para Paraguay]]></article-title>
<source><![CDATA[Meteorológica]]></source>
<year>2012</year>
<volume>37</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>47-55</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Borges]]></surname>
<given-names><![CDATA[K. C. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Santana]]></surname>
<given-names><![CDATA[D. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Ranal]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Dorneles]]></surname>
<given-names><![CDATA[M. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Carvalho]]></surname>
<given-names><![CDATA[M. P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Germinação de sementes e emergência de plántulas de Luehea divaricata Mart]]></article-title>
<source><![CDATA[Revista Brasileira de Biociências]]></source>
<year>2007</year>
<volume>5</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>1008-10</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Céspedes]]></surname>
<given-names><![CDATA[R. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Ríos]]></surname>
<given-names><![CDATA[L. S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Análisis del impacto de las inundaciones en el Paraguay]]></source>
<year>1985</year>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chamorro Vega]]></surname>
<given-names><![CDATA[L. F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Análisis estadístico de la variabilidad climática y sus impactos en Paraguay]]></source>
<year>2010</year>
<publisher-name><![CDATA[Universidad Nacional de Asunción]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dutra]]></surname>
<given-names><![CDATA[A. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Machado Araujo]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Guarienti Rorato]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Mieth]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Germinação de sementes e emergência de plântulas de Luehea divaricata Mart. et. Zucc. em diferentes substratos]]></article-title>
<source><![CDATA[Ciência Florestal]]></source>
<year>2016</year>
<volume>26</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>411-8</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hirabayashi]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Mahendran]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Koirala]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Konoshima]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Yamazaki]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Watanabe]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Kanae]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Global flood risk under climate change]]></article-title>
<source><![CDATA[Nature Climate Change]]></source>
<year>2013</year>
<volume>3</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>816-21</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="">
<collab>International Seed Testing Association</collab>
<source><![CDATA[International Rules for Seed Testing]]></source>
<year>2016</year>
</nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kaenzig]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Piguet]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Migration and climate change in Latin America and the Caribbean]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Piguet]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Laczko]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[People on the move in a changing climate]]></source>
<year>2014</year>
<page-range>155-76</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Little]]></surname>
<given-names><![CDATA[E. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Ritz]]></surname>
<given-names><![CDATA[G. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Rombold]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Hahn]]></surname>
<given-names><![CDATA[W. J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Árboles comunes del Paraguray: Ñande yvyra mata kuera]]></source>
<year>2002</year>
<publisher-name><![CDATA[FCA-UNA y Cuerpo de Paz]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lorenzi]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Árvores brasileiras: Manual de identificação e cultivo de plantas arbóreas nativas do Brasil]]></source>
<year>2014</year>
<volume>1</volume>
<publisher-name><![CDATA[Plantarum]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lorenzi]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Árvores brasileiras: Manual de identificação e cultivo de plantas arbóreas nativas do Brasil]]></source>
<year>2014</year>
<volume>2</volume>
<publisher-name><![CDATA[Plantarum]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Garden]]></surname>
<given-names><![CDATA[Missouri Botanical]]></given-names>
</name>
</person-group>
<source><![CDATA[Trópicos]]></source>
<year>2020</year>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Parolin]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Submergence tolerance vs. escape from submergence: two strategies of seedling establishment in Amazonian floodplains]]></article-title>
<source><![CDATA[Tropical Ecology]]></source>
<year>2002</year>
<volume>2</volume>
<numero>48</numero>
<issue>48</issue>
<page-range>177-86</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Peña-Chocarro]]></surname>
<given-names><![CDATA[M. C.]]></given-names>
</name>
<name>
<surname><![CDATA[De Egea Juvenil]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Vera]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Maturo]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Knapp]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Guía de árboles y arbustos del Chaco húmedo]]></source>
<year>2006</year>
<publisher-name><![CDATA[The Natural History Museum, Guyra Paraguay, Fundación Moisés Bertoni y Fundación Hábitat y Desarrollo]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<collab>R Core Team</collab>
<article-title xml:lang=""><![CDATA[R: A language and environment for statistical computing]]></article-title>
<source><![CDATA[R Foundation for Statistical]]></source>
<year>2018</year>
<publisher-loc><![CDATA[Vienna, Austria ]]></publisher-loc>
<publisher-name><![CDATA[Computing]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Scarano]]></surname>
<given-names><![CDATA[F. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Ribeiro]]></surname>
<given-names><![CDATA[K. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Moraes]]></surname>
<given-names><![CDATA[L. F. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Lima]]></surname>
<given-names><![CDATA[H. C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Plant establishment on flooded and unflooded patches of a freshwater swamp forest in southeastern Brazil]]></article-title>
<source><![CDATA[Journal of Tropical ecology]]></source>
<year>1997</year>
<volume>13</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>793-803</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Scarano]]></surname>
<given-names><![CDATA[F. R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A comparison of dispersal, germination and establishment of woody plants subjected to distinct flooding regimes in Brazilian flood-prone forests and estuarine vegetation]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Scarano]]></surname>
<given-names><![CDATA[F. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Franco]]></surname>
<given-names><![CDATA[A. C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ecophysioogical strategies of xerophytic and amphibious plants in the neotropics]]></source>
<year>1998</year>
<page-range>177-93</page-range><publisher-name><![CDATA[Series Oecologia Brasilienses]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Scarano]]></surname>
<given-names><![CDATA[F. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Pereira]]></surname>
<given-names><![CDATA[T. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Rôças]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Seed germination during flotation and seedling growth of Carapa guianensis, a tree from flood-prone forests of the Amazon]]></article-title>
<source><![CDATA[Plant Ecology]]></source>
<year>2003</year>
<volume>168</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>291-6</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vidal]]></surname>
<given-names><![CDATA[V. S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Eje estratégico desarrollo forestal sostenible y servicios ambientales]]></source>
<year>2010</year>
<publisher-name><![CDATA[FAO]]></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
