<?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>S0034-77442023000100023</article-id>
<article-id pub-id-type="doi">10.15517/rev.biol.trop..v71i1.51733</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[High frequency of larval abnormalities of the toad Rhinella arenarum (Anura: Bufonidae) in an Argentinian agroecosystem]]></article-title>
<article-title xml:lang=""><![CDATA[Alta frecuencia de anormalidades larvales del sapo Rhinella arenarum (Anura: Bufonidae) en un agroecosistema argentino]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sansiñena]]></surname>
<given-names><![CDATA[Jesica A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Plaul]]></surname>
<given-names><![CDATA[Silvia E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bahl]]></surname>
<given-names><![CDATA[María F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Piccinini]]></surname>
<given-names><![CDATA[Andrés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Laube]]></surname>
<given-names><![CDATA[Pedro F. Andrés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alcalde]]></surname>
<given-names><![CDATA[Leandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Natale]]></surname>
<given-names><![CDATA[Guillermo-S.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional de La Plata Facultad de Ciencias Exactas Centro de Investigaciones del Medio Ambiente (CIM) UNLP-CONICET, Departamento de Química]]></institution>
<addr-line><![CDATA[La Plata Buenos Aires]]></addr-line>
<country>Argentina</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional de La Plata Facultad de Ciencias Veterinarias Laboratorio de Histología y Embriología Descriptiva, Experimental y Comparada (LHYEDEC)]]></institution>
<addr-line><![CDATA[La Plata Buenos Aires]]></addr-line>
<country>Argentina</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,CONICET Instituto de Limnología ''Dr. Raúl A. Ringuelet''- Sección Herpetología ]]></institution>
<addr-line><![CDATA[ La Plata]]></addr-line>
<country>Argentina</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2023</year>
</pub-date>
<volume>71</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0034-77442023000100023&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0034-77442023000100023&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0034-77442023000100023&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction:  The frequent use of pesticides is currently considered a cause of environmental pollution due to the high rate of entry of these substances into agroecosystems. This constitutes a risk for the species that inhabit these ecosystems, in particular anurans whose characteristics make them prone to exposure to and interaction with environmental pollutants.  Objective:  To report the occurrence of abnormalities in larvae of the common toad Rhinella arenarum inhabiting ponds surrounded by agroecosystems.  Methods:  In two consecutive springs (2015 and 2016), reproductive events of common toads were monitored in temporary pond systems in agricultural and non-agricultural areas, located near the city of La Plata (Buenos Aires, Argentina). The physicochemical parameters of the ponds were measured, and the stage of each reproductive event was recorded, such as the numbers of adult toads, amplexus and clutches. In the laboratory, the larvae were measured and photographed, their stage of development was recorded, and their morphology was examined under a stereomicroscope. Representative samples (normal and abnormal) from each pond studied were processed for histopathological analysis.  Results:  In the field studies carried out on a population of R. arenarum collected in an agroecosystem, a lower number of reproductive adults and clutches were observed in relation to the population of a non-agricultural pond. A total of 1 910 larvae were collected: 529 and 1 381 larvae from ponds located in non-agricultural and agricultural areas, respectively. Larvae from the agroecosystem showed two types of abnormalities: severe tail flexure and abdominal bloating. In addition, five degrees of severity could be determined in relation to abdominal bloating.  Conclusions:  This work reports the high frequency and severity of abnormalities observed in the early stages of R. arenarum larvae living within an agroecosystem, providing evidence of the negative impact that agricultural activities cause on aquatic ecosystems surrounded by farming areas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción:  El uso frecuente de plaguicidas es considerado actualmente una causa de contaminación ambiental debido a las altas tasas de ingreso de estas sustancias a los agroecosistemas. Esta situación es un riesgo para las especies que habitan en estos ecosistemas, en particular los anuros cuyas características los hacen propensos a la exposición e interacción con contaminantes ambientales.  Objetivo:  Informar la presencia de anormalidades en larvas del sapo común Rhinella arenarum que habitan en estanques rodeados por un agroecosistema.  Métodos:  En dos primaveras consecutivas (2015 y 2016), se monitorearon los eventos reproductivos del sapo común proveniente de sistemas de estanques temporales ubicados en zonas agrícolas y no agrícolas, cerca de la ciudad de La Plata (Buenos Aires, Argentina). Se midieron los parámetros fisicoquímicos de los estanques y se registraron las etapas de cada evento reproductivo como el número de sapos adultos, amplexos y nidadas. En el laboratorio, las larvas fueron medidas y fotografiadas, se registró su estado de desarrollo y se examinó la morfología de cada una bajo microscopio estereoscópico. Se procesaron muestras representativas (normales y anormales) de cada estanque estudiado para análisis histopatológico.  Resultados:  En la población de R. arenarum que vive dentro de un agroecosistema, se observó un menor número de adultos reproductores y puestas en relación con la del estanque en la zona no agrícola. Se recolectaron un total de 1 910 larvas: 529 y 1 381 larvas de estanques ubicados en zonas no agrícolas y agrícolas, respectivamente. Las larvas del agroecosistema mostraron dos tipos de anormalidades: severa flexión de la cola y distensión abdominal. Además, se pudo determinar cinco grados de gravedad en relación con la distensión abdominal.  Conclusiones:  Una alta frecuencia y severidad de anormalidades en los estadios tempranos de larvas de R. arenarum que viven dentro de un agroecosistema proporciona evidencia del impacto negativo que las actividades agrícolas causan en los ecosistemas acuáticos rodeados por áreas de cultivo.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[anuran larvae]]></kwd>
<kwd lng="en"><![CDATA[abdominal bloating]]></kwd>
<kwd lng="en"><![CDATA[histopathological studies]]></kwd>
<kwd lng="en"><![CDATA[common toad]]></kwd>
<kwd lng="en"><![CDATA[crop areas.]]></kwd>
<kwd lng="es"><![CDATA[larvas de anuro]]></kwd>
<kwd lng="es"><![CDATA[distensión abdominal]]></kwd>
<kwd lng="es"><![CDATA[estudios histopatológicos]]></kwd>
<kwd lng="es"><![CDATA[sapo común]]></kwd>
<kwd lng="es"><![CDATA[áreas de cultivo.]]></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[Agostini]]></surname>
<given-names><![CDATA[M. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Kacoliris]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Demetrio]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Natale]]></surname>
<given-names><![CDATA[G. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Bonetto]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Ronco]]></surname>
<given-names><![CDATA[A. E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Abnormalities in amphibian populations inhabiting agroecosystems in northeastern Buenos Aires Province, Argentina]]></article-title>
<source><![CDATA[Diseases of Aquatic Organisms]]></source>
<year>2013</year>
<volume>104</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>163-71</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Agostini]]></surname>
<given-names><![CDATA[M. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Natale]]></surname>
<given-names><![CDATA[G. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Ronco]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Lethal and sublethal effects of cypermethrin to Hypsiboas pulchellus tadpoles]]></article-title>
<source><![CDATA[Ecotoxicology]]></source>
<year>2010</year>
<volume>19</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>1545-50</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Anzaldua]]></surname>
<given-names><![CDATA[S. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Goldberg]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Hotspot of tadpole abnormality in suburban south-west Florida]]></article-title>
<source><![CDATA[Herpetological Journal]]></source>
<year>2019</year>
<volume>29</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>115-24</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Aronzon]]></surname>
<given-names><![CDATA[C. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Sandoval]]></surname>
<given-names><![CDATA[M. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Herkovits]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Pérez-Coll]]></surname>
<given-names><![CDATA[C. S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Stage-dependent toxicity of 2,4-dichlorophenoxyacetic on the embryonic development of a South American toad, Rhinella arenarum]]></article-title>
<source><![CDATA[Environmental Toxicology]]></source>
<year>2011</year>
<volume>26</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>373-81</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Baird]]></surname>
<given-names><![CDATA[D. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Brown]]></surname>
<given-names><![CDATA[S. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Lagadic]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Liess]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Maltby]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Moreira-Santos]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Scott]]></surname>
<given-names><![CDATA[G. I.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[In situ-based effects measures: Determining the ecological relevance of measured responses]]></article-title>
<source><![CDATA[Environmental Assessment and Management: An International Journal]]></source>
<year>2007</year>
<volume>3</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>259-67</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bantle]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Atlas of Abnormalities: A Guide for the Performance of FETAX]]></source>
<year>1991</year>
<publisher-name><![CDATA[Oklahoma State University, Printing Services]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Beebee]]></surname>
<given-names><![CDATA[T. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Griffiths]]></surname>
<given-names><![CDATA[R. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The amphibian decline crisis: a watershed for conservation biology?]]></article-title>
<source><![CDATA[Biological Conservation]]></source>
<year>2005</year>
<volume>125</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>271-85</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bindraban]]></surname>
<given-names><![CDATA[P. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Bulte]]></surname>
<given-names><![CDATA[E. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Conijn]]></surname>
<given-names><![CDATA[S. G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Can large-scale biofuels production be sustainable by 2020?]]></article-title>
<source><![CDATA[Agricultural Systems]]></source>
<year>2009</year>
<volume>101</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>197-9</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Blaustein]]></surname>
<given-names><![CDATA[A. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Wake]]></surname>
<given-names><![CDATA[D. B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The puzzle of declining amphibian populations]]></article-title>
<source><![CDATA[Scientific American]]></source>
<year>1995</year>
<volume>272</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>52-7</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Boccioni]]></surname>
<given-names><![CDATA[A. P. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Lajmanovich]]></surname>
<given-names><![CDATA[R. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Peltzer]]></surname>
<given-names><![CDATA[P. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Attademo]]></surname>
<given-names><![CDATA[A. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Martinuzzi]]></surname>
<given-names><![CDATA[C. S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Toxicity assessment at different experimental scenarios with glyphosate, chlorpyrifos and antibiotics in Rhinella arenarum (Anura: Bufonidae) tadpoles]]></article-title>
<source><![CDATA[Chemosphere]]></source>
<year>2020</year>
<volume>273</volume>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Brunelli]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Bernabò]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Berg]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Lundstedt-Enkel]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Bonacci]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Tripepi]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Environmentally relevant concentrations of endosulfan impair development, metamorphosis and behaviour in Bufo bufo tadpoles]]></article-title>
<source><![CDATA[Aquatic Toxicology]]></source>
<year>2009</year>
<volume>91</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>135-42</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Brodeur]]></surname>
<given-names><![CDATA[J. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Suarez]]></surname>
<given-names><![CDATA[R. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Natale]]></surname>
<given-names><![CDATA[G. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Ronco]]></surname>
<given-names><![CDATA[A. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Zaccagnini]]></surname>
<given-names><![CDATA[M. E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Reduced body condition and enzymatic alterations in frogs inhabiting intensive crop production areas]]></article-title>
<source><![CDATA[Ecotoxicology and Environmental Safety]]></source>
<year>2011</year>
<volume>74</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>1370-80</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Brodeur]]></surname>
<given-names><![CDATA[J. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Vera-Candioti]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Impacts of agricult ure and pesticides on amphibian terrestrial life stages: Potential biomonitor/bioindicator species for the Pampa region of Argentina]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Larramendy]]></surname>
<given-names><![CDATA[M. L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ecotoxicology and Genotoxicology: Non-traditional Terrestrial Models Issues in Toxicology No. 32]]></source>
<year>2017</year>
<page-range>163-94</page-range><publisher-name><![CDATA[The Royal Society of Chemistry]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Camilión]]></surname>
<given-names><![CDATA[M. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Manassero]]></surname>
<given-names><![CDATA[M. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Hurtado]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Ronco]]></surname>
<given-names><![CDATA[A. E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Copper, lead and zinc distribution in soils and sediments of the south-western coast of the Río de la Plata estuary]]></article-title>
<source><![CDATA[Journal of Soils and Sediments]]></source>
<year>2003</year>
<volume>3</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>213-20</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Carvalho]]></surname>
<given-names><![CDATA[F. P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mining industry and sustainable development: time for change]]></article-title>
<source><![CDATA[Food and Energy Security]]></source>
<year>2017</year>
<volume>6</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>61-77</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Collins]]></surname>
<given-names><![CDATA[J. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Crump]]></surname>
<given-names><![CDATA[M. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Lovejoy III]]></surname>
<given-names><![CDATA[T. E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Extinction in our Times: Global Amphibian Decline]]></source>
<year>2009</year>
<publisher-name><![CDATA[Oxford University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Croteau]]></surname>
<given-names><![CDATA[M. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Davidson]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Lean]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Trudeau]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Global increases in ultraviolet B radiation: potential impacts on amphibian development and metamorphosis]]></article-title>
<source><![CDATA[Physiological and Biochemical Zoology]]></source>
<year>2008</year>
<volume>81</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>743-61</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Davidson]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Shaffer]]></surname>
<given-names><![CDATA[H. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Jennings]]></surname>
<given-names><![CDATA[M. R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Spatial tests of the pesticide drift, habitat destruction, UV-B, and climate-change hypotheses for California amphibian declines]]></article-title>
<source><![CDATA[Conservation Biology]]></source>
<year>2002</year>
<volume>16</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>1588-601</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Demetrio]]></surname>
<given-names><![CDATA[P. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Estudio de efectos biológicos de plaguicidas utilizados en cultivos de soja RR y evaluación de impactos adversos en ambientes acuáticos de agroecosistemas de la región pampeana]]></source>
<year>2012</year>
<publisher-name><![CDATA[Universidad Nacional de La Plata]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Denoël]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[D'Hooghe]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Ficetola]]></surname>
<given-names><![CDATA[G. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Brasseur]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[De Pauw]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Thomé]]></surname>
<given-names><![CDATA[J. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Kestemont]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Using sets of behavioral biomarkers to assess short-term effects of pesticide: a study case with endosulfan on frog tadpoles]]></article-title>
<source><![CDATA[Ecotoxicology]]></source>
<year>2012</year>
<volume>21</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>1240-50</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Evenson]]></surname>
<given-names><![CDATA[R. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Gollin]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Assessing the impact of the Green Revolution, 1960 to 2000']]></article-title>
<source><![CDATA[Science]]></source>
<year>2003</year>
<volume>300</volume>
<numero>5620</numero>
<issue>5620</issue>
<page-range>758-62</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gosner]]></surname>
<given-names><![CDATA[K. L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A simplified table for staging anuran embryos and larvae with notes on identification]]></article-title>
<source><![CDATA[Herpetologica]]></source>
<year>1960</year>
<volume>16</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>183-90</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Guzy]]></surname>
<given-names><![CDATA[J. C.]]></given-names>
</name>
<name>
<surname><![CDATA[McCoy]]></surname>
<given-names><![CDATA[E. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Deyle]]></surname>
<given-names><![CDATA[A. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Gonzalez]]></surname>
<given-names><![CDATA[S. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Halstead]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Mushinsky]]></surname>
<given-names><![CDATA[H. R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Urbanization interferes with the use of amphibians as indicators of ecological integrity of wetlands]]></article-title>
<source><![CDATA[Journal of Applied Ecology]]></source>
<year>2012</year>
<volume>49</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>941-52</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Haywood]]></surname>
<given-names><![CDATA[L. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Alexander]]></surname>
<given-names><![CDATA[G. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Byrne]]></surname>
<given-names><![CDATA[M. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Cukrowska]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Xenopus laevis embryos and tadpoles as models for testing for pollution by zinc, copper, lead and cadmium]]></article-title>
<source><![CDATA[African Zoology]]></source>
<year>2004</year>
<volume>39</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>163-74</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Henle]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Dubois]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Studies on anomalies in natural populations of amphibians]]></article-title>
<source><![CDATA[Mertensiella]]></source>
<year>2017</year>
<volume>25</volume>
<page-range>185-242</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Heyer]]></surname>
<given-names><![CDATA[W. R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Variation within the Leptodactylus podicipinus-wagneri complex of frogs (Amphibia: Leptodactylidae)]]></article-title>
<source><![CDATA[Smithsonian Contributions to Zoology]]></source>
<year>1994</year>
<volume>446</volume>
<page-range>1-132</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hopkins]]></surname>
<given-names><![CDATA[W. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Congdon]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Ray]]></surname>
<given-names><![CDATA[J. K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Incidence and impact of axial malformations in larval bullfrogs (Rana catesbeiana) developing in sites polluted by a coal-burning power plant]]></article-title>
<source><![CDATA[Environmental Toxicology and Chemistry: An International Journal]]></source>
<year>2000</year>
<volume>19</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>862-8</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Houlahan]]></surname>
<given-names><![CDATA[J. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Findlay]]></surname>
<given-names><![CDATA[C. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Schmidt]]></surname>
<given-names><![CDATA[B. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Meyer]]></surname>
<given-names><![CDATA[A. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Kuzmin]]></surname>
<given-names><![CDATA[S. L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Quantitative evidence for global amphibian population declines]]></article-title>
<source><![CDATA[Nature]]></source>
<year>2000</year>
<volume>404</volume>
<numero>6779</numero>
<issue>6779</issue>
<page-range>752</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Johnson]]></surname>
<given-names><![CDATA[P. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Lunde]]></surname>
<given-names><![CDATA[K. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Ritchie]]></surname>
<given-names><![CDATA[E. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Reaser]]></surname>
<given-names><![CDATA[J. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Launer]]></surname>
<given-names><![CDATA[A. E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Morphological abnormality patterns in a California amphibian community]]></article-title>
<source><![CDATA[Herpetologica]]></source>
<year>2001</year>
<volume>57</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>336-52</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lajmanovich]]></surname>
<given-names><![CDATA[R. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Attademo]]></surname>
<given-names><![CDATA[A. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Peltzer]]></surname>
<given-names><![CDATA[P. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Junges]]></surname>
<given-names><![CDATA[C. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Cabagna]]></surname>
<given-names><![CDATA[M. C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Toxicity of four herbicide formulations with glyphosate on Rhinella arenarum (Anura: Bufonidae) tadpoles: B-esterases and glutathione S-transferase inhibitors]]></article-title>
<source><![CDATA[Archives of Environmental Contamination and Toxicology]]></source>
<year>2011</year>
<volume>60</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>681-9</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lajmanovich]]></surname>
<given-names><![CDATA[R. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Peltzer]]></surname>
<given-names><![CDATA[P. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Attademo]]></surname>
<given-names><![CDATA[A. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Cabagna-Zenklusen]]></surname>
<given-names><![CDATA[M. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Junges]]></surname>
<given-names><![CDATA[C. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Los agroquímicos y su impacto en los anfibios: un dilema de difícil solución]]></article-title>
<source><![CDATA[Química Viva]]></source>
<year>2012</year>
<volume>11</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>184-98</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lannoo]]></surname>
<given-names><![CDATA[M. J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Malformed frogs: The Collapse of Aquatic Ecosystems]]></source>
<year>2008</year>
<publisher-name><![CDATA[University of California Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lunde]]></surname>
<given-names><![CDATA[K. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Johnson]]></surname>
<given-names><![CDATA[P. T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A practical guide for the study of malformed amphibians and their causes]]></article-title>
<source><![CDATA[Journal of Herpetology]]></source>
<year>2012</year>
<volume>46</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>429-42</page-range></nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mac Loughlin]]></surname>
<given-names><![CDATA[T. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Peluso]]></surname>
<given-names><![CDATA[M. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Marino]]></surname>
<given-names><![CDATA[D. J. G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Pesticide impact study in the peri-urban horticultural area of Gran La Plata, Argentina]]></article-title>
<source><![CDATA[Science of the Total Environment]]></source>
<year>2017</year>
<volume>598</volume>
<page-range>572-80</page-range></nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Natale]]></surname>
<given-names><![CDATA[G. S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Análisis ecotoxicológico de una comunidad de anuros de la Región Pampeana]]></source>
<year>2006</year>
<publisher-name><![CDATA[Facultad de Ciencias Naturales y Museo]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Natale]]></surname>
<given-names><![CDATA[G. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Vera-Candioti]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Ruiz de Arcaute]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Soloneski]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Larramendy]]></surname>
<given-names><![CDATA[M. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Ronco]]></surname>
<given-names><![CDATA[A. E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Lethal and sublethal effects of the pirimicarb-based formulation Aficida® on Boana pulchella (Duméril and Bibron, 1841) tadpoles (Anura, Hylidae)]]></article-title>
<source><![CDATA[Ecotoxicology and Environmental Safety]]></source>
<year>2018</year>
<volume>147</volume>
<page-range>471-9</page-range></nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Peluso]]></surname>
<given-names><![CDATA[M. L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Evaluación de efectos biológicos y biodisponibilidad de contaminantes en sedimentos del Río de la Plata y afluentes]]></source>
<year>2011</year>
<publisher-name><![CDATA[Facultad de Ciencias Exactas]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Peluso]]></surname>
<given-names><![CDATA[M. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Giusto]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Rossini]]></surname>
<given-names><![CDATA[G. D. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Ferrari]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Salibián]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Ronco]]></surname>
<given-names><![CDATA[A. E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Hyalella curvispina (amphipoda) as a test organism in laboratory toxicity testing of environmental samples]]></article-title>
<source><![CDATA[Fresenius Environmental Bulletin]]></source>
<year>2011</year>
<volume>20</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>372-6</page-range></nlm-citation>
</ref>
<ref id="B39">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pérez-Coll]]></surname>
<given-names><![CDATA[C. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Herkovits]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Salibián]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Embryotoxicity of lead on Bufo arenarum]]></article-title>
<source><![CDATA[Bulletin of Environmental Contamination and Toxicology]]></source>
<year>1988</year>
<volume>41</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>247-52</page-range></nlm-citation>
</ref>
<ref id="B40">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pérez-Iglesias]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Soloneski]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Nikoloff]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Natale]]></surname>
<given-names><![CDATA[G. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Larramendy]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Toxic and genotoxic effects of the imazethapyr-based herbicide formulation Pivot H® on montevideo tree frog Hypsiboas pulchellus tadpoles (Anura, Hylidae)]]></article-title>
<source><![CDATA[Ecotoxicology and Environmental Safety]]></source>
<year>2015</year>
<volume>119</volume>
<page-range>15-24</page-range></nlm-citation>
</ref>
<ref id="B41">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Peltzer]]></surname>
<given-names><![CDATA[P. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Lajmanovich]]></surname>
<given-names><![CDATA[R. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Sanchez]]></surname>
<given-names><![CDATA[L. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Attademo]]></surname>
<given-names><![CDATA[A. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Junges]]></surname>
<given-names><![CDATA[C. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Bionda]]></surname>
<given-names><![CDATA[C. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Martino]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Basso]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Morphological abnormalities in amphibian populations]]></article-title>
<source><![CDATA[Herpetological Conservation and Biology]]></source>
<year>2011</year>
<volume>6</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>432-42</page-range></nlm-citation>
</ref>
<ref id="B42">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Plaul]]></surname>
<given-names><![CDATA[S. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Andrés Laube]]></surname>
<given-names><![CDATA[P. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Pacheco Marino]]></surname>
<given-names><![CDATA[S. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Santamaría Martín]]></surname>
<given-names><![CDATA[C. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Moyano]]></surname>
<given-names><![CDATA[D. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Barbeito]]></surname>
<given-names><![CDATA[C. G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Morphological techniques used in ichthyopathological diagnosis]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Méndez-Vilas]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Microscopy and imaging science approaches to applied research and education]]></source>
<year>2017</year>
<page-range>269-80</page-range><publisher-name><![CDATA[Badajoz]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B43">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Primost]]></surname>
<given-names><![CDATA[J. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Marino]]></surname>
<given-names><![CDATA[D. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Aparicio]]></surname>
<given-names><![CDATA[V. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Costa]]></surname>
<given-names><![CDATA[J. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Carriquiriborde]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Glyphosate and AMPA,''pseudo-persistent'' pollutants under real-world agricultural management practices in the Mesopotamic Pampas agroecosystem, Argentina]]></article-title>
<source><![CDATA[Environmental Pollution]]></source>
<year>2017</year>
<volume>229</volume>
<page-range>771-9</page-range></nlm-citation>
</ref>
<ref id="B44">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Quirós]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Rosso]]></surname>
<given-names><![CDATA[J. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Rennella]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Sosnovsky]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Boveri]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Análisis del estado trófico de las lagunas pampeanas (Argentina)]]></article-title>
<source><![CDATA[Interciencia]]></source>
<year>2002</year>
<volume>27</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>584-91</page-range></nlm-citation>
</ref>
<ref id="B45">
<nlm-citation citation-type="book">
<collab>R Development Core Team</collab>
<source><![CDATA[R: A language and environment for statistical computing]]></source>
<year>2014</year>
<publisher-loc><![CDATA[Vienna, Austria ]]></publisher-loc>
<publisher-name><![CDATA[R Foundation for Statistical Computing]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B46">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rasband]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<source><![CDATA[ImageJ]]></source>
<year>1997</year>
<publisher-loc><![CDATA[MD, USA ]]></publisher-loc>
<publisher-name><![CDATA[US National Institutes of Health, Bethesda]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B47">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Read]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparative abnormality rates of the trilling frog at Olympic Dam]]></article-title>
<source><![CDATA[Herpetofauna-Sydney]]></source>
<year>1997</year>
<volume>27</volume>
<page-range>23-7</page-range></nlm-citation>
</ref>
<ref id="B48">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Reeves]]></surname>
<given-names><![CDATA[M. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Dolph]]></surname>
<given-names><![CDATA[C. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Zimmer]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Tjeerdema]]></surname>
<given-names><![CDATA[R. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Trust]]></surname>
<given-names><![CDATA[K. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Road proximity increases risk of skeletal abnormalities in wood frogs from National Wildlife Refuges in Alaska]]></article-title>
<source><![CDATA[Environmental Health Perspectives]]></source>
<year>2008</year>
<volume>116</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>1009-14</page-range></nlm-citation>
</ref>
<ref id="B49">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ruiz]]></surname>
<given-names><![CDATA[A. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Maerz]]></surname>
<given-names><![CDATA[J. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Davis]]></surname>
<given-names><![CDATA[A. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Keel]]></surname>
<given-names><![CDATA[M. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Ferreira]]></surname>
<given-names><![CDATA[A. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Conroy]]></surname>
<given-names><![CDATA[M. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Morris]]></surname>
<given-names><![CDATA[L. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Fisk]]></surname>
<given-names><![CDATA[A. T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Patterns of development and abnormalities among tadpoles in a constructed wetland receiving treated wastewater]]></article-title>
<source><![CDATA[Environmental Science &amp; Technology]]></source>
<year>2010</year>
<volume>44</volume>
<numero>13</numero>
<issue>13</issue>
<page-range>4862-8</page-range></nlm-citation>
</ref>
<ref id="B50">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sansiñena]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Peluso]]></surname>
<given-names><![CDATA[M. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Costa]]></surname>
<given-names><![CDATA[C. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Demetrio]]></surname>
<given-names><![CDATA[P. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Mac Loughlin]]></surname>
<given-names><![CDATA[T. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Marino]]></surname>
<given-names><![CDATA[D. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Alcalde]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Natale]]></surname>
<given-names><![CDATA[G. S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation of the toxicity of the sediments from an agroecosystem to two native species, Hyalella curvispina (Crustacea: Amphipoda) and Boana pulchella (Amphibia: Anura), as potential environmental indicators]]></article-title>
<source><![CDATA[Ecological Indicators]]></source>
<year>2018</year>
<volume>93</volume>
<page-range>100-10</page-range></nlm-citation>
</ref>
<ref id="B51">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Severtsova]]></surname>
<given-names><![CDATA[E. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Aguillon-Gutierrez]]></surname>
<given-names><![CDATA[D. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Severtsov]]></surname>
<given-names><![CDATA[A. S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Frequent anomalies in larvae of common and moor frogs in Moscow area and in the Suburbs of Moscow, Russia]]></article-title>
<source><![CDATA[Russian Journal of Herpetology]]></source>
<year>2012</year>
<volume>19</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>337-48</page-range></nlm-citation>
</ref>
<ref id="B52">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Toledo]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Bokermannohyla saxicola (NCN), Scinax curicica (Lanceback Treefrog), Scinax squalirostris (Snouted Treefrog), Trachycephalus mesophaeus (Golden-eyed Treefrog), and Elachistocleis sp. (Oval Frog)]]></article-title>
<source><![CDATA[Morphology Herpetological Review]]></source>
<year>2010</year>
<volume>41</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>333-4</page-range></nlm-citation>
</ref>
<ref id="B53">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sinsch]]></surname>
<given-names><![CDATA[U.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Migration and orientation in anuran amphibians]]></article-title>
<source><![CDATA[Ethology Ecology &amp; Evolution]]></source>
<year>1990</year>
<volume>2</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>65-79</page-range></nlm-citation>
</ref>
<ref id="B54">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sparling]]></surname>
<given-names><![CDATA[D. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Linder]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Bishop]]></surname>
<given-names><![CDATA[C. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Krest]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ecotoxicology of Amphibians and Reptiles]]></source>
<year>2010</year>
<publisher-name><![CDATA[CRC Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B55">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Svartz]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Aronzon]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Coll]]></surname>
<given-names><![CDATA[C. P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparative sensitivity among early life stages of the South American toad to cypermethrin-based pesticide]]></article-title>
<source><![CDATA[Environmental Science and Pollution Research]]></source>
<year>2016</year>
<volume>23</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>2906-13</page-range></nlm-citation>
</ref>
<ref id="B56">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Venturino]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Rosenbaum]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Caballero de Castro]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Anguiano]]></surname>
<given-names><![CDATA[O. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Gauna]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Fonovich de Schroeder]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Pechen de D'Angelo]]></surname>
<given-names><![CDATA[A. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Biomarkers of effect in toads and frogs]]></article-title>
<source><![CDATA[Biomarkers: biochemical indicators of exposure, response, and susceptibility to chemicals]]></source>
<year>2003</year>
<volume>8</volume>
<numero>3-4</numero>
<issue>3-4</issue>
<page-range>167-86</page-range></nlm-citation>
</ref>
<ref id="B57">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wilbur]]></surname>
<given-names><![CDATA[H. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Semlitsch]]></surname>
<given-names><![CDATA[R. D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ecological consequences of tail injury in Rana tadpoles]]></article-title>
<source><![CDATA[Copeia]]></source>
<year>1990</year>
<volume>1</volume>
<page-range>18-24</page-range></nlm-citation>
</ref>
<ref id="B58">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Young]]></surname>
<given-names><![CDATA[B. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Stuart]]></surname>
<given-names><![CDATA[S. N.]]></given-names>
</name>
<name>
<surname><![CDATA[Chanson]]></surname>
<given-names><![CDATA[J. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Cox]]></surname>
<given-names><![CDATA[N. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Boucher]]></surname>
<given-names><![CDATA[T. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Joyas que están desapareciendo: El estado de los anfibios en el Nuevo Mundo]]></source>
<year>2004</year>
<publisher-name><![CDATA[NatureServe]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B59">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zar]]></surname>
<given-names><![CDATA[J. H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Biostatistical analysis]]></source>
<year>2013</year>
<publisher-name><![CDATA[Pearson]]></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
