Effects of Forest Fragmentation and Habitat Degradation on West African Leaf‐Litter Frogs
Identifieur interne : 001846 ( Istex/Corpus ); précédent : 001845; suivant : 001847Effects of Forest Fragmentation and Habitat Degradation on West African Leaf‐Litter Frogs
Auteurs : Annika Hillers ; Michael Veith ; Mark-Oliver RödelSource :
- Conservation Biology [ 0888-8892 ] ; 2008-06.
English descriptors
- KwdEn :
- Parque Nacional Taï, Taï National Park, West Africa, anuros de la hojarasca, bosque tropical lluvioso, degradación de hábitat, ensambles de especies, ensambles de ranas, forest fragmentation, fragmentación de bosque, frog assemblages, habitat degradation, leaf‐litter anurans, species assemblages, tropical rainforest, África Occidental.
Abstract
Abstract: Habitat degradation alters the dynamics and composition of anuran assemblages in tropical forests. The effects of forest fragmentation on the composition of anuran assemblages are so far poorly known. We studied the joint influence of forest fragmentation and degradation on leaf‐litter frogs. We specifically asked whether the processes structuring leaf‐litter anuran assemblages in fragmented forests are the same as those in continuous forests. We analyzed anuran assemblages with respect to habitat characteristics, including fragmentation and degradation parameters. In comparison with continuous forests, species richness and diversity were lower and assemblage composition was altered in forest fragments. These changes seemed to be mainly caused by habitat degradation rather than forest fragmentation. Availability of aquatic sites for breeding, vegetation structure (including those variables indicating degradation), and leaf‐litter cover had the most influence on the presence of single species. The comparatively small impact of fragmentation on anurans might be due to the location of the study area; it still possessed large tracts of continuous forest. These forest blocks may stabilize the regional rainforest climate and thus weaken the effects of fragmentation.
Url:
DOI: 10.1111/j.1523-1739.2008.00920.x
Links to Exploration step
ISTEX:96C10EBAB3C3CF84DC0A8C1C18B6A640F301B27CLe document en format XML
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first="Michael" last="Veith">Michael Veith</name><affiliation><mods:affiliation>Department of Ecology, Institute of Zoology, Becherweg 13, 55128 Mainz, Germany</mods:affiliation></affiliation><affiliation><mods:affiliation>‡ hillers@science.uva.nl § **</mods:affiliation></affiliation><affiliation><mods:affiliation>E-mail: hillers@science.uva.nl</mods:affiliation></affiliation></author><author><name sortKey="Rodel, Mark Liver" sort="Rodel, Mark Liver" uniqKey="Rodel M" first="Mark-Oliver" last="Rödel">Mark-Oliver Rödel</name><affiliation><mods:affiliation>Department of Animal Ecology and Tropical Zoology, Theodor‐Boveri‐Institute, Biocenter of the University, Am Hubland, 97074 Würzburg, Germany</mods:affiliation></affiliation><affiliation><mods:affiliation>‡ hillers@science.uva.nl § **</mods:affiliation></affiliation><affiliation><mods:affiliation>E-mail: hillers@science.uva.nl</mods:affiliation></affiliation></author></analytic><monogr></monogr><series><title level="j">Conservation Biology</title><idno type="ISSN">0888-8892</idno><idno type="eISSN">1523-1739</idno><imprint><publisher>Blackwell Publishing Inc</publisher><pubPlace>Malden, USA</pubPlace><date type="published" when="2008-06">2008-06</date><biblScope unit="volume">22</biblScope><biblScope unit="issue">3</biblScope><biblScope unit="page" from="762">762</biblScope><biblScope unit="page" to="772">772</biblScope></imprint><idno type="ISSN">0888-8892</idno></series><idno type="istex">96C10EBAB3C3CF84DC0A8C1C18B6A640F301B27C</idno><idno type="DOI">10.1111/j.1523-1739.2008.00920.x</idno><idno type="ArticleID">COBI920</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0888-8892</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Parque Nacional Taï</term><term>Taï National Park</term><term>West Africa</term><term>anuros de la hojarasca</term><term>bosque tropical lluvioso</term><term>degradación de hábitat</term><term>ensambles de especies</term><term>ensambles de ranas</term><term>forest fragmentation</term><term>fragmentación de bosque</term><term>frog assemblages</term><term>habitat degradation</term><term>leaf‐litter anurans</term><term>species assemblages</term><term>tropical rainforest</term><term>África Occidental</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract">Abstract: Habitat degradation alters the dynamics and composition of anuran assemblages in tropical forests. The effects of forest fragmentation on the composition of anuran assemblages are so far poorly known. We studied the joint influence of forest fragmentation and degradation on leaf‐litter frogs. We specifically asked whether the processes structuring leaf‐litter anuran assemblages in fragmented forests are the same as those in continuous forests. We analyzed anuran assemblages with respect to habitat characteristics, including fragmentation and degradation parameters. In comparison with continuous forests, species richness and diversity were lower and assemblage composition was altered in forest fragments. These changes seemed to be mainly caused by habitat degradation rather than forest fragmentation. Availability of aquatic sites for breeding, vegetation structure (including those variables indicating degradation), and leaf‐litter cover had the most influence on the presence of single species. The comparatively small impact of fragmentation on anurans might be due to the location of the study area; it still possessed large tracts of continuous forest. These forest blocks may stabilize the regional rainforest climate and thus weaken the effects of fragmentation.</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>ANNIKA HILLERS</name><affiliations><json:string>Department of Ecology, Institute of Zoology, Becherweg 13, 55128 Mainz, Germany</json:string><json:string>‡ hillers@science.uva.nl § **</json:string><json:string>E-mail: hillers@science.uva.nl</json:string></affiliations></json:item><json:item><name>MICHAEL VEITH</name><affiliations><json:string>Department of Ecology, Institute of Zoology, Becherweg 13, 55128 Mainz, Germany</json:string><json:string>‡ hillers@science.uva.nl § **</json:string><json:string>E-mail: hillers@science.uva.nl</json:string></affiliations></json:item><json:item><name>MARK‐OLIVER RÖDEL</name><affiliations><json:string>Department of Animal Ecology and Tropical Zoology, Theodor‐Boveri‐Institute, Biocenter of the University, Am Hubland, 97074 Würzburg, Germany</json:string><json:string>‡ hillers@science.uva.nl § **</json:string><json:string>E-mail: hillers@science.uva.nl</json:string></affiliations></json:item></author><subject><json:item><lang><json:string>eng</json:string></lang><value>forest fragmentation</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>frog assemblages</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>habitat degradation</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>leaf‐litter anurans</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>species assemblages</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Taï National Park</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>tropical rainforest</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>West Africa</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>África Occidental</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>anuros de la hojarasca</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>bosque tropical lluvioso</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>degradación de hábitat</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>ensambles de especies</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>ensambles de ranas</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>fragmentación de bosque</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Parque Nacional Taï</value></json:item></subject><articleId><json:string>COBI920</json:string></articleId><language><json:string>eng</json:string></language><originalGenre><json:string>article</json:string></originalGenre><qualityIndicators><score>7.648</score><pdfVersion>1.4</pdfVersion><pdfPageSize>594 x 783 pts</pdfPageSize><refBibsNative>true</refBibsNative><abstractCharCount>1291</abstractCharCount><pdfWordCount>6638</pdfWordCount><pdfCharCount>43862</pdfCharCount><pdfPageCount>11</pdfPageCount><abstractWordCount>179</abstractWordCount></qualityIndicators><title>Effects of Forest Fragmentation and Habitat Degradation on West African Leaf‐Litter Frogs</title><refBibs><json:item><author><json:item><name>P. 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The effects of forest fragmentation on the composition of anuran assemblages are so far poorly known. We studied the joint influence of forest fragmentation and degradation on leaf‐litter frogs. We specifically asked whether the processes structuring leaf‐litter anuran assemblages in fragmented forests are the same as those in continuous forests. We analyzed anuran assemblages with respect to habitat characteristics, including fragmentation and degradation parameters. In comparison with continuous forests, species richness and diversity were lower and assemblage composition was altered in forest fragments. These changes seemed to be mainly caused by habitat degradation rather than forest fragmentation. Availability of aquatic sites for breeding, vegetation structure (including those variables indicating degradation), and leaf‐litter cover had the most influence on the presence of single species. The comparatively small impact of fragmentation on anurans might be due to the location of the study area; it still possessed large tracts of continuous forest. These forest blocks may stabilize the regional rainforest climate and thus weaken the effects of fragmentation.</p></abstract><abstract xml:lang="es"><p>Resumen: La degradación del hábitat altera la dinámica y composición de los ensambles de anuros en los bosques tropicales. Los efectos de la fragmentación del bosque sobre la composición de ensambles de anuros son poco conocidos hasta la fecha. Estudiamos la influencia conjunta de la fragmentación y la degradación sobre ranas de la hojarasca. Específicamente nos preguntamos si los procesos que estructuran a los ensambles de anuros de la hojarasca en bosques fragmentados son los mismos que en bosques continuos. Analizamos los ensambles de anuros con respecto a las características del hábitat incluyendo parámetros de fragmentación y degradación. En comparación con los bosques continuos, la riqueza y diversidad de especies fueron menores y la composición del ensamble se alteró en los fragmentos de bosque. Estos cambios aparentemente fueron causados principalmente por la degradación del hábitat y no por la fragmentación del bosque. La disponibilidad de sitios acuáticos para reproducción, la estructura de la vegetación (incluyendo las variables indicadoras de degradación), y la cobertura de hojarasca tuvieron la mayor influencia sobre la presencia de especies individuales. El comparativamente pequeño impacto de la fragmentación sobre los anuros se puede deber a la localización del área de estudio; aun había grandes extensiones de bosque continuo. Estos bloques de bosque pueden estabilizar el clima de la región y por lo tanto debilitar los efectos de la fragmentación.</p></abstract><textClass xml:lang="en"><keywords scheme="keyword"><list><head>keywords</head><item><term>forest fragmentation</term></item><item><term>frog assemblages</term></item><item><term>habitat degradation</term></item><item><term>leaf‐litter anurans</term></item><item><term>species assemblages</term></item><item><term>Taï National Park</term></item><item><term>tropical rainforest</term></item><item><term>West Africa</term></item></list></keywords></textClass><textClass xml:lang="en"><keywords scheme="keyword"><list><head>keywords</head><item><term>África Occidental</term></item><item><term>anuros de la hojarasca</term></item><item><term>bosque tropical lluvioso</term></item><item><term>degradación de hábitat</term></item><item><term>ensambles de especies</term></item><item><term>ensambles de ranas</term></item><item><term>fragmentación de bosque</term></item><item><term>Parque Nacional Taï</term></item></list></keywords></textClass></profileDesc><revisionDesc><change when="2008-06">Published</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><extension>txt</extension><original>false</original><mimetype>text/plain</mimetype><uri>https://api.istex.fr/document/96C10EBAB3C3CF84DC0A8C1C18B6A640F301B27C/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Wiley, elements deleted: body"><istex:xmlDeclaration>version="1.0" encoding="UTF-8" standalone="yes"</istex:xmlDeclaration><istex:document><component version="2.0" type="serialArticle" xml:lang="en"><header><publicationMeta level="product"><publisherInfo><publisherName>Blackwell Publishing Inc</publisherName><publisherLoc>Malden, USA</publisherLoc></publisherInfo><doi origin="wiley" registered="yes">10.1111/(ISSN)1523-1739</doi><issn type="print">0888-8892</issn><issn type="electronic">1523-1739</issn><idGroup><id type="product" value="COBI"></id><id type="publisherDivision" value="ST"></id></idGroup><titleGroup><title type="main" sort="CONSERVATION BIOLOGY">Conservation Biology</title></titleGroup></publicationMeta><publicationMeta level="part" position="06003"><doi origin="wiley">10.1111/cbi.2008.22.issue-3</doi><numberingGroup><numbering type="journalVolume" number="22">22</numbering><numbering type="journalIssue" number="3">3</numbering></numberingGroup><coverDate startDate="2008-06">June 2008</coverDate></publicationMeta><publicationMeta level="unit" type="article" position="33" status="forIssue"><doi origin="wiley">10.1111/j.1523-1739.2008.00920.x</doi><idGroup><id type="unit" value="COBI920"></id></idGroup><countGroup><count type="pageTotal" number="11"></count></countGroup><titleGroup><title type="tocHeading1"><i>Contributed Papers</i></title></titleGroup><copyright>©2008 Society for Conservation Biology</copyright><eventGroup><event type="firstOnline" date="2008-06-28"></event><event type="publishedOnlineFinalForm" date="2008-06-28"></event><event type="xmlConverted" agent="Converter:BPG_TO_WML3G version:2.3.5 mode:FullText source:FullText result:FullText" date="2010-04-07"></event><event type="xmlConverted" agent="Converter:WILEY_ML3G_TO_WILEY_ML3GV2 version:3.8.8" date="2014-01-15"></event><event type="xmlConverted" agent="Converter:WML3G_To_WML3G version:4.1.7 mode:FullText,remove_FC" date="2014-10-17"></event></eventGroup><numberingGroup><numbering type="pageFirst" number="762">762</numbering><numbering type="pageLast" number="772">772</numbering></numberingGroup><correspondenceTo><lineatedText><line> ‡ <i>Current address: Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Kruislaan 318, 1098 SM Amsterdam, The Netherlands, email</i> hillers@science.uva.nl <email>hillers@science.uva.nl</email></line><line> § <i>Current address: Institute for Biogeography, Trier University, Am Wissenschaftspark 25‐27, 54296 Trier, Germany</i></line><line> ** <i>Current address: Museum of Natural History, Herpetology, Invalidenstr 43, 10115 Berlin, Germany</i></line></lineatedText></correspondenceTo><linkGroup><link type="toTypesetVersion" href="file:COBI.COBI920.pdf"></link></linkGroup></publicationMeta><contentMeta><unparsedEditorialHistory>Paper submitted January 29, 2007; revised manuscript accepted October 23, 2007.</unparsedEditorialHistory><countGroup><count type="figureTotal" number="2"></count><count type="tableTotal" number="4"></count><count type="formulaTotal" number="0"></count><count type="referenceTotal" number="44"></count><count type="linksCrossRef" number="121"></count></countGroup><titleGroup><title type="main">Effects of Forest Fragmentation and Habitat Degradation on West African Leaf‐Litter Frogs</title><title type="shortAuthors"><i>Hillers et al.</i></title><title type="short"><i>Frogs in Fragmented and Degraded Forests</i></title><title type="main" xml:lang="es"><!--xml:lang="es" added by WileyML 3Gv2 convertor-->Efectos de la Fragmentación de Bosques y la Degradación del Hábitat sobre Ranas de la Hojarasca en el Oeste de África</title></titleGroup><creators><creator creatorRole="author" xml:id="cr1" affiliationRef="#a1" corresponding="yes"><personName><givenNames>ANNIKA</givenNames><familyName>HILLERS</familyName></personName></creator><creator creatorRole="author" xml:id="cr2" affiliationRef="#a1" corresponding="yes"><personName><givenNames>MICHAEL</givenNames><familyName>VEITH</familyName></personName></creator><creator creatorRole="author" xml:id="cr3" affiliationRef="#a2" corresponding="yes"><personName><givenNames>MARK‐OLIVER</givenNames><familyName>RÖDEL</familyName></personName></creator></creators><affiliationGroup><affiliation xml:id="a1" countryCode="DE"><unparsedAffiliation>Department of Ecology, Institute of Zoology, Becherweg 13, 55128 Mainz, Germany</unparsedAffiliation></affiliation><affiliation xml:id="a2" countryCode="DE"><unparsedAffiliation>Department of Animal Ecology and Tropical Zoology, Theodor‐Boveri‐Institute, Biocenter of the University, Am Hubland, 97074 Würzburg, Germany</unparsedAffiliation></affiliation></affiliationGroup><keywordGroup xml:lang="en"><keyword xml:id="k1">forest fragmentation</keyword><keyword xml:id="k2">frog assemblages</keyword><keyword xml:id="k3">habitat degradation</keyword><keyword xml:id="k4">leaf‐litter anurans</keyword><keyword xml:id="k5">species assemblages</keyword><keyword xml:id="k6">Taï National Park</keyword><keyword xml:id="k7">tropical rainforest</keyword><keyword xml:id="k8">West Africa</keyword></keywordGroup><keywordGroup xml:lang="en"><keyword xml:id="k9">África Occidental</keyword><keyword xml:id="k10">anuros de la hojarasca</keyword><keyword xml:id="k11">bosque tropical lluvioso</keyword><keyword xml:id="k12">degradación de hábitat</keyword><keyword xml:id="k13">ensambles de especies</keyword><keyword xml:id="k14">ensambles de ranas</keyword><keyword xml:id="k15">fragmentación de bosque</keyword><keyword xml:id="k16">Parque Nacional Taï</keyword></keywordGroup><abstractGroup><abstract type="main" xml:lang="en"><p><b>Abstract: </b> <i>Habitat degradation alters the dynamics and composition of anuran assemblages in tropical forests. The effects of forest fragmentation on the composition of anuran assemblages are so far poorly known. We studied the joint influence of forest fragmentation and degradation on leaf‐litter frogs. We specifically asked whether the processes structuring leaf‐litter anuran assemblages in fragmented forests are the same as those in continuous forests. We analyzed anuran assemblages with respect to habitat characteristics, including fragmentation and degradation parameters. In comparison with continuous forests, species richness and diversity were lower and assemblage composition was altered in forest fragments. These changes seemed to be mainly caused by habitat degradation rather than forest fragmentation. Availability of aquatic sites for breeding, vegetation structure (including those variables indicating degradation), and leaf‐litter cover had the most influence on the presence of single species. The comparatively small impact of fragmentation on anurans might be due to the location of the study area; it still possessed large tracts of continuous forest. These forest blocks may stabilize the regional rainforest climate and thus weaken the effects of fragmentation</i>.</p></abstract><abstract type="main" xml:lang="es"><section xml:id="sec-sum-2"><p><b>Resumen: </b> <i>La degradación del hábitat altera la dinámica y composición de los ensambles de anuros en los bosques tropicales. Los efectos de la fragmentación del bosque sobre la composición de ensambles de anuros son poco conocidos hasta la fecha. Estudiamos la influencia conjunta de la fragmentación y la degradación sobre ranas de la hojarasca. Específicamente nos preguntamos si los procesos que estructuran a los ensambles de anuros de la hojarasca en bosques fragmentados son los mismos que en bosques continuos. Analizamos los ensambles de anuros con respecto a las características del hábitat incluyendo parámetros de fragmentación y degradación. En comparación con los bosques continuos, la riqueza y diversidad de especies fueron menores y la composición del ensamble se alteró en los fragmentos de bosque. Estos cambios aparentemente fueron causados principalmente por la degradación del hábitat y no por la fragmentación del bosque. La disponibilidad de sitios acuáticos para reproducción, la estructura de la vegetación (incluyendo las variables indicadoras de degradación), y la cobertura de hojarasca tuvieron la mayor influencia sobre la presencia de especies individuales. El comparativamente pequeño impacto de la fragmentación sobre los anuros se puede deber a la localización del área de estudio; aun había grandes extensiones de bosque continuo. Estos bloques de bosque pueden estabilizar el clima de la región y por lo tanto debilitar los efectos de la fragmentación</i>.</p></section></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Effects of Forest Fragmentation and Habitat Degradation on West African Leaf‐Litter Frogs</title></titleInfo><titleInfo lang="es"><title>Efectos de la Fragmentación de Bosques y la Degradación del Hábitat sobre Ranas de la Hojarasca en el Oeste de África</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>Frogs in Fragmented and Degraded Forests</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Effects of Forest Fragmentation and Habitat Degradation on West African Leaf‐Litter Frogs</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="es"><title>Efectos de la Fragmentación de Bosques y la Degradación del Hábitat sobre Ranas de la Hojarasca en el Oeste de África</title></titleInfo><name type="personal"><namePart type="given">ANNIKA</namePart><namePart type="family">HILLERS</namePart><affiliation>Department of Ecology, Institute of Zoology, Becherweg 13, 55128 Mainz, Germany</affiliation><affiliation>‡ hillers@science.uva.nl § **</affiliation><affiliation>E-mail: hillers@science.uva.nl</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">MICHAEL</namePart><namePart type="family">VEITH</namePart><affiliation>Department of Ecology, Institute of Zoology, Becherweg 13, 55128 Mainz, Germany</affiliation><affiliation>‡ hillers@science.uva.nl § **</affiliation><affiliation>E-mail: hillers@science.uva.nl</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">MARK‐OLIVER</namePart><namePart type="family">RÖDEL</namePart><affiliation>Department of Animal Ecology and Tropical Zoology, Theodor‐Boveri‐Institute, Biocenter of the University, Am Hubland, 97074 Würzburg, Germany</affiliation><affiliation>‡ hillers@science.uva.nl § **</affiliation><affiliation>E-mail: hillers@science.uva.nl</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article"></genre><originInfo><publisher>Blackwell Publishing Inc</publisher><place><placeTerm type="text">Malden, USA</placeTerm></place><dateIssued encoding="w3cdtf">2008-06</dateIssued><edition>Paper submitted January 29, 2007; revised manuscript accepted October 23, 2007.</edition><copyrightDate encoding="w3cdtf">2008</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType><extent unit="figures">2</extent><extent unit="tables">4</extent><extent unit="references">44</extent></physicalDescription><abstract>Abstract: Habitat degradation alters the dynamics and composition of anuran assemblages in tropical forests. The effects of forest fragmentation on the composition of anuran assemblages are so far poorly known. We studied the joint influence of forest fragmentation and degradation on leaf‐litter frogs. We specifically asked whether the processes structuring leaf‐litter anuran assemblages in fragmented forests are the same as those in continuous forests. We analyzed anuran assemblages with respect to habitat characteristics, including fragmentation and degradation parameters. In comparison with continuous forests, species richness and diversity were lower and assemblage composition was altered in forest fragments. These changes seemed to be mainly caused by habitat degradation rather than forest fragmentation. Availability of aquatic sites for breeding, vegetation structure (including those variables indicating degradation), and leaf‐litter cover had the most influence on the presence of single species. The comparatively small impact of fragmentation on anurans might be due to the location of the study area; it still possessed large tracts of continuous forest. These forest blocks may stabilize the regional rainforest climate and thus weaken the effects of fragmentation.</abstract><abstract lang="es">Resumen: La degradación del hábitat altera la dinámica y composición de los ensambles de anuros en los bosques tropicales. Los efectos de la fragmentación del bosque sobre la composición de ensambles de anuros son poco conocidos hasta la fecha. Estudiamos la influencia conjunta de la fragmentación y la degradación sobre ranas de la hojarasca. Específicamente nos preguntamos si los procesos que estructuran a los ensambles de anuros de la hojarasca en bosques fragmentados son los mismos que en bosques continuos. Analizamos los ensambles de anuros con respecto a las características del hábitat incluyendo parámetros de fragmentación y degradación. En comparación con los bosques continuos, la riqueza y diversidad de especies fueron menores y la composición del ensamble se alteró en los fragmentos de bosque. Estos cambios aparentemente fueron causados principalmente por la degradación del hábitat y no por la fragmentación del bosque. La disponibilidad de sitios acuáticos para reproducción, la estructura de la vegetación (incluyendo las variables indicadoras de degradación), y la cobertura de hojarasca tuvieron la mayor influencia sobre la presencia de especies individuales. El comparativamente pequeño impacto de la fragmentación sobre los anuros se puede deber a la localización del área de estudio; aun había grandes extensiones de bosque continuo. Estos bloques de bosque pueden estabilizar el clima de la región y por lo tanto debilitar los efectos de la fragmentación.</abstract><subject lang="en"><genre>keywords</genre><topic>forest fragmentation</topic><topic>frog assemblages</topic><topic>habitat degradation</topic><topic>leaf‐litter anurans</topic><topic>species assemblages</topic><topic>Taï National Park</topic><topic>tropical rainforest</topic><topic>West Africa</topic></subject><subject lang="en"><genre>keywords</genre><topic>África Occidental</topic><topic>anuros de la hojarasca</topic><topic>bosque tropical lluvioso</topic><topic>degradación de hábitat</topic><topic>ensambles de especies</topic><topic>ensambles de ranas</topic><topic>fragmentación de bosque</topic><topic>Parque Nacional Taï</topic></subject><relatedItem type="host"><titleInfo><title>Conservation Biology</title></titleInfo><genre type="journal">journal</genre><identifier type="ISSN">0888-8892</identifier><identifier type="eISSN">1523-1739</identifier><identifier type="DOI">10.1111/(ISSN)1523-1739</identifier><identifier type="PublisherID">COBI</identifier><part><date>2008</date><detail type="volume"><caption>vol.</caption><number>22</number></detail><detail type="issue"><caption>no.</caption><number>3</number></detail><extent unit="pages"><start>762</start><end>772</end><total>11</total></extent></part></relatedItem><identifier type="istex">96C10EBAB3C3CF84DC0A8C1C18B6A640F301B27C</identifier><identifier type="DOI">10.1111/j.1523-1739.2008.00920.x</identifier><identifier type="ArticleID">COBI920</identifier><accessCondition type="use and reproduction" contentType="copyright">©2008 Society for Conservation Biology</accessCondition><recordInfo><recordContentSource>WILEY</recordContentSource><recordOrigin>Blackwell Publishing Inc</recordOrigin></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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