Fagus sylvatica L. recruitment across a fragmented Mediterranean Landscape, importance of long distance effective dispersal, abiotic conditions and biotic interactions
Identifieur interne : 000501 ( Istex/Corpus ); précédent : 000500; suivant : 000502Fagus sylvatica L. recruitment across a fragmented Mediterranean Landscape, importance of long distance effective dispersal, abiotic conditions and biotic interactions
Auteurs : Georges Kunstler ; Wilfried Thuiller ; Thomas Curt ; Monique Bouchaud ; René Jouvie ; Florian Deruette ; Jacques LepartSource :
- Diversity and Distributions [ 1366-9516 ] ; 2007-11.
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Abstract
Native tree populations have been fragmented by anthropogenic disturbance worldwide, leaving them at risk from extinction. The possibility of sizable recovery of fragmented populations is a function of their dispersal, the abiotic conditions, and the biotic interactions. The relative importance of these three drivers for the recruitment rate of a fragmented population of the late‐successional Fagus sylvatica L. was analysed at the landscape scale in Causse du Larzac, southern margins of the Massif Central, in the South of France. We used regression models on observational data to analyse the response of Fagus recruitment rate to the distance to the nearest mature population, to climatic and geological variables, and to variables describing biotic interactions (pine vs. grassland, light, shrub cover). Distance to the nearest F. sylvatica adult population was the most important explanatory variable. Recruitment rate was also influenced by facilitative biotic interactions with shrubs, and by the climatic conditions of the plot. Recruitment occurred at a greater distance from the nearest mature population of Fagus in pine forests than in grassland. Dispersal was the major limitation to recruitment of F. sylvatica in this landscape. The recruitment rate was then modulated by the climate and positive biotic interactions. The activity of the European jay could be of great importance for such fragmented populations, because it can lead to long‐distance dispersal events and may result in a preferential dispersal towards pine forests.
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DOI: 10.1111/j.1472-4642.2007.00404.x
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ISTEX:C64CA2B8A8CB06D9FE42B75E3964DC9525EA7030Le document en format XML
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last="Bouchaud">Monique Bouchaud</name><affiliation><mods:affiliation>Cemagref, Equipe Ecologie appliquée des écosystèmes boisés, 24 Avenue des Landais, BP 50085, 63172 Aubière Cedex, France,</mods:affiliation></affiliation></author><author><name sortKey="Jouvie, Rene" sort="Jouvie, Rene" uniqKey="Jouvie R" first="René" last="Jouvie">René Jouvie</name><affiliation><mods:affiliation>Cemagref, Equipe Ecologie appliquée des écosystèmes boisés, 24 Avenue des Landais, BP 50085, 63172 Aubière Cedex, France,</mods:affiliation></affiliation></author><author><name sortKey="Deruette, Florian" sort="Deruette, Florian" uniqKey="Deruette F" first="Florian" last="Deruette">Florian Deruette</name><affiliation><mods:affiliation>CNRS, Centre d’Ecologie Fonctionnelle et Evolutive, 1919 Route de Mende, 34293 Montpellier Cedex 05, France,</mods:affiliation></affiliation></author><author><name sortKey="Lepart, Jacques" sort="Lepart, Jacques" uniqKey="Lepart J" first="Jacques" last="Lepart">Jacques 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type="ISSN">1366-9516</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Climate</term><term>Fagus sylvatica</term><term>dispersal</term><term>facilitation</term><term>fragmentation</term><term>recruitment</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Native tree populations have been fragmented by anthropogenic disturbance worldwide, leaving them at risk from extinction. The possibility of sizable recovery of fragmented populations is a function of their dispersal, the abiotic conditions, and the biotic interactions. The relative importance of these three drivers for the recruitment rate of a fragmented population of the late‐successional Fagus sylvatica L. was analysed at the landscape scale in Causse du Larzac, southern margins of the Massif Central, in the South of France. We used regression models on observational data to analyse the response of Fagus recruitment rate to the distance to the nearest mature population, to climatic and geological variables, and to variables describing biotic interactions (pine vs. grassland, light, shrub cover). Distance to the nearest F. sylvatica adult population was the most important explanatory variable. Recruitment rate was also influenced by facilitative biotic interactions with shrubs, and by the climatic conditions of the plot. Recruitment occurred at a greater distance from the nearest mature population of Fagus in pine forests than in grassland. Dispersal was the major limitation to recruitment of F. sylvatica in this landscape. The recruitment rate was then modulated by the climate and positive biotic interactions. The activity of the European jay could be of great importance for such fragmented populations, because it can lead to long‐distance dispersal events and may result in a preferential dispersal towards pine forests.</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>Georges Kunstler</name><affiliations><json:string>Cemagref, Equipe Ecologie appliquée des écosystèmes boisés, 24 Avenue des Landais, BP 50085, 63172 Aubière Cedex, France,</json:string><json:string>CNRS, Centre d’Ecologie Fonctionnelle et Evolutive, 1919 Route de Mende, 34293 Montpellier Cedex 05, France,</json:string><json:string>E-mail: georges.kunstler@grenoble.cemagref.fr</json:string></affiliations></json:item><json:item><name>Wilfried Thuiller</name><affiliations><json:string>Laboratoire d’Ecologie Alpine, UMR‐CNRS 5553, Université Joseph Fourier, BP 53, 38041 Grenoble Cedex 9, France</json:string></affiliations></json:item><json:item><name>Thomas Curt</name><affiliations><json:string>Cemagref, Equipe Ecologie appliquée des écosystèmes boisés, 24 Avenue des Landais, BP 50085, 63172 Aubière Cedex, France,</json:string></affiliations></json:item><json:item><name>Monique Bouchaud</name><affiliations><json:string>Cemagref, Equipe Ecologie appliquée des écosystèmes boisés, 24 Avenue des Landais, BP 50085, 63172 Aubière Cedex, France,</json:string></affiliations></json:item><json:item><name>René Jouvie</name><affiliations><json:string>Cemagref, Equipe Ecologie appliquée des écosystèmes boisés, 24 Avenue des Landais, BP 50085, 63172 Aubière Cedex, France,</json:string></affiliations></json:item><json:item><name>Florian Deruette</name><affiliations><json:string>CNRS, Centre d’Ecologie Fonctionnelle et Evolutive, 1919 Route de Mende, 34293 Montpellier Cedex 05, France,</json:string></affiliations></json:item><json:item><name>Jacques Lepart</name><affiliations><json:string>CNRS, Centre d’Ecologie Fonctionnelle et Evolutive, 1919 Route de Mende, 34293 Montpellier Cedex 05, France,</json:string></affiliations></json:item></author><subject><json:item><lang><json:string>eng</json:string></lang><value>Climate</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>dispersal</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>facilitation</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Fagus sylvatica</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>fragmentation</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>recruitment</value></json:item></subject><articleId><json:string>DDI404</json:string></articleId><language><json:string>eng</json:string></language><originalGenre><json:string>article</json:string></originalGenre><abstract>Native tree populations have been fragmented by anthropogenic disturbance worldwide, leaving them at risk from extinction. The possibility of sizable recovery of fragmented populations is a function of their dispersal, the abiotic conditions, and the biotic interactions. The relative importance of these three drivers for the recruitment rate of a fragmented population of the late‐successional Fagus sylvatica L. was analysed at the landscape scale in Causse du Larzac, southern margins of the Massif Central, in the South of France. We used regression models on observational data to analyse the response of Fagus recruitment rate to the distance to the nearest mature population, to climatic and geological variables, and to variables describing biotic interactions (pine vs. grassland, light, shrub cover). Distance to the nearest F. sylvatica adult population was the most important explanatory variable. Recruitment rate was also influenced by facilitative biotic interactions with shrubs, and by the climatic conditions of the plot. Recruitment occurred at a greater distance from the nearest mature population of Fagus in pine forests than in grassland. Dispersal was the major limitation to recruitment of F. sylvatica in this landscape. The recruitment rate was then modulated by the climate and positive biotic interactions. The activity of the European jay could be of great importance for such fragmented populations, because it can lead to long‐distance dispersal events and may result in a preferential dispersal towards pine forests.</abstract><qualityIndicators><score>7.748</score><pdfVersion>1.3</pdfVersion><pdfPageSize>595 x 782 pts</pdfPageSize><refBibsNative>true</refBibsNative><abstractCharCount>1550</abstractCharCount><pdfWordCount>6532</pdfWordCount><pdfCharCount>40270</pdfCharCount><pdfPageCount>9</pdfPageCount><abstractWordCount>229</abstractWordCount></qualityIndicators><title>Fagus sylvatica L. recruitment across a fragmented Mediterranean Landscape, importance of long distance effective dispersal, abiotic conditions and biotic interactions</title><refBibs><json:item><author><json:item><name>M.P. 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sciences</json:string><json:string>biology</json:string><json:string>ecology</json:string></scienceMetrix></categories><publicationDate>2007</publicationDate><copyrightDate>2007</copyrightDate><doi><json:string>10.1111/j.1472-4642.2007.00404.x</json:string></doi><id>C64CA2B8A8CB06D9FE42B75E3964DC9525EA7030</id><score>1</score><fulltext><json:item><extension>pdf</extension><original>true</original><mimetype>application/pdf</mimetype><uri>https://api.istex.fr/document/C64CA2B8A8CB06D9FE42B75E3964DC9525EA7030/fulltext/pdf</uri></json:item><json:item><extension>zip</extension><original>false</original><mimetype>application/zip</mimetype><uri>https://api.istex.fr/document/C64CA2B8A8CB06D9FE42B75E3964DC9525EA7030/fulltext/zip</uri></json:item><istex:fulltextTEI uri="https://api.istex.fr/document/C64CA2B8A8CB06D9FE42B75E3964DC9525EA7030/fulltext/tei"><teiHeader><fileDesc><titleStmt><title level="a" type="main" xml:lang="en">Fagus sylvatica L. recruitment across a fragmented Mediterranean Landscape, importance of long distance effective dispersal, abiotic conditions and biotic interactions</title></titleStmt><publicationStmt><authority>ISTEX</authority><publisher>Blackwell Publishing Ltd</publisher><pubPlace>Oxford, UK</pubPlace><availability><p>WILEY</p></availability><date>2007</date></publicationStmt><sourceDesc><biblStruct type="inbook"><analytic><title level="a" type="main" xml:lang="en">Fagus sylvatica L. recruitment across a fragmented Mediterranean Landscape, importance of long distance effective dispersal, abiotic conditions and biotic interactions</title><author xml:id="author-1"><persName><forename type="first">Georges</forename><surname>Kunstler</surname></persName><email>georges.kunstler@grenoble.cemagref.fr</email><affiliation>Cemagref, Equipe Ecologie appliquée des écosystèmes boisés, 24 Avenue des Landais, BP 50085, 63172 Aubière Cedex, France,</affiliation><affiliation>CNRS, Centre d’Ecologie Fonctionnelle et Evolutive, 1919 Route de Mende, 34293 Montpellier Cedex 05, France,</affiliation></author><author xml:id="author-2"><persName><forename type="first">Wilfried</forename><surname>Thuiller</surname></persName><affiliation>Laboratoire d’Ecologie Alpine, UMR‐CNRS 5553, Université Joseph Fourier, BP 53, 38041 Grenoble Cedex 9, France</affiliation></author><author xml:id="author-3"><persName><forename type="first">Thomas</forename><surname>Curt</surname></persName><affiliation>Cemagref, Equipe Ecologie appliquée des écosystèmes boisés, 24 Avenue des Landais, BP 50085, 63172 Aubière Cedex, France,</affiliation></author><author xml:id="author-4"><persName><forename type="first">Monique</forename><surname>Bouchaud</surname></persName><affiliation>Cemagref, Equipe Ecologie appliquée des écosystèmes boisés, 24 Avenue des Landais, BP 50085, 63172 Aubière Cedex, France,</affiliation></author><author xml:id="author-5"><persName><forename type="first">René</forename><surname>Jouvie</surname></persName><affiliation>Cemagref, Equipe Ecologie appliquée des écosystèmes boisés, 24 Avenue des Landais, BP 50085, 63172 Aubière Cedex, France,</affiliation></author><author xml:id="author-6"><persName><forename type="first">Florian</forename><surname>Deruette</surname></persName><affiliation>CNRS, Centre d’Ecologie Fonctionnelle et Evolutive, 1919 Route de Mende, 34293 Montpellier Cedex 05, France,</affiliation></author><author xml:id="author-7"><persName><forename type="first">Jacques</forename><surname>Lepart</surname></persName><affiliation>CNRS, Centre d’Ecologie Fonctionnelle et Evolutive, 1919 Route de Mende, 34293 Montpellier Cedex 05, France,</affiliation></author></analytic><monogr><title level="j">Diversity and Distributions</title><idno type="pISSN">1366-9516</idno><idno type="eISSN">1472-4642</idno><idno type="DOI">10.1111/(ISSN)1472-4642</idno><imprint><publisher>Blackwell Publishing Ltd</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="2007-11"></date><biblScope unit="volume">13</biblScope><biblScope unit="issue">6</biblScope><biblScope unit="page" from="799">799</biblScope><biblScope unit="page" to="807">807</biblScope></imprint></monogr><idno type="istex">C64CA2B8A8CB06D9FE42B75E3964DC9525EA7030</idno><idno type="DOI">10.1111/j.1472-4642.2007.00404.x</idno><idno type="ArticleID">DDI404</idno></biblStruct></sourceDesc></fileDesc><profileDesc><creation><date>2007</date></creation><langUsage><language ident="en">en</language></langUsage><abstract xml:lang="en"><p>Native tree populations have been fragmented by anthropogenic disturbance worldwide, leaving them at risk from extinction. The possibility of sizable recovery of fragmented populations is a function of their dispersal, the abiotic conditions, and the biotic interactions. The relative importance of these three drivers for the recruitment rate of a fragmented population of the late‐successional Fagus sylvatica L. was analysed at the landscape scale in Causse du Larzac, southern margins of the Massif Central, in the South of France. We used regression models on observational data to analyse the response of Fagus recruitment rate to the distance to the nearest mature population, to climatic and geological variables, and to variables describing biotic interactions (pine vs. grassland, light, shrub cover). Distance to the nearest F. sylvatica adult population was the most important explanatory variable. Recruitment rate was also influenced by facilitative biotic interactions with shrubs, and by the climatic conditions of the plot. Recruitment occurred at a greater distance from the nearest mature population of Fagus in pine forests than in grassland. Dispersal was the major limitation to recruitment of F. sylvatica in this landscape. The recruitment rate was then modulated by the climate and positive biotic interactions. The activity of the European jay could be of great importance for such fragmented populations, because it can lead to long‐distance dispersal events and may result in a preferential dispersal towards pine forests.</p></abstract><textClass xml:lang="en"><keywords scheme="keyword"><list><head>keywords</head><item><term>Climate</term></item><item><term>dispersal</term></item><item><term>facilitation</term></item><item><term>Fagus sylvatica</term></item><item><term>fragmentation</term></item><item><term>recruitment</term></item></list></keywords></textClass></profileDesc><revisionDesc><change when="2007-11">Published</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><extension>txt</extension><original>false</original><mimetype>text/plain</mimetype><uri>https://api.istex.fr/document/C64CA2B8A8CB06D9FE42B75E3964DC9525EA7030/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 Ltd</publisherName><publisherLoc>Oxford, UK</publisherLoc></publisherInfo><doi origin="wiley" registered="yes">10.1111/(ISSN)1472-4642</doi><issn type="print">1366-9516</issn><issn type="electronic">1472-4642</issn><idGroup><id type="product" value="DDI"></id><id type="publisherDivision" value="ST"></id></idGroup><titleGroup><title type="main" sort="DIVERSITY DISTRIBUTIONS">Diversity and Distributions</title></titleGroup></publicationMeta><publicationMeta level="part" position="11006"><doi origin="wiley">10.1111/ddi.2007.13.issue-6</doi><numberingGroup><numbering type="journalVolume" number="13">13</numbering><numbering type="journalIssue" number="6">6</numbering></numberingGroup><coverDate startDate="2007-11">November 2007</coverDate></publicationMeta><publicationMeta level="unit" type="article" position="16" status="forIssue"><doi origin="wiley">10.1111/j.1472-4642.2007.00404.x</doi><idGroup><id type="unit" value="DDI404"></id></idGroup><countGroup><count type="pageTotal" number="9"></count></countGroup><titleGroup><title type="tocHeading1">Biodiversity Research</title></titleGroup><eventGroup><event type="firstOnline" date="2007-10-09"></event><event type="publishedOnlineFinalForm" date="2007-10-09"></event><event type="xmlConverted" agent="Converter:BPG_TO_WML3G version:2.3.15 mode:FullText" date="2010-07-19"></event><event type="xmlConverted" agent="Converter:WILEY_ML3G_TO_WILEY_ML3GV2 version:3.8.8" date="2014-01-17"></event><event type="xmlConverted" agent="Converter:WML3G_To_WML3G version:4.1.7 mode:FullText,remove_FC" date="2014-10-16"></event></eventGroup><numberingGroup><numbering type="pageFirst" number="799">799</numbering><numbering type="pageLast" number="807">807</numbering></numberingGroup><correspondenceTo> Correspondence: Georges Kunstler, Cemagref – Unité de Recherche Ecosystèmes Montagnards, 2, rue de la Papeterie, BP 76, 38402 St‐Martin‐D’Heres Cedex, France. E‐mail: <email>georges.kunstler@grenoble.cemagref.fr</email></correspondenceTo><linkGroup><link type="toTypesetVersion" href="file:DDI.DDI404.pdf"></link></linkGroup></publicationMeta><contentMeta><countGroup><count type="figureTotal" number="3"></count><count type="tableTotal" number="1"></count><count type="formulaTotal" number="0"></count><count type="referenceTotal" number="62"></count><count type="wordTotal" number="5131"></count></countGroup><titleGroup><title type="main"><i>Fagus sylvatica</i> L. recruitment across a fragmented Mediterranean Landscape, importance of long distance effective dispersal, abiotic conditions and biotic interactions</title><title type="shortAuthors">G. Kunstler <i>et al.</i></title><title type="short"><i>Fagus sylvatica</i> L. recruitment across a fragmented Mediterranean Landscape</title></titleGroup><creators><creator creatorRole="author" xml:id="cr1" affiliationRef="#a1 #a2" corresponding="yes"><personName><givenNames>Georges</givenNames><familyName>Kunstler</familyName></personName></creator><creator creatorRole="author" xml:id="cr2" affiliationRef="#a3"><personName><givenNames>Wilfried</givenNames><familyName>Thuiller</familyName></personName></creator><creator creatorRole="author" xml:id="cr3" affiliationRef="#a1"><personName><givenNames>Thomas</givenNames><familyName>Curt</familyName></personName></creator><creator creatorRole="author" xml:id="cr4" affiliationRef="#a1"><personName><givenNames>Monique</givenNames><familyName>Bouchaud</familyName></personName></creator><creator creatorRole="author" xml:id="cr5" affiliationRef="#a1"><personName><givenNames>René</givenNames><familyName>Jouvie</familyName></personName></creator><creator creatorRole="author" xml:id="cr6" affiliationRef="#a2"><personName><givenNames>Florian</givenNames><familyName>Deruette</familyName></personName></creator><creator creatorRole="author" xml:id="cr7" affiliationRef="#a2"><personName><givenNames>Jacques</givenNames><familyName>Lepart</familyName></personName></creator></creators><affiliationGroup><affiliation xml:id="a1" countryCode="FR"><unparsedAffiliation>Cemagref, Equipe Ecologie appliquée des écosystèmes boisés, 24 Avenue des Landais, BP 50085, 63172 Aubière Cedex, France,</unparsedAffiliation></affiliation><affiliation xml:id="a2" countryCode="FR"><unparsedAffiliation>CNRS, Centre d’Ecologie Fonctionnelle et Evolutive, 1919 Route de Mende, 34293 Montpellier Cedex 05, France,</unparsedAffiliation></affiliation><affiliation xml:id="a3" countryCode="FR"><unparsedAffiliation>Laboratoire d’Ecologie Alpine, UMR‐CNRS 5553, Université Joseph Fourier, BP 53, 38041 Grenoble Cedex 9, France</unparsedAffiliation></affiliation></affiliationGroup><keywordGroup xml:lang="en"><keyword xml:id="k1">Climate</keyword><keyword xml:id="k2">dispersal</keyword><keyword xml:id="k3">facilitation</keyword><keyword xml:id="k4"><i>Fagus sylvatica</i></keyword><keyword xml:id="k5">fragmentation</keyword><keyword xml:id="k6">recruitment</keyword></keywordGroup><abstractGroup><abstract type="main" xml:lang="en"><title type="main">ABSTRACT</title><p>Native tree populations have been fragmented by anthropogenic disturbance worldwide, leaving them at risk from extinction. The possibility of sizable recovery of fragmented populations is a function of their dispersal, the abiotic conditions, and the biotic interactions. The relative importance of these three drivers for the recruitment rate of a fragmented population of the late‐successional <i>Fagus sylvatica</i> L. was analysed at the landscape scale in Causse du Larzac, southern margins of the Massif Central, in the South of France. We used regression models on observational data to analyse the response of <i>Fagus</i> recruitment rate to the distance to the nearest mature population, to climatic and geological variables, and to variables describing biotic interactions (pine vs. grassland, light, shrub cover). Distance to the nearest <i>F. sylvatica</i> adult population was the most important explanatory variable. Recruitment rate was also influenced by facilitative biotic interactions with shrubs, and by the climatic conditions of the plot. Recruitment occurred at a greater distance from the nearest mature population of <i>Fagus</i> in pine forests than in grassland. Dispersal was the major limitation to recruitment of <i>F. sylvatica</i> in this landscape. The recruitment rate was then modulated by the climate and positive biotic interactions. The activity of the European jay could be of great importance for such fragmented populations, because it can lead to long‐distance dispersal events and may result in a preferential dispersal towards pine forests.</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Fagus sylvatica L. recruitment across a fragmented Mediterranean Landscape, importance of long distance effective dispersal, abiotic conditions and biotic interactions</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>Fagus sylvatica L. recruitment across a fragmented Mediterranean Landscape</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Fagus sylvatica L. recruitment across a fragmented Mediterranean Landscape, importance of long distance effective dispersal, abiotic conditions and biotic interactions</title></titleInfo><name type="personal"><namePart type="given">Georges</namePart><namePart type="family">Kunstler</namePart><affiliation>Cemagref, Equipe Ecologie appliquée des écosystèmes boisés, 24 Avenue des Landais, BP 50085, 63172 Aubière Cedex, France,</affiliation><affiliation>CNRS, Centre d’Ecologie Fonctionnelle et Evolutive, 1919 Route de Mende, 34293 Montpellier Cedex 05, France,</affiliation><affiliation>E-mail: georges.kunstler@grenoble.cemagref.fr</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Wilfried</namePart><namePart type="family">Thuiller</namePart><affiliation>Laboratoire d’Ecologie Alpine, UMR‐CNRS 5553, Université Joseph Fourier, BP 53, 38041 Grenoble Cedex 9, France</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Thomas</namePart><namePart type="family">Curt</namePart><affiliation>Cemagref, Equipe Ecologie appliquée des écosystèmes boisés, 24 Avenue des Landais, BP 50085, 63172 Aubière Cedex, France,</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Monique</namePart><namePart type="family">Bouchaud</namePart><affiliation>Cemagref, Equipe Ecologie appliquée des écosystèmes boisés, 24 Avenue des Landais, BP 50085, 63172 Aubière Cedex, France,</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">René</namePart><namePart type="family">Jouvie</namePart><affiliation>Cemagref, Equipe Ecologie appliquée des écosystèmes boisés, 24 Avenue des Landais, BP 50085, 63172 Aubière Cedex, France,</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Florian</namePart><namePart type="family">Deruette</namePart><affiliation>CNRS, Centre d’Ecologie Fonctionnelle et Evolutive, 1919 Route de Mende, 34293 Montpellier Cedex 05, France,</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Jacques</namePart><namePart type="family">Lepart</namePart><affiliation>CNRS, Centre d’Ecologie Fonctionnelle et Evolutive, 1919 Route de Mende, 34293 Montpellier Cedex 05, France,</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article"></genre><originInfo><publisher>Blackwell Publishing Ltd</publisher><place><placeTerm type="text">Oxford, UK</placeTerm></place><dateIssued encoding="w3cdtf">2007-11</dateIssued><copyrightDate encoding="w3cdtf">2007</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">3</extent><extent unit="tables">1</extent><extent unit="references">62</extent><extent unit="words">5131</extent></physicalDescription><abstract lang="en">Native tree populations have been fragmented by anthropogenic disturbance worldwide, leaving them at risk from extinction. The possibility of sizable recovery of fragmented populations is a function of their dispersal, the abiotic conditions, and the biotic interactions. The relative importance of these three drivers for the recruitment rate of a fragmented population of the late‐successional Fagus sylvatica L. was analysed at the landscape scale in Causse du Larzac, southern margins of the Massif Central, in the South of France. We used regression models on observational data to analyse the response of Fagus recruitment rate to the distance to the nearest mature population, to climatic and geological variables, and to variables describing biotic interactions (pine vs. grassland, light, shrub cover). Distance to the nearest F. sylvatica adult population was the most important explanatory variable. Recruitment rate was also influenced by facilitative biotic interactions with shrubs, and by the climatic conditions of the plot. Recruitment occurred at a greater distance from the nearest mature population of Fagus in pine forests than in grassland. Dispersal was the major limitation to recruitment of F. sylvatica in this landscape. The recruitment rate was then modulated by the climate and positive biotic interactions. The activity of the European jay could be of great importance for such fragmented populations, because it can lead to long‐distance dispersal events and may result in a preferential dispersal towards pine forests.</abstract><subject lang="en"><genre>keywords</genre><topic>Climate</topic><topic>dispersal</topic><topic>facilitation</topic><topic>Fagus sylvatica</topic><topic>fragmentation</topic><topic>recruitment</topic></subject><relatedItem type="host"><titleInfo><title>Diversity and Distributions</title></titleInfo><genre type="journal">journal</genre><identifier type="ISSN">1366-9516</identifier><identifier type="eISSN">1472-4642</identifier><identifier type="DOI">10.1111/(ISSN)1472-4642</identifier><identifier type="PublisherID">DDI</identifier><part><date>2007</date><detail type="volume"><caption>vol.</caption><number>13</number></detail><detail type="issue"><caption>no.</caption><number>6</number></detail><extent unit="pages"><start>799</start><end>807</end><total>9</total></extent></part></relatedItem><identifier type="istex">C64CA2B8A8CB06D9FE42B75E3964DC9525EA7030</identifier><identifier type="DOI">10.1111/j.1472-4642.2007.00404.x</identifier><identifier type="ArticleID">DDI404</identifier><recordInfo><recordContentSource>WILEY</recordContentSource><recordOrigin>Blackwell Publishing Ltd</recordOrigin></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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