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Habitat quality as a predictor of spatial variation in blue tit reproductive performance: a multi-plot analysis in a heterogeneous landscape

Identifieur interne : 000160 ( France/Analysis ); précédent : 000159; suivant : 000161

Habitat quality as a predictor of spatial variation in blue tit reproductive performance: a multi-plot analysis in a heterogeneous landscape

Auteurs : Marcel M. Lambrechts [France] ; Samuel Caro [France, Belgique] ; Anne Charmantier [France] ; Nicolas Gross [France] ; Marie-Jo Galan [France] ; Philippe Perret [France] ; Mireille Cartan-Son [France] ; Paula C. Dias [France] ; Jacques Blondel [France] ; Donald W. Thomas [Canada]

Source :

RBID : Pascal:05-0159203

Descripteurs français

English descriptors

Abstract

Vertebrate studies have rarely investigated the influence of spatial variation in habitat richness on both short-term (breeding) and long-term (offspring recruitment) reproductive performance using simultaneously multi-patch, multi-habitat type and multi-year approaches at landscape level. Here we present results of such an approach using the influence of two oak tree (Quercus ilex, Q. humilis) species on reproductive performance in Corsican blue tits (Parus caeruleus ogliastrae) as a model system. We found that blue tits breeding in rich broad-leaved deciduous patches consistently laid eggs earlier in the season, and produced larger clutches and more fledglings of higher quality, than those breeding in poor evergreen patches. Also, parents, especially males, were in better physical condition in the broad-leaved deciduous than in the evergreen patches. Surprisingly, estimates of long-term effects of reproduction, such as recruitment rates of locally born offspring, did not differ between the two habitat types. Our results suggest that short-term breeding performance and phenotypic quality of both chicks and parents do not necessarily provide reliable information about contributions to following generations at a scale larger than that of the local study plot. Differences in reproductive performance between the two oak habitat types could not be attributed to density-dependent effects, differences in levels of nest predation, or differences in age structure of the birds. We suggest that habitats that are optimal for breeding are not necessarily optimal for survival after the breeding season.


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Pascal:05-0159203

Le document en format XML

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<title level="j" type="main">Oecologia</title>
<title level="j" type="abbreviated">Oecologia</title>
<idno type="ISSN">0029-8549</idno>
<imprint>
<date when="2004">2004</date>
</imprint>
</series>
</biblStruct>
</sourceDesc>
<seriesStmt>
<title level="j" type="main">Oecologia</title>
<title level="j" type="abbreviated">Oecologia</title>
<idno type="ISSN">0029-8549</idno>
</seriesStmt>
</fileDesc>
<profileDesc>
<textClass>
<keywords scheme="KwdEn" xml:lang="en">
<term>Animal population</term>
<term>Breeding success</term>
<term>Environment quality</term>
<term>Environmental factor</term>
<term>Habitat</term>
<term>Landscape</term>
<term>Parus caeruleus</term>
<term>Plot</term>
<term>Predation</term>
<term>Quercus</term>
<term>Reproduction</term>
<term>Spatial variation</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr">
<term>Qualité environnement</term>
<term>Habitat</term>
<term>Variation spatiale</term>
<term>Succès reproducteur</term>
<term>Parcelle</term>
<term>Paysage</term>
<term>Prédation</term>
<term>Reproduction</term>
<term>Population animale</term>
<term>Facteur milieu</term>
<term>Quercus</term>
<term>Parus caeruleus</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr">
<term>Habitat</term>
<term>Parcelle</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front>
<div type="abstract" xml:lang="en">Vertebrate studies have rarely investigated the influence of spatial variation in habitat richness on both short-term (breeding) and long-term (offspring recruitment) reproductive performance using simultaneously multi-patch, multi-habitat type and multi-year approaches at landscape level. Here we present results of such an approach using the influence of two oak tree (Quercus ilex, Q. humilis) species on reproductive performance in Corsican blue tits (Parus caeruleus ogliastrae) as a model system. We found that blue tits breeding in rich broad-leaved deciduous patches consistently laid eggs earlier in the season, and produced larger clutches and more fledglings of higher quality, than those breeding in poor evergreen patches. Also, parents, especially males, were in better physical condition in the broad-leaved deciduous than in the evergreen patches. Surprisingly, estimates of long-term effects of reproduction, such as recruitment rates of locally born offspring, did not differ between the two habitat types. Our results suggest that short-term breeding performance and phenotypic quality of both chicks and parents do not necessarily provide reliable information about contributions to following generations at a scale larger than that of the local study plot. Differences in reproductive performance between the two oak habitat types could not be attributed to density-dependent effects, differences in levels of nest predation, or differences in age structure of the birds. We suggest that habitats that are optimal for breeding are not necessarily optimal for survival after the breeding season.</div>
</front>
</TEI>
<affiliations>
<list>
<country>
<li>Belgique</li>
<li>Canada</li>
<li>France</li>
</country>
<region>
<li>Languedoc-Roussillon</li>
<li>Occitanie (région administrative)</li>
<li>Province de Liège</li>
<li>Région wallonne</li>
</region>
<settlement>
<li>Liège</li>
<li>Montpellier</li>
</settlement>
<orgName>
<li>Université de Liège</li>
</orgName>
</list>
<tree>
<country name="France">
<region name="Occitanie (région administrative)">
<name sortKey="Lambrechts, Marcel M" sort="Lambrechts, Marcel M" uniqKey="Lambrechts M" first="Marcel M." last="Lambrechts">Marcel M. Lambrechts</name>
</region>
<name sortKey="Blondel, Jacques" sort="Blondel, Jacques" uniqKey="Blondel J" first="Jacques" last="Blondel">Jacques Blondel</name>
<name sortKey="Caro, Samuel" sort="Caro, Samuel" uniqKey="Caro S" first="Samuel" last="Caro">Samuel Caro</name>
<name sortKey="Cartan Son, Mireille" sort="Cartan Son, Mireille" uniqKey="Cartan Son M" first="Mireille" last="Cartan-Son">Mireille Cartan-Son</name>
<name sortKey="Charmantier, Anne" sort="Charmantier, Anne" uniqKey="Charmantier A" first="Anne" last="Charmantier">Anne Charmantier</name>
<name sortKey="Dias, Paula C" sort="Dias, Paula C" uniqKey="Dias P" first="Paula C." last="Dias">Paula C. Dias</name>
<name sortKey="Galan, Marie Jo" sort="Galan, Marie Jo" uniqKey="Galan M" first="Marie-Jo" last="Galan">Marie-Jo Galan</name>
<name sortKey="Gross, Nicolas" sort="Gross, Nicolas" uniqKey="Gross N" first="Nicolas" last="Gross">Nicolas Gross</name>
<name sortKey="Perret, Philippe" sort="Perret, Philippe" uniqKey="Perret P" first="Philippe" last="Perret">Philippe Perret</name>
</country>
<country name="Belgique">
<region name="Région wallonne">
<name sortKey="Caro, Samuel" sort="Caro, Samuel" uniqKey="Caro S" first="Samuel" last="Caro">Samuel Caro</name>
</region>
</country>
<country name="Canada">
<noRegion>
<name sortKey="Thomas, Donald W" sort="Thomas, Donald W" uniqKey="Thomas D" first="Donald W." last="Thomas">Donald W. Thomas</name>
</noRegion>
</country>
</tree>
</affiliations>
</record>

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