Space heterogeneity, space use and short-range dispersal in Diptera: A case study
Identifieur interne : 001149 ( Istex/Checkpoint ); précédent : 001148; suivant : 001150Space heterogeneity, space use and short-range dispersal in Diptera: A case study
Auteurs : Yannick Delettre [France] ; Paul Tréhen [France] ; Patrick Grootaert [Belgique]Source :
- Landscape Ecology [ 0921-2973 ] ; 1992-02-01.
Abstract
Abstract: This study investigates the impact of landscape heterogeneity on community structure and population dynamics in two families of Diptera (Empididae and Chironomidae). Adult emergence is compared with aerial flow by means of emergence traps and yellow traps on a transect across four habitats (pond banks, woodland, grassland and heathland) in close proximity to each other. Empids use different space units according to their larval development, sexual behaviour and food requirements. This creates an intermingling of species and individuals originating from different habitats in the lowest part of the transect. Adult chironomids of aquatic species exhibit a preferential use of open habitats while adults with terrestrial larvae disperse largely above the four sites. Habitat fragmentation and heterogeneity lead to opposite patterns in chironomid distribution: some species disperse over the whole set of macrohabitats but others are confined to a single patch, resulting in population isolation. The impact of spatial and temporal landscape patterning is discussed with a view to community structure, life-history tactics and population dynamics.
Url:
DOI: 10.1007/BF00130029
Affiliations:
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<record><TEI wicri:istexFullTextTei="biblStruct"><teiHeader><fileDesc><titleStmt><title xml:lang="en">Space heterogeneity, space use and short-range dispersal in Diptera: A case study</title><author><name sortKey="Delettre, Yannick" sort="Delettre, Yannick" uniqKey="Delettre Y" first="Yannick" last="Delettre">Yannick Delettre</name></author><author><name sortKey="Trehen, Paul" sort="Trehen, Paul" uniqKey="Trehen P" first="Paul" last="Tréhen">Paul Tréhen</name></author><author><name sortKey="Grootaert, Patrick" sort="Grootaert, Patrick" uniqKey="Grootaert P" first="Patrick" last="Grootaert">Patrick Grootaert</name></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:3B3167546803DC2D62DAF753E14AC71376D83A33</idno><date when="1992" year="1992">1992</date><idno type="doi">10.1007/BF00130029</idno><idno type="url">https://api.istex.fr/document/3B3167546803DC2D62DAF753E14AC71376D83A33/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">000D79</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Corpus" wicri:corpus="ISTEX">000D79</idno><idno type="wicri:Area/Istex/Curation">000D79</idno><idno type="wicri:Area/Istex/Checkpoint">001149</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Checkpoint">001149</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Space heterogeneity, space use and short-range dispersal in Diptera: A case study</title><author><name sortKey="Delettre, Yannick" sort="Delettre, Yannick" uniqKey="Delettre Y" first="Yannick" last="Delettre">Yannick Delettre</name><affiliation wicri:level="3"><country xml:lang="fr">France</country><wicri:regionArea>University of Rennes I/CNRS (URA 696), Soil Ecology and Population Biology Laboratory, Paimpont Biological Station, F-35380, Plélan-le-Grand</wicri:regionArea><placeName><region type="region" nuts="2">Région Bretagne</region><settlement type="city">Plélan-le-Grand</settlement></placeName></affiliation></author><author><name sortKey="Trehen, Paul" sort="Trehen, Paul" uniqKey="Trehen P" first="Paul" last="Tréhen">Paul Tréhen</name><affiliation wicri:level="3"><country xml:lang="fr">France</country><wicri:regionArea>University of Rennes I/CNRS (URA 696), Soil Ecology and Population Biology Laboratory, Paimpont Biological Station, F-35380, Plélan-le-Grand</wicri:regionArea><placeName><region type="region" nuts="2">Région Bretagne</region><settlement type="city">Plélan-le-Grand</settlement></placeName></affiliation></author><author><name sortKey="Grootaert, Patrick" sort="Grootaert, Patrick" uniqKey="Grootaert P" first="Patrick" last="Grootaert">Patrick Grootaert</name><affiliation wicri:level="3"><country xml:lang="fr">Belgique</country><wicri:regionArea>Department of Entomology, Royal Institute of Natural Sciences, 29 Vautier street, B-1040, Brussels</wicri:regionArea><placeName><settlement type="city">Bruxelles</settlement><region nuts="2">Région de Bruxelles-Capitale</region></placeName></affiliation></author></analytic><monogr></monogr><series><title level="j">Landscape Ecology</title><title level="j" type="abbrev">Landscape Ecol</title><idno type="ISSN">0921-2973</idno><idno type="eISSN">1572-9761</idno><imprint><publisher>Kluwer Academic Publishers</publisher><pubPlace>Dordrecht</pubPlace><date type="published" when="1992-02-01">1992-02-01</date><biblScope unit="volume">6</biblScope><biblScope unit="issue">3</biblScope><biblScope unit="page" from="175">175</biblScope><biblScope unit="page" to="181">181</biblScope></imprint><idno type="ISSN">0921-2973</idno></series><idno type="istex">3B3167546803DC2D62DAF753E14AC71376D83A33</idno><idno type="DOI">10.1007/BF00130029</idno><idno type="ArticleID">BF00130029</idno><idno type="ArticleID">Art6</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0921-2973</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Abstract: This study investigates the impact of landscape heterogeneity on community structure and population dynamics in two families of Diptera (Empididae and Chironomidae). Adult emergence is compared with aerial flow by means of emergence traps and yellow traps on a transect across four habitats (pond banks, woodland, grassland and heathland) in close proximity to each other. Empids use different space units according to their larval development, sexual behaviour and food requirements. This creates an intermingling of species and individuals originating from different habitats in the lowest part of the transect. Adult chironomids of aquatic species exhibit a preferential use of open habitats while adults with terrestrial larvae disperse largely above the four sites. Habitat fragmentation and heterogeneity lead to opposite patterns in chironomid distribution: some species disperse over the whole set of macrohabitats but others are confined to a single patch, resulting in population isolation. The impact of spatial and temporal landscape patterning is discussed with a view to community structure, life-history tactics and population dynamics.</div></front></TEI><affiliations><list><country><li>Belgique</li><li>France</li></country><region><li>Région Bretagne</li><li>Région de Bruxelles-Capitale</li></region><settlement><li>Bruxelles</li><li>Plélan-le-Grand</li></settlement></list><tree><country name="France"><region name="Région Bretagne"><name sortKey="Delettre, Yannick" sort="Delettre, Yannick" uniqKey="Delettre Y" first="Yannick" last="Delettre">Yannick Delettre</name></region><name sortKey="Trehen, Paul" sort="Trehen, Paul" uniqKey="Trehen P" first="Paul" last="Tréhen">Paul Tréhen</name></country><country name="Belgique"><region name="Région de Bruxelles-Capitale"><name sortKey="Grootaert, Patrick" sort="Grootaert, Patrick" uniqKey="Grootaert P" first="Patrick" last="Grootaert">Patrick Grootaert</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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