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<title lang=en>Impact of earthworms on the diversity of microarthropods in a vertisol (Martinique)</title>
<creator>Loranger, Gladys</creator>
<creator>Ponge, Jean-François</creator>
<creator>Blanchart, Éric</creator>
<creator>Lavelle, Patrick</creator>
<contributor>Dynamique des écosystèmes Caraïbe et biologie des espèces associées (DYNECAR EA 926) ; Université des Antilles et de la Guyane (UAG)</contributor>
<contributor>Laboratoire d'Ecologie Générale ; Muséum National d'Histoire Naturelle (MNHN)</contributor>
<contributor>Laboratoire Biologie et Organisation des Sols Tropicaux ; Institut pour la Recherche et le Développement</contributor>
<contributor>Ecologie fonctionnelle et biogéochimie des sols et des agro-écosystèmes (Eco&Sols) ; Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro) - Institut National de la Recherche Agronomique (INRA) - Institut de Recherche pour le Développement (IRD) - Centre de Coopération Internationale en Recherche Agronomique pour le Développement (CIRAD) - Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro)</contributor>
<contributor>Laboratoire d'Ecologie des Sols Tropicaux (LEST) ; Institut pour la Recherche et le Développement</contributor>
<description>International audience</description>
<source>ISSN: 0178-2762</source>
<source>EISSN: 1432-0789</source>
<source>Biology and Fertility of Soils</source>
<publisher>Springer Verlag</publisher>
<identifier>hal-00505427</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00505427</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00505427/document</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00505427/file/Loranger_et_al._1998b.pdf</identifier>
<source>https://hal.archives-ouvertes.fr/hal-00505427</source>
<source>Biology and Fertility of Soils, Springer Verlag, 1998, 27 (1), pp.21-26. 〈10.1007/s003740050394〉</source>
<identifier>DOI : 10.1007/s003740050394</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1007/s003740050394</relation>
<language>en</language>
<subject lang=en>microarthropods</subject>
<subject lang=en>earthworms</subject>
<subject lang=en>spatial distribution</subject>
<subject lang=en>Collembola</subject>
<subject lang=en>biodiversity</subject>
<subject>[SDV.SA.SDS] Life Sciences [q-bio]/Agricultural sciences/Soil study</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>In a study of a 15-year-old pasture in Martinique (French West Indies), abundance and organization of microarthropod communities were correlated with the spatial distribution of the earthworm Polypheretima elongata (Megascolecidae). In patches of high earthworm density (133 individuals m-2), microarthropod density was significantly higher (80 000 individuals m-2) than in patches with few earthworms (31 worms m-2 and 49 000 microarthropods m-2). The diversity of microarthropod communities followed a similar pattern, the Shannon index for Collembola communities being, respectively, 3.12 and 1.82 in and outside earthworm patches. These results suggest that mesofauna abundance and diversity might be at least partly determined by the activity of larger invertebrates, as a result of the dramatic effects that the latter group exerts upon soil structure, pore distribution and food resources.</description>
<date>1998-05</date>
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