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A spatial scale assessment of habitat effects on arthropod communities of an oceanic island

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dc.contributor.author Cardoso, Pedro en
dc.contributor.author Aranda, Silvia C. en
dc.contributor.author Lobo, Jorge M. en
dc.contributor.author Dinis, Francisco en
dc.contributor.author Gaspar, Clara en
dc.contributor.author Borges, Paulo A. V. en
dc.date.accessioned 2009-11-03T20:14:07Z
dc.date.available 2009-11-03T20:14:07Z
dc.date.issued 2009
dc.identifier.citation Cardoso, Pedro, Aranda, Silvia C., Lobo, Jorge M., Dinis, Francisco, Gaspar, Clara, and Borges, Paulo A. V. 2009. "<a href="https%3A%2F%2Frepository.si.edu%2Fhandle%2F10088%2F8356">A spatial scale assessment of habitat effects on arthropod communities of an oceanic island</a>." <em>Acta Oecologica-International Journal of Ecology</em>. 35 (5):590&ndash;597. <a href="https://doi.org/10.1016/j.actao.2009.05.005">https://doi.org/10.1016/j.actao.2009.05.005</a> en
dc.identifier.issn 1146-609X
dc.identifier.uri http://hdl.handle.net/10088/8356
dc.description.abstract Most habitats in the Azores have undergone substantial land-use changes and anthropogenic disturbance during the last six centuries. In this study we assessed how the richness, abundance and composition of arthropod communities change with: (I) habitat type and (2) the surrounding land-use at different spatial scales. The research was conducted in Terceira Island, Azores. In eighty-one sites of four different habitat types (natural and exotic forests, semi-natural and intensively managed pastures), epigaeic arthropods were captured with pitfall traps and classified as endemic, native or introduced. The land-use surrounding each site was characterized within a radius ranging from 100 to 5000 m. Nonparametric tests were used to identify differences in species richness, abundance and composition between habitat types at different spatial scales. Endemic and native species were more abundant in natural forests, while introduced species were more abundant in intensively managed pastures. Natural forests and intensively managed pastures influenced arthropod species richness and composition at all spatial scales. Exotic forests and semi-natural pastures, however, influenced the composition of arthropod Communities at larger scales, promoting the connectivity of endemic and native species populations. Local species richness, abundance and composition of arthropod communities are mostly determined by the presence of nearby natural forests and/or intensively managed pastures. However, semi-natural pastures and exotic forests seem to play an important role as corridors between natural forests for both endemic and native species. Furthermore, exotic forests may serve as a refuge for some native species. (C) 2009 Elsevier Masson SAS. All rights reserved. en
dc.format.extent 827149 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US
dc.relation.ispartof Acta Oecologica-International Journal of Ecology en
dc.title A spatial scale assessment of habitat effects on arthropod communities of an oceanic island en
dc.type Journal Article en
dc.identifier.srbnumber 80519
dc.identifier.doi 10.1016/j.actao.2009.05.005
rft.jtitle Acta Oecologica-International Journal of Ecology
rft.volume 35
rft.issue 5
rft.spage 590
rft.epage 597
dc.description.SIUnit NMNH en
dc.description.SIUnit NH-Entomology en
dc.citation.spage 590
dc.citation.epage 597


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