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  • 标题:The Effects of Exurbanization on Bird and Macroinvertebrate Communities in Deciduous Forests on the Cumberland Plateau, Tennessee
  • 本地全文:下载
  • 作者:Jordan M. Casey ; Marie E. Wilson ; Nicholas Hollingshead
  • 期刊名称:International Journal of Ecology
  • 印刷版ISSN:1687-9708
  • 电子版ISSN:1687-9716
  • 出版年度:2009
  • 卷号:2009
  • DOI:10.1155/2009/539417
  • 出版社:Hindawi Publishing Corporation
  • 摘要:To investigate the potential causes of changes to bird communities in exurban areas, we examined the relationship between bird and macroinvertebrate communities in exurbanized forest. We randomly located sampling points across a gradient of exurbanization. We used point counts to quantify bird communities and sweep netting, soil cores, pitfalls, and frass collectors to quantify macroinvertebrates. Bird communities had higher richness and abundance in exurban areas compared to undeveloped forests, and lost some species of conservation concern but gained others. The macroinvertebrate community was slightly more abundant in exurban areas, with a slight shift in taxonomic composition. The abundance of macroinvertebrates in soil cores (but not pitfalls) predicted the abundance of ground-foraging birds. The abundance of macroinvertebrates in sweep nets was not associated with the abundance of aerial insectivore birds. Exurbanization therefore appears to change bird and macroinvertebrate communities, but to a lesser extent than agricultural forest fragmentation or intensive urbanization.
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