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Patterns and predictors of β-diversity in the fragmented Brazilian Atlantic forest : a multiscale analysis of forest specialist and generalist birds [Journal of Animal Ecology]

Keywords : biodiversity crisis, dispersal limitation, environmental filtering, forest specialist, habitat loss, human-modified landscape, species turnover, tropical forest

par Frédéric Magné - publié le

1.Biodiversity maintenance in human-altered landscapes (HALs) depends on the species turnover among localities, but the patterns and determinants of β-diversity in HALs are poorly known. In fact, declines, increases and neutral shifts in β-diversity have all been documented, depending on the landscape, ecological group and spatial scale of analysis.
2.We shed some light on this controversy by assessing the patterns and predictors of bird β-diversity across multiple spatial scales considering forest specialist and habitat generalist bird assemblages.
3.We surveyed birds from 144 point counts in 36 different forest sites across two landscapes with different amount of forest cover in the Brazilian Atlantic forest.(...)

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