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The Global Distribution and Drivers of Alien Bird Species Richness [Plos Biology]

Subject Areas : invasive species, birds, species diversity, species colonization, spatial autocorrelation, biogeography, population density, species delimitation

par Frédéric Magné - publié le

Alien species are a major component of human-induced environmental change. Variation in the numbers of alien species found in different areas is likely to depend on a combination of anthropogenic and environmental factors, with anthropogenic factors affecting the number of species introduced to new locations, and when, and environmental factors influencing how many species are able to persist there. However, global spatial and temporal variation in the drivers of alien introduction and species richness remain poorly understood. Here, we analyse an extensive new database of alien birds to explore what determines the global distribution of alien species richness for an entire taxonomic class.(...)

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