期刊
GLOBAL ECOLOGY AND BIOGEOGRAPHY
卷 25, 期 11, 页码 1284-1293出版社
WILEY
DOI: 10.1111/geb.12486
关键词
Biotic homogenization; bird species richness; conservation; evolutionary distinctiveness; evolutionary homogenization; urbanization
资金
- Estonian Ministry of Education and Science [IUT34-8]
- EU Regional Development Fund via the project Rovaniemen Kaupunkilintuatlas [A31026]
AimThe process of urbanization can lead to specialist species being replaced by generalist species in space and time, increasing similarity among bird communities. This phenomenon is termed biotic homogenization and is directly related to taxonomic and functional diversity. However, the effects of urbanization on phylogenetic diversity remain unclear. Our study addresses the effects of the process of urbanization on the evolutionary distinctiveness (a quantitative measure of the genetic or evolutionary uniqueness of species) of bird communities. LocationEurope. MethodsMixed models were used to compare the effects of urbanization on the evolutionary distinctiveness of bird communities in rural and urban environments in six different European cities from different ecoregions. ResultsOur study presents unique large-scale evidence of a negative impact of urban environments on the evolutionary uniqueness of birds. Compared with bird communities in rural environments, bird communities in urban environments have lower average evolutionary distinctiveness in all countries, independent of ecoregion, and these values are unrelated to the taxonomic diversity present in each country. Main conclusionsOur findings provide important information on the spectrum of effects on global biodiversity of changes in land use related to the process of urbanization. Therefore, urban environments are a factor of concern for maintaining diversity across the tree of life of birds, and we suggest that urbanization planning could help buffer against extreme loss of phylogenetic diversity caused by this process.
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