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Urbanization erodes ectomycorrhizal fungal diversity and may cause microbial communities to converge [Nature Ecology & Evolution]

Keywords : environmental impact, microbial ecology, urban ecology

par Frédéric Magné - publié le

Urbanization alters the physicochemical environment, introduces non-native species and causes ecosystem characteristics to converge. It has been speculated that these alterations contribute to loss of regional and global biodiversity, but so far most urban studies have assessed macro-organisms and reported mixed evidence for biodiversity loss. We studied five cities on three continents to assess the global convergence of urban soil microbial communities. We determined the extent to which communities of bacteria, archaea and fungi are geographically distributed, and to what extent urbanization acts as a filter on species diversity.(...)

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