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Big city Bombus : using natural history and land-use history to find significant environmental drivers in bumble-bee declines in urban development [Royal Society Open Science]

Keywords : urbanization, pollinator, geographical information system, shrinking city, Bombus

par Frédéric Magné - publié le

Native bee populations are critical sources of pollination. Unfortunately, native bees are declining in abundance and diversity. Much of this decline comes from human land-use change. While the effects of large-scale agriculture on native bees are relatively well understood, the effects of urban development are less clear. Understanding urbanity’s effect on native bees requires consideration of specific characteristics of both particular bee species and their urban landscape. We surveyed bumble-bee (Bombus spp.) abundance and diversity in gardens across multiple urban centres in southeastern Michigan.(...)

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