articleNature CommunicationsJun 16, 2015GOLD OA

Delivery of crop pollination services is an insufficient argument for wild pollinator conservation

Wageningen University & Research · Rutgers, The State University of New Jersey · +40 more institutions

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Abstract

There is compelling evidence that more diverse ecosystems deliver greater benefits to people, and these ecosystem services have become a key argument for biodiversity conservation. However, it is unclear how much biodiversity is needed to deliver ecosystem services in a cost-effective way. Here we show that, while the contribution of wild bees to crop production is significant, service delivery is restricted to a limited subset of all known bee species. Across crops, years and biogeographical regions, crop-visiting wild bee communities are dominated by a small number of common species, and threatened species are rarely observed on crops. Dominant crop pollinators persist under agricultural expansion and many…

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