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

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 are easily enhanced by simple conservation measures, suggesting that cost-effectiv

SUBMITTER: Kleijn D 

PROVIDER: S-EPMC4490361 | biostudies-literature | 2015 Jun

REPOSITORIES: biostudies-literature