Increase areas of rough grassland for bumblebee nesting
Overall effectiveness category Awaiting assessment
Number of studies: 1
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A replicated, controlled trial of the Rural Stewardship agri-environment scheme on 10 farms in Scotland found that 1.5 to 6 m wide grassy field margins attracted nest-searching queen bumblebees at higher densities than managed or unmanaged grasslands or hedgerows (Lye et al. 2009). On five farms with the agri-environment scheme, researchers counted an average of around nine nest-searching queens/100 m on grassy field margins, compared to around seven nest-searching queens/100 m in species-rich grassland transects, five for conventional arable field margins, and four on unmanaged (abandoned) grassland transects. The study did not record the numbers of established nests later in the year.Study and other actions tested
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This Action forms part of the Action Synopsis:Bee Conservation
Bee Conservation - Published 2010