Current and previous spatial distributions of oilseed rape fields influence the abundance and the body size of a solitary wild bee, Andrena cineraria, in permanent grasslands.
Wild bees are essential pollinators whose survival partly depends on the capacity of their environment to offer a sufficient amount of nectar and pollen.Semi-natural habitats and mass-flowering crops such as oilseed rape provide chervo jacke herren abundant floristic resources for bees.The aim of this study was to evaluate the influences of the spa