Sökning: "honeybee competition"

Hittade 1 avhandling innehållade orden honeybee competition.

1. 1. Bee foraging and pollination : Consequences of spatial and temporal variation in flower resources

   Författare :Johanna Yourstone; Biodiversitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Apoidea; bumblebee; foraging behavior; landscape ecology; land-use change; oilseed rape; trees; flower constancy; honeybee competition; functional traits; seminatural habitats; chili;

   Sammanfattning : Wild bees foraging in contemporary agricultural landscapes are, because of agricultural intensification, faced with the challenges of reduced flower-rich habitats, as well as a changed spatio-temporal distribution of flower resources. As a result of this and other stressors such as pesticide exposure, widespread declines of bees have been reported. LÄS MER