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Global pollinator declines: trends, impacts and drivers.
Parallel Declines in Pollinators and Insect-Pollinated Plants in Britain and the Netherlands
Evidence of declines (pre-versus post-1980) in local bee diversity in Britain and the Netherlands is found and a causal connection between local extinctions of functionally linked plant and pollinator species is strongly suggested.
MEASURING BEE DIVERSITY IN DIFFERENT EUROPEAN HABITATS AND BIOGEOGRAPHICAL REGIONS
Bee pollinators are currently recorded with many different sampling methods. However, the relative performances of these methods have not been systematically evaluated and compared. In response to…
Safeguarding pollinators and their values to human well-being
There are well-documented declines in some wild and managed pollinators in several regions of the world, however, many effective policy and management responses can be implemented to safeguard pollinators and sustain pollination services.
Delivery of crop pollination services is an insufficient argument for wild pollinator conservation
It is shown 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, suggesting that cost-effective management strategies to promote crop pollination should target a different set of species than management Strategies to promote threatened bees.
Dispersal capacity and diet breadth modify the response of wild bees to habitat loss
- R. Bommarco, J. Biesmeijer, Erik Öckinger
- Environmental ScienceProceedings of the Royal Society B: Biological…
- 7 July 2010
It is concluded that habitat loss leads to clear shifts in the species composition of wild bee communities, and small specialists had similar or slightly lower z value compared with large specialists, andsmall generalists also tended to be more strongly affected by habitat loss as compared with small specialists.
Species richness declines and biotic homogenisation have slowed down for NW-European pollinators and plants
It is found that extensive species richness loss and biotic homogenisation occurred before 1990, whereas these negative trends became substantially less accentuated during recent decades, being partially reversed for certain taxa (e.g. bees in Great Britain and Netherlands).
The use of waggle dance information by honey bees throughout their foraging careers
It is concluded that foragers make extensive use of the waggle dance not only to start work at new, unfamiliar food sources but also to resume work at old, familiar food sources.
Individual foraging, activity level and longevity in the stingless bee Melipona beecheii in Costa Rica (Hymenoptera, Apidae, Meliponinae)
Summary: Foraging behaviour of individually marked workers of Melipona beecheii (Meliponinae) was monitored in Costa Rica to investigate individual specialisation for different materials and how this…
Sublethal neonicotinoid insecticide exposure reduces solitary bee reproductive success
- C. Sandrock, L. G. Tanadini, J. Pettis, J. Biesmeijer, S. Potts, P. Neumann
- Environmental Science
- 1 May 2014
It is shown that chronic, dietary neonicotinoid exposure has severe detrimental effects on solitary bee reproductive output, and present pesticide risk assessments need to be expanded to include whole life‐cycle fitness estimates, as demonstrated in the present study using O. bicornis as a model.