Biodiversity science: US bumblebee declines - use of collections

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Cameron et al. in PNAS Early Edition - widespread decline of some bumblebee species in the US was shown by the comparison of current ranges from a three-year observation on 16,000 specimens with ranges inferred from 73,759 museum specimens. Higher Nosema and lower current genetic diversity in declining species than in stable species.  Would be good to look at genetics of museum specimens, but not covered in this paper.

Themes: 
Biodiversity
Collections
bumblebees
pollinators
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