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Patterns of widespread decline in North American bumble bees

This is a paper published in PNAS about patterns of decilne in North American bumble bees that is quite broad in scope (netted and identified 9,006 bumble bees in the west and 7,832 in the east at 382 sites across North America between 2007 and 2009 and constructed a database...MORE
Desert
Mediterranean / Chaparral
Temperate Forest
Temperate Grassland
Invertebrates
Species
Population
Community
Observational
Regional
Continental

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