15 junio 2015
A decline in bumble bee populations in Europe and North America has been documented in a number of recent publications. Meanwhile, little is known about bee populations in Alaska, where native bee pollination is critical to the maintenance of subarctic ecosystems. Researchers have now completed a two-year study on bumble bees in agricultural areas in the region.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/dglXfsJ43Yw/150615132940.htm
