Loss of bee colonies
vendredi 13 mai 2016 à 02:00US bee keepers lost 44% of their colonies in a year.
Global heating effects may be part of the cause, because they reduce the fraction of protein in the pollen that bees eat.
Site original : Richard Stallman's Political Notes
US bee keepers lost 44% of their colonies in a year.
Global heating effects may be part of the cause, because they reduce the fraction of protein in the pollen that bees eat.