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...The nation’s great bee die-off has provoked a furious debate: What has caused a third of all commercial honeybee colonies to perish each year since 2006? Although widespread bee deaths have occurred before, the current sharp decline is different. This time some bees have simply vanished, abandoning their hives. The phenomenon, known as colony collapse disorder (CCD), has been attributed in part to the same viral and bacterial infections, pesticide poisonings, and mite infestations that devastated bees in the past.

Whatever the proximate cause, it increasingly appears that the bees are succumbing to a long-ignored underlying condition—inbreeding. Decades of agricultural and breeding practices meant to maximize pollinating efficiency have limited honeybees’ genetic diversity at a time when they need it the most. - Discover Magazine

Labels: bees, Colony Collapse Disorder, Honey, Science