Posted AT 2:20 AM EST on 30/04/07
Forests threatened by plagues of insects
Canada's vast boreal forest is facing the devastating threat of mountain pine beetles as early as this summer, causing widespread economic and environmental damage, warns one of the country's foremost experts on the grain-sized insects.
Last summer, a great swarm of beetles was caught in prevailing winds, blowing into Alberta and landing at the doorstep of the boreal forest.
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