A. Old Growth Forests of Coastal British Columbia

I established my permanent research plots in 1992 and have been monitoring them since then. In a recent collaboration with scientists from the US, we have made an alarming discovery… Widespread Increase of Tree Mortality Rates in the Western United States Tree death rates have more than doubled over the last few decades in old-growth forests of the western United States and southwestern British Columbia, and the most probable cause of the worrisome trend is regional warming, according our research published in Science on January 23, 2009. These photographs are of the forests in and around my permanent research plots.

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