an increasing trendP < 0.01
Only two of the forest groups showed an increasing trend in wood volume that is not attributable to climate change or elevated CO 2 : White/Red/Jack pine ( P < 0.01) and Spruce/Fir ( P < 0.10).
Only two of the forest groups showed an increasing trend in wood volume that is not attributable to climate change or elevated CO 2 : White/Red/Jack pine ( P < 0.01) and Spruce/Fir ( P < 0.10).