Penn State Extension-Centre County provides this blog as a source of information to the central Pennsylvania forestry community.
Updates and news items on forestry related subjects are posted regularly.
Thursday, July 2, 2009
Insect in Hemlock Forests Causes Loss of Canopy, Increase in Invasive Plants
According to new research by ecologists at the University of California–Berkeley, canopy loss in eastern hemlock forests as a result of the hemlock woolly adelgid also is setting the stage for the invasion of non-native plants. The canopy decline leads to even greater invasion of non-native plants when combined with a high concentration of the plants’ seeds and white-tailed deer in affected areas.