map of forest plots

map of forest plots

shale, sandstone research plots

The forest inventory plots in the Ridge and Valley physiographic province in Pennsylvanias used in this study are shown. Inventory plots were restricted to land owned and managed by the Pennsylvania Department of Conservation and Natural Resources Bureau of Forestry and the Pennsylvania Game Commission, underlain by shale and sandstone bedrock. 

IMAGE: Margot Kaye Research Group/Penn State