Originally uploaded by P_Linehan.
Leaf drop can reveal hidden aspects of the environment. In this yellow poplar on the Mont Alto campus all the squirrel nests now show up. It's like a squirrel condominium complex.
GPS receivers have become ubiquitous tools for forestry field work to locate forest inventory plots, mark trails, and a host of other tasks. Here students in the Forest Mapping Systems class at Penn State Mont Alto are returning from recording waypoints on a trail in the Michaux State Forest.
To regenerate a forest in Pennsylvania deer fencing is a must. Here in the Michaux State Forest next to Penn State Mont Alto campus a deer fence has been set up to allow oak regeneration after a thinning in a pine stand. The gate is to let people in, but keep deer out.