Ecology w/ Dr. Dan

Today we're discussing Norther American Ecosystems and Easter Deciduous Forests which includes Physiographic Provinces. A physiographic province is a geogrpahic area delineated according to similar terrain that has been shaped by a common geologic history. Apparently I do most of my gardening in the Piedmont Upland Section of the Piedmont Province. Here's a PDF of Pennslvania's provinces.