Fig. 1From: Local discrepancies in continental scale biomass maps: a case study over forested and non-forested landscapes in Maryland, USAStudy area showing physiographic regions and field plot locations. Physiographic provinces (Appalachian, Piedmont, and Eastern Shore) are divided based on species-composition and environmental gradients. Land cover classes (Evergreen, Deciduous, Mixed, Wetlands, and Non-forest) are taken from the NLCD2006 database.Back to article page