TABLE 2 Land Cover Classifications

NLCD (2001 and 2006) Land Cover Classifications	Land Cover Classifications in This Study
Barren land	Barren
Developed open space/recreational grasses	Grassy recreational lands
Developed, high intensity Developed medium intensity Developed low intensity	Developed
Dwarf shrub^a Scrub/shrub^a Grassland^a Sedge/herbaceous^a Lichens^a Moss^a Cultivated crops Pasture/hay	Farmland
Deciduous forest Evergreen forest^a Mixed forest^a Emergent herbaceous wetlands^a Woody wetlands^a	Forestland
Open water	Water

Note: NLCD, National Land Cover Database.
a These categories account for less than 0.5% of the land cover in our study area in 2001 and 2006 and less than 1% in 1992.