Status and Trends of Wetlands in the Conterminous United States 1998 to 2004

acres Aquatic Bed assessment changes in wetland classification coastal coefficient of variation conterminous United Cowardin Dahl deepwater habitats drainage estuarine and marine estuarine emergent wetland Estuarine Intertidal estuarine shrub wetlands estuarine wetlands Fish and Wildlife Florida forested wetland freshwater emergent wetlands freshwater ponds freshwater wetland Hurricane Katrina hydric soils hydrology hydrophytes Ikonos imagery included Intertidal intertidal wetlands lakes Louisiana lowa Management mangrove marine wetlands million acres Minnesota nation's wetlands National Wildlife Refuge Natural Resources non-vegetated wetlands open water ponds Palustrine Photo courtesy plants Prairie Pothole Region Remote Sensing restoration and creation restore wetlands rural development salt marsh sample plots soil South Dakota species status and trends stratum tidal trends study U.S. Department U.S. Fish U.S. Geological Survey upland urban Washington waterfowl wetland acres wetland area wetland change wetland gains wetland habitats wetland losses wetland quantity wetland status wetland types wetlands declined wetlands Figure Wildlife Service Wisconsin