The pie charts indicate the reasons for wetland conversion. Pies are proportional to the amount of wetland loss, scaled between the West at 36,200 acres and the Southeast at 216,900 acres. Gain and loss data values are in thousands of acres. Net wetland losses averaged 32.6 thousand acres per year between 1992 and 1997. Agriculture includes cropland, pastureland, CRP, and other farmland.
Development includes urban areas and rural transportation land.
Miscellaneous includes rangeland and all other land uses. Wetlands includes palustrine and estuarine wetlands identified using the cowardin system, it does not include deepwater habitats. Shifts between wetlands and other aquatic systems are not considered either gains or losses. Hawaii is included in the West region. Puerto Rico and the U.S. Virgin Islands are included in the Southeast region.