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U.S. Wetlands
Englisch
230 b
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Wetlands, with a variety of physical characteristics, are found throughout the country. They are known in different regions as swamps, marshes, fens, potholes, playa lakes, or bogs. Although these places can differ greatly, they all have distinctive plant and animal assemblages because of the wetness of the soil. Some wetland areas may be continuously inundated by water, while other areas may not be flooded at all. In coastal areas, flooding may occur daily as tides rise and fall. Prior to the mid-1980s, federal laws and policies to protect wetlands were generally limited to providing habitat for migratory waterfowl, especially ducks and geese. Some laws encouraged destruction of wetland areas, including selected provisions in the federal tax code, public works legislation, and farm programs. Since the mid-1980s, the values of wetlands have been recognised in different ways in numerous national policies, and federal laws either encourage wetland protection, or prohibit or do not support their destruction. This book discusses wetlands and the Clean Water Act (CWA) in the United States.
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