Slope wetlands form because of high groundwater outside of a closed topographic depression. Precipitation is often a secondary contributing source of water. They can form on flat areas as well as on slopes. They lose water primarily by subsurface flow and by evapotranspiration. Groundwater can sometimes enter and leave slope wetlands in channels, but channels do not convey water through slope wetlands. They are often adjacent to other kinds of aquatic areas, such as rivers and lakes, or other kinds of wetlands.
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