Swamp, marsh, and bog
Damman, Antoni W. H. Department of Biology, University of Connecticut, Storrs, Connecticut.
Last reviewed:August 2021
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Wet flatlands, where mesophytic vegetation is areally more important than open water. Swamps, marshes, and bogs are commonly developed in filled lakes, glacial pits and potholes, and poorly drained coastal plains or floodplains. Swamp (see illustration) is a term usually applied to a wetland, or waterlogged land, where trees and shrubs are an important part of the vegetative association. Marsh refers to a transitional land–water area that is covered (at least part of the time) by estuarine or coastal waters. Marshes are characterized by aquatic and grasslike vegetation, especially without peatlike accumulation. Bog is a term used for a nutrient-poor, acid peatland, and it implies the lack of solid foundation. Some bogs consist of a thick zone of vegetation floating on water. See also: Bog; Ecology; Peat; Wetland
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