A freshwater swamp
:''This article is about the wetland type (a landform). For other uses of the term "swamp", see''
swamp (disambiguation)
A
swamp is a
wetland that features permanent inundation of large areas of land by shallow bodies of water, generally with a substantial number of hummocks, or dry-land protrusions. Swamps usually are regarded as including a large amount of woody vegetation. When a wetland area does not, it is usually termed a
marsh.
Swamps are generally characterized by very slow-moving waters, often rich in
tannins from decaying vegetation. They are usually associated with adjacent
rivers or
lakes. In some cases, rivers become swamps for a distance. Swamps are features of areas with very low topographic relief, although they may be surrounded by mountains.
The most famous swamps in the
United States are the
Okefenokee Swamp (home to the cartoon characters of
Pogo, by
Walt Kelly) and the
Great Dismal Swamp. The Okefenokee is located in extreme southeastern Georgia and extends slightly into northeastern
Florida. The Great Dismal Swamp lies in extreme southeastern
Virginia and extreme northeastern
North Carolina. Both are National Wildlife Refuges. Another swamp area, Reelfoot Lake of extreme western
Tennessee, was created by the New Madrid earthquake of 1812.
Caddo Lake, the Great Dismal and Reelfoot are swamps that are centered around large lakes. Swamps are often called
bayous in the
southeastern United States.
Swamps are characterized by rich biodiversity and specialized organisms. For instance, southeastern U.S. swamps, such as those mentioned above, feature trees such as the
Bald cypress and
Water tupelo, which are adapted to growing in standing water, and
animals such as the American
alligator.
A common
species name in biological
nomenclature is the
Latin palustris, meaning "of the swamp". Examples of this are
Quercus palustris (
pin oak) and
Thelypteris palustris (marsh fern).
List of Major Swamps
Africa
Asia
North America
- Caddo Lake, United States
- Great Black Swamp, United States
- Great Dismal Swamp, United States
- Okefenokee Swamp, Georgia, United States
- Reelfoot Lake, United States
- Big Cypress Swamp, Florida, United States
- Limberlost, Indiana, United States
- Honey Island Swamp, Louisiana, United States
South America
See also
Category:Landforms
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