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Longman Dictionary of Contemporary English
a woodland/wetland/grassland/marshland habitat (=a place in a wood, etc where animals and plants live or grow)
▪ The owl inhabits woodland habitats from Scotland to southern Spain.
▪ Each wetland evolved a landscape character as individual as the spirit of its people was independent.
▪ In about one week 100 percent of the water is recycled, cleansed by microbiological activity in wetland treatment areas.
▪ Such rulings are a key to our understanding of the old wetland economy.
▪ This marshy wetland would have easily been converted for their use.
▪ What the students had come to value as a wetland, the administration had seen as an eyesore.
Douglas Harper's Etymology Dictionary

1743, from wet (adj.) + land (n.).


n. Land that is covered mostly with water, with occasional marshy and soggy areas.


n. a low area where the land is saturated with water


A wetland is a land area that is saturated with water, either permanently or seasonally, such that it takes on the characteristics of a distinct ecosystem. The primary factor that distinguishes wetlands from other land forms or water bodies is the characteristic vegetation of aquatic plants, adapted to the unique hydric soil. Wetlands play a number of roles in the environment, principally water purification, flood control, carbon sink and shoreline stability. Wetlands are also considered the most biologically diverse of all ecosystems, serving as home to a wide range of plant and animal life.

Wetlands occur naturally on every continent except Antarctica, the largest including the Amazon River basin, the West Siberian Plain, and the Pantanal in South America. The water found in wetlands can be freshwater, brackish, or saltwater. The main wetland types include swamps, marshes, bogs, and fens; and sub-types include mangrove, carr, pocosin, and varzea.

The UN Millennium Ecosystem Assessment determined that environmental degradation is more prominent within wetland systems than any other ecosystem on Earth. International conservation efforts are being used in conjunction with the development of rapid assessment tools to inform people about wetland issues.

Constructed wetlands can be used to treat municipal and industrial wastewater as well as stormwater runoff. They may also play a role in water-sensitive urban design.

Wetland (disambiguation)

A wetland is an area of land whose soil is saturated with moisture either permanently or seasonally. For specific wetland types see bog, marsh and swamp.

Wetlands may refer to:

  • Wetlands (novel), a German erotic novel by Charlotte Roche
  • Wetlands (video game)
  • Wetlands Preserve, a defunct New York City music venue
  • Wetlands (2011 film), a 2011 French Canadian film
  • Wetlands (2013 film), a 2013 German film

Usage examples of "wetland".

Those men still in the swamp spend much of their time acurse at the cold, but they have at least the advantage that the stiltspear, perfidious wetland savages, have retreated and no longer harry them.

Everybody who owned any wetland would demand publicly funded dikes, ditches and sewers.

Another time they encountered an ancient raised railroad bed, crossing a broad wetland like some improbably straight esker.

Which on the map was marked liberally with wetland symbols, much of it with the subsymbol for brush, and also with occasional small round ponds that suggested fen pools, roofed thickly with ice in this season.

Cycles and swamp terrains of fear and periodically recurring depressions and earliest wetland secretions of dread (brain stem and midbrain), not to mention Mr.