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Wetlands generally include swamps, marshes, bogs, and similar areas." [1] [2] [3] Wetlands can be valued in terms of their contributions to ecological, economic and social systems. Wetlands service these systems through multiple processes including water filtration, water storage and biological productivity. [4]
A simplified definition of wetland is "an area of land that is usually saturated with water". [14] More precisely, wetlands are areas where "water covers the soil, or is present either at or near the surface of the soil all year or for varying periods of time during the year, including during the growing season". [15]
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Wetlands, role of the Forest Service: Software used: Internet Archive: Conversion program: Recoded by LuraDocument PDF v2.68: Encrypted: no: Page size: 426 x 773 pts; 415 x 775 pts; 420 x 778 pts; 430 x 790 pts; 428 x 780 pts; 435 x 790 pts; 425 x 785 pts; Version of PDF format: 1.3
Wetlands exist on every continent, except Antarctica. [19] The water in wetlands is either freshwater, brackish or saltwater. [18] The main types of wetland are defined based on the dominant plants and the source of the water. For example, marshes are wetlands dominated by emergent herbaceous vegetation such as reeds, cattails and sedges.
Lacustrine wetlands- associated with a lake or other body of fresh water Palustrine wetlands- freshwater wetlands not associated with a river or lake. The primary purpose of this ecological classification system was to establish consistent terms and definitions used in inventory of wetlands and to provide standard measurements for mapping these ...
Download as PDF; Printable version; In other projects Wikimedia Commons; Wikidata item; Appearance. move to sidebar hide. ... Wetlands of North America by country (19 C).
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 .