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Chemical Characterization of Biological and Technological Surfaces

The Committee on Wetlands Characterization, Water Science and Technology Board, National Academy of Sciences, developed a reference definition for wetland that stands outside the interests of any private or public agency (Lewis, 1995). A wetland is an ecosystem that depends on constant or recurrent, shallow inundation or saturation at or near the surface of the substrate. The minimum essential characteristics of a wetland are recurrent, sustained inundation or saturation at or near the surface and the presence of physical, chemical, and biological features reflective of recurrent, sustained inundation or saturation. Common diagnostic features of wetlands are hydric soils and hydrophytic vegetation. These features will be present except where specific physicochemical, biotic, or anthropogenic factors have removed them or prevented their development. ... [Pg.30]

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Biological characterization

Biological surface

Characterization and surface

Chemical and biological

Chemical characterization

Chemical surface

Chemical technology

Technological Surfaces

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