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Arcata Marsh appropriateness - why wetlands
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== Importance of Wetland == Wetlands enhance water quality, provide flood control, recharge ground water supplies,and maintain diversity within the system. ''Wetlands'' definition from Ward and Trimble (2003)- any site with soil development, biotic community, or hydraulic behavior that is dominated by the fact that it is at least periodically saturated with water. note: definition excludes deep water.<ref>Environmental Hydrology; 2nd Edition Andy D.Ward, Stanley W. Trimble. Lewis Publishers 2004.</ref> === Water Quality === Wetlands serve to improve water quality by acting as sinks. They remove sediment and nutrients entering our water courses from natural and anthropogenic inputs. === Flood control === Wetlands serve as reservoirs during heavy storm events or peak flows of a river. === Ground water recharge === Wetlands recharge ground water supplies by acting as sinks. When surface runoff flows into a wetland it acts as a detention pond where excess water will eventually percolate into local or regional aquifers. === Diversity === Wetlands act to maintain plant and wildlife diversity by providing an environment for hydrophilic plants to grow and habitat for migrating birds.<ref>http://humboldt.edu/~iel2/wildlife</ref>
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