Wetland Functions and Values: Wildlife Habitat

Wetlands exhibit very high rates of plant productivity - the conversion of energy from the sun into plant materials. Recent studies suggest that some wetland types such as coastal marshes and inland freshwater marshes are among the most productive ecosystems in the world. This high productivity often supports a varied and complex food web both within and outside of the wetland.

Wetland Functions and Values: Erosion Control

wetlands along the shore of moving waterVegetated wetlands along the shores of lakes and rivers can protect against erosion caused by waves along the shorelines during floods and storms. Wetland plants are important because they can absorb much of the energy of the surface waters and bind soil and deposited sediments in their dense root systems.

Wetland Functions and Values: Surface and Ground Water Protection

Wetland bordering farmland - field of corn stubbleMany pollutants are washed by rainfall from urban and agricultural lands and are carried overland to water bodies. Pollutants include soil particles, fertilizers, pesticides, grease and oil from cars and trucks, and road salts. Wetlands can improve water quality by removing pollutants from surface waters.


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