Multifunctional Wetlands: Pollution Abatement by Natural and Constructed Wetlands

Both freshwater and marine ecosystems are degraded by pollution from nutrients, suspended solids, pathogens, siltation, oxygen-depleting substances, metals and organic contaminants. Natural wetlands play a significant role in reducing adverse impacts on water quality associated with pollution, and decrease the need for costly infrastructure. Constructed or restored wetlands also contribute to the abatement of pollution, which is consistent with …