Cowardin classification system

System for classifying wetlands

The Cowardin classification system is a system for classifying wetlands, devised by Lewis M. Cowardin et al. in 1979 for the United States Fish and Wildlife Service. The system includes five main types of wetlands:Marine wetlands- which are areas exposed to the open ocean Estuarine wetlands- partially enclosed by land and also exposed to a mixture of fresh and salt water bodies of water Riverine wetlands- associated with flowing water Lacustrine wetlands- associated with a lake or other body of fresh water Palustrine wetlands- freshwater wetlands not associated with a river or lake.

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