There are four types of wetland: swamp, marsh, bog and what?
Wetland these functions, and the degree to which it performs them, depends on characteristics of that wetland and the lands and waters near it. Methods for rapidly assessing these functions, wetland ecological health, and general wetland condition have been developed in many regions and have contributed to wetland conservation partly by raising public awareness of the functions and the ecosystem services some wetlands provide. Wetlands occur naturally on every continent. The main wetland types are swamp, marsh, bog, and fen; sub-types include mangrove forest, carr, pocosin, floodplains, mire, vernal pool, sink, and many others. Many peatlands are wetlands. The water in
Mantua Bog State Nature Preserve Mantua Bog State Nature Preserve The Mantua Bog State Nature Preserve (or Mantua Swamp) is a protected wetland in Mantua Township, Portage County in the U.S. state of Ohio. It was designated a National Natural Landmark in 1976 and a state nature preserve in 1990. The national landmark designation encompasses which includes Marsh Wetlands State Nature Preserve, in addition to Mantua Bog State Nature Preserve. The nature preserve includes different types of wetlands including swamp forest, boreal bog, and cattail marshes. Twenty-four state-listed plants have been identified in the bog including autumn willow ("Salix serissima"), bunchflower ("Melanthium virginicum"), and cranberry