
Wetland - Wikipedia
A wetland is a distinct semi-aquatic ecosystem whose groundcovers are flooded or saturated in water, either permanently, for years or decades, or only seasonally. Flooding results in oxygen …
What is a Wetland? - US EPA
Apr 7, 2025 · Definition of a Wetland Wetlands are areas where water covers the soil, or is present either at or near the surface of the soil all year or for varying periods of time during the …
Wetlands Mapper | U.S. Fish & Wildlife Service
This information is intended to promote the understanding and conservation of wetland resources through discovery and education as well as to aid in resource management, research and …
Wetland | Definition, Characteristics, Types, Importance, Examples ...
Nov 21, 2025 · A wetland is a complex ecosystem characterized by flooding or saturation of the soil, which creates low-oxygen environments that favor a specialized assemblage of plants, …
What Is a Wetland? Plus 8 Key Wetland Facts | World Wildlife Fund
A wetland is a place in which the land is covered by water—salt, fresh, or somewhere in between—either seasonally or permanently. It functions as its own distinct ecosystem.
What is a Wetland? - The Wetlands Initiative
The amount of water present in a wetland can vary greatly. Some wetlands are permanently flooded, while others are only seasonally flooded but retain saturated soils throughout much of …
What is a wetland? - NOAA's National Ocean Service
Wetland habitats serve essential functions in an ecosystem, including acting as water filters, providing flood and erosion control, and furnishing food and homes for fish and wildlife.
Wetlands and Estuaries | U.S. Geological Survey - USGS.gov
What is a coastal wetland? Coastal wetlands are transitional areas between dry land and open water that are either permanently or seasonally inundated with fresh, brackish, or salt water. …
What is Wetlands? – The Institute for Environmental Research and …
Jun 22, 2025 · Identifying a wetland requires observing several characteristics, including the presence of hydric soils, hydrophytic vegetation, and evidence of frequent flooding or saturation.
What are wetlands, and why are they so critical for life on Earth?
If water, salty or fresh, is present on top of or just below the soil, it’s a wetland. You’ll know you’re in a wetland when your shoe prints turn muddy and wet.