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What is a Wetland? | US EPA - U.S. Environmental Protection ...
2024年4月25日 · 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 year, including during the growing season.
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-poor processes taking place, especially in the soils. [1]
Wetland | Definition, Characteristics, Types, Importance ...
2025年2月4日 · 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, animals, and microbes. These organisms exhibit adaptations designed to tolerate periods of sluggishly moving or standing water.
How do Wetlands Function and Why are they Valuable?
2024年5月15日 · An immense variety of species of microbes, plants, insects, amphibians, reptiles, birds, fish and mammals can be part of a wetland ecosystem. Physical and chemical features such as climate, landscape shape (topology), geology and the movement and abundance of water help to determine the plants and animals that inhabit each wetland.
Wetland - National Geographic Society
2023年10月19日 · A wetland is an area of land that is either covered by water or saturated with water. The water is often groundwater, seeping up from an aquifer or spring. A wetland’s water can also come from a nearby river or lake.
What is a wetland? And 8 other wetland facts | Stories | WWF
What is a wetland? 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? - 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. They do more than sustain plants and animals in the watershed, however.