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, Examples ...
6 天之前 · 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.
What is a wetland? And 8 other wetland facts | Stories | WWF
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. You can recognize wetlands from other types of land or bodies of water primarily by the vegetation that has adapted to wet soil. 2. What kinds of species live in wetlands?
What are wetlands? | U.S. Geological Survey - USGS.gov
Wetlands provide habitat for thousands of species of aquatic and terrestrial plants and animals. Wetlands are valuable for flood protection, water quality improvement, shoreline erosion control, natural products, recreation, and aesthetics.
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 are wetlands, and why are they so critical for life on Earth?
2023年2月24日 · Wetlands are carbon sinks that, when destroyed, can become a major source of greenhouse gas emissions.
What Is a Wetland? - The Wetlands Initiative
More specifically, wetlands are areas where the presence of water determines or influences most, if not all, of an area's biogeochemistry—that is, the biological, physical, and chemical characteristics of a particular site.
What is a Wetland? | Wetlands Protection and Restoration - US …
2016年3月28日 · 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. Water saturation (hydrology) largely determines how the soil develops and the types of plant and animal communities living in and on the soil.
Wetlands are the link between the land and the water. They are transition zones where the flow of water, the cycling of nutrients, and the energy of the sun meet to produce a unique ecosystem characterized by hydrology, soils, and vegetation—making these areas very important features of a …