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  1. What is a Wetland? | US EPA

    Apr 7, 2025 · 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 …

  2. Wetland - Wikipedia

    Article 1.1: "...wetlands are areas of marsh, fen, peatland or water, whether natural or artificial, permanent or temporary, with water that is static or flowing, fresh, brackish or salt, including …

  3. Wetland | Definition, Characteristics, Types, Importance, Examples ...

    Nov 21, 2025 · wetland, complex ecosystem characterized by flooding or saturation of the soil, which creates low-oxygen environments that favor a specialized assemblage of plants, …

  4. What is a wetland? - NOAA's National Ocean Service

    During periods of excessive rain, wetlands absorb and slow floodwaters, which helps to alleviate property damage and may even save lives. Wetlands also absorb excess nutrients, sediments, …

  5. What are wetlands? | U.S. Geological Survey - USGS.gov

    What are wetlands? Wetlands are transitional areas, sandwiched between permanently flooded deepwater environments and well-drained uplands, where the water table is usually at or near …

  6. Wetlands | Natural Resources Conservation Service

    Wetlands are a home to many species of migratory and resident birds, reptiles and amphibians, fish, insects, and plants. They also benefit society by storing floodwaters, filtering pollutants, …

  7. 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 …

  8. What Is a Wetland? Plus 8 Key Wetland Facts | World Wildlife Fund

    Explore what wetlands are, why they matter, and eight fascinating facts about these vital ecosystems and WWF’s work to protect them.

  9. What are wetlands, and why are they so critical for life on Earth?

    What are wetlands, and why are they so critical for life on Earth? These unique ecosystems have a small footprint but play a big role in providing habitat for wildlife, and protecting us against...

  10. What is Wetlands? - The Institute for Environmental Research and …

    Jun 22, 2025 · Wetlands act as natural sponges, absorbing and storing large amounts of water during periods of heavy rainfall. This reduces the volume and velocity of floodwaters, …