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This list of Ramsar sites in the United States are those wetlands that are considered to be of international importance, protected under the Ramsar Convention treaty. The United States as of 2020, has 41 sites designated as "Wetlands of International Importance" with a surface area of 1,884,551 hectares (7,276.29 sq mi; 18,845.51 km 2).
SoilGrids1km is a collection of updatable soil property and class maps of the world at a resolution of 1 km produced using state-of-the-art model-based statistical methods. Presents estimates (means and 90% confidence intervals) for pH, texture (sa, si, cl), organic carbon and more for 6 depth layers up to 2 m depth. Harmonized World Soil Database
The Wetlands Geodatabase and the Wetlands Mapper, as an Internet discovery portal, provide technological tools that allow the integration of large relational databases with spatial information and map-like displays. The information is made available to an array of federal, state, tribal, and local governments and the public.
The NWI relies on trained image analysts to identify and classify wetlands and deepwater habitats from aerial imagery. NWI started mapping wetlands at a small scale (1:250,000 map which covers an area the size of 128-1:24,000 USGS topographic maps or approximately 7,400 square miles).
Established in 1970, a partnership between Ducks Unlimited, U.S. Army Corps of Engineers, Oklahoma Department of Wildlife Conservation, the National Audubon Society, U.S. Coast Guard, Oklahoma State Parks, Oklahoma State University, and Missouri State University. [84] Hunting is allowed in the Sandtown Bottom, Webbers Bottom, and Girty Bottom.
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Cheyenne Bottoms is a wetland in the central Great Plains of North America. Occupying approximately 41,000 acres (170 km 2; 64 sq mi) in central Kansas, it is the largest wetland in the interior United States. [3] [4] The Bottoms is a critical stopping point on the Central Flyway for millions of birds which migrate through the region annually. [5]
Location map of Wisconsin State Forests. A Wisconsin state forest is an area of forest in the U.S. state of Wisconsin managed by the Wisconsin Department of Natural Resources's Division of Forestry. They are managed for outdoor recreation, watershed and habitat preservation, and sustainable forestry.