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Facultative upland (FACU) - Usually occurs in non-wetlands (estimated probability 67% – 99%), but occasionally found in wetlands (estimated probability 1% – 33%). Obligate upland (UPL) - Almost always occurs in non-wetlands under natural conditions (estimated probability > 99%).
One of the largest systems is the Forest Preserve District of Cook County, which includes Brookfield Zoo and the Chicago Botanic Garden as well as 70,000 acres (280 km 2) of open land, or 11.6 percent of Cook County's land area. Under Illinois law, counties may set up a conservation land holding district, after approval by county voters.
Currently the Wetlands Geodatabase contains over 34,500 7.5 minute map areas in a seamless ArcSDE geodatabase format. This represents wetland map data for approximately 64 percent of the conterminous U.S., 30 percent of Alaska, 100 percent of the windward islands of Hawaii, 77 percent of Puerto Rico and the U.S. Virgin Islands and, 100 percent ...
Urban Rivers is a nonprofit organization that aims at restoring the waterways in Chicago, Illinois. [1] The organization is focused on studying and reviving the city's river ecosystem and water health with floating wetlands. [2]
Wetlands adjacent to the lake include the 250 acres (100 ha) Eggers Woods Forest Preserve, 175 acres (71 ha) Powderhorn Lake Prairie, and 40 acres (16 ha) Hyde Lake Wetland. [12] William W. Powers State Recreation Area is on Chicago's far southeast side, off highways 94, 90, and 41. The main park entrance is at 12949 South Avenue O. [1]
Despite years of environmental damage caused by heavy industries, transportation infrastructure, urban runoff and filling of wetlands, it is one of the most important biological sites in the Chicago region. Wolf Lake is located between Hammond, Indiana and the Hegewisch community area of Chicago, Illinois.
The revelation of hazardous chemicals in much of the fill material has created a push to have parts of the Lake Calumet area added to the national Superfund list for environmental cleanup. [3] In the early 1980s, the Lake Calumet area was proposed as a site for the later-cancelled Chicago 1992 World's Fair.
The Cache River Wetlands is America's northernmost cypress/tupelo swamp and harbors 91 percent of the state's high quality swamp and wetland communities. It provides habitat for more than 100 threatened and endangered species in Illinois. In 1996, the Cache was designated a Wetland of International Importance under the Ramsar Convention. [4]