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The EPA ecoregion classification system has four levels, but only Levels I, III, and IV are shown on this list. Level I divides North America into 15 broad ecoregions (or biomes ). Illinois is almost entirely within the Eastern Temperate Forest environment Level I region, although very small sections in its extreme west are in the Great Plains ...
Macoupin Creek is a 99.7-mile-long (160.5 km) [2] tributary of the Illinois River, which it joins near the village of Hardin, Illinois.. The word macoupin refers to the yellow pond lily [3] [4] (Nuphar advena), a native plant of the regional wetlands, and a favorite food source of local Indians.
Mitchell's Grove Nature Preserve is a 184 acres (74 ha) nature preserve and State Natural Area [2] located in LaSalle County, Illinois, situated between Tomahawk Creek and the Little Vermillion River north of their confluence. It is composed of diverse terrain with over 300 plant species present. [3]
Edwards River; Elm River; Embarras River (Illinois) Fox River (Illinois River tributary), northern Illinois; Fox River (Little Wabash tributary), southern Illinois; Galena River; Grand Calumet River; Green River; Henderson Creek; Hickory Creek; Illinois River; Indian Creek; Iroquois River; Jackson Creek; Kankakee River; Kaskaskia River ...
Pekin Lake State Fish and Wildlife Area is a 1,181-acre area of protected habitat on the Illinois River adjacent to the city of Pekin, Illinois, within Tazewell County in the U.S. state of Illinois. The Illinois Department of Natural Resources (IDNR) describes the protected area as a bottomland of sloughs, lakes, and low timbered ridges. [2]
Spring Lake has over 17 different species of aquatic vegetation, including Eurasian milfoil (invasive to Illinois), lily, and lotus. [3] [5] [4] "The tremendous spring recharge from the bed of the lake amounts to 52 acre feet a day, creating very cold water temperatures under the insulating layer of vegetation for the majority of the summer months.
The Sangamon River is a principal tributary of the Illinois River, approximately 246 miles (396 km) long, [2] in central Illinois in the United States. It drains a mostly rural agricultural area and runs through Decatur and past Springfield .
The Emiquon National Wildlife Refuge is a 11,122-acre (45.01 km 2) wetland wildlife refuge located in Waterford Township in Fulton County, Illinois across the Illinois River from the town of Havana. Only 3,000 acres (12 km 2 ) are currently managed by the U.S. Fish and Wildlife Service as part of the Illinois River National Wildlife and Fish ...