Search results
Results from the WOW.Com Content Network
Illinois' ecology is in a land area of 56,400 square miles (146,000 km 2); the state is 385 miles (620 km) long and 218 miles (351 km) wide and is located between latitude: 36.9540° to 42.4951° N, and longitude: 87.3840° to 91.4244° W, [1] with primarily a humid continental climate.
Rainfall varies from 600 to 1040 mm per year and the area is vulnerable to drought and fire. Along with the Upper Midwest forest–savanna transition this ecoregion separates the Central U.S. hardwood forests to the east from the largely treeless Central and Southern mixed grasslands and Central tall grasslands to the west. [2]
List of ecoregions in Illinois; C. Corn Belt; M. Mississippi Alluvial Plain (ecoregion) S. Southeastern Wisconsin Till Plains
Ecoregions may be identified by similarities in geology, physiography, vegetation, climate, soils, land use, wildlife distributions, and hydrology. The classification system has four levels, but only Levels I and III are on this list. Level I divides North America into 15 broad ecoregions; of these, 12 lie partly or wholly within the United States.
Ecoregions of Illinois (4 P) Ecoregions of Indiana (3 P) Ecoregions of Iowa (3 P) K. Ecoregions of Kansas (6 P) M. ... Category: Ecoregions of the United States by state.
The wealth of the state mainly arises from this abundance of soil and the favorable agrarian conditions it provides. Illinois is a major coal-producing state. Much of the bedrock surface is of Pennsylvanian age, including "cyclothemes", regular sequences of limestone, shale and coal layers. Newer rocks may have once existed in the State, but ...
In the 1930s, the State of Illinois appropriated $300,000 which was supplemented by a $245,454 Public Works Administration grant for a new building to house Illinois State Geological Survey and Illinois Natural History Survey operations. [28] The Natural Resources Building, located on Peabody Drive in Champaign, was dedicated on November 15, 1940.
Ecoregions of North America, featuring the 50 United States, the District of Columbia and the five inhabited territories. The following is a list of United States ecoregions as identified by the World Wide Fund for Nature (WWF). The United States is a megadiverse country with a high level of endemism across a wide variety of ecosystems.