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The Illinois River Basin, its Natural Resource Values,
Conservation and Restoration

The Illinois River and its basin tributaries touch the lives of millions of Illinois citizens daily. Its importance both in terms of its economic value and its environmental significance is immeasurable. The following sections describe some of the many important River uses that are relied on by a large percent of the state's citizenry and the problems faced by one of Illinois’ most valued resources.

river mussel

Little more than 150 years ago, the Illinois River basin was the haven of one of the most diverse, abundant, and valuable river systems found anywhere in the United States. The wealth of natural resources within its basin; its fertile soils, timbered lands, and flowing waters teeming with a myriad of waterfowl, furbearers, fish and mussels, contributed immeasurably to the early development and welfare of the state and nation. Since that time the basin and its resources have been subjected to a number of stresses and decimating factors which have severely impacted both the living natural resources (fish, wildlife, etc.) and the physical systems on which these resources depend for their survival.

A discussion of the important decimating and/or stress factors which have affected the basin's natural resources follows, including the quality of the terrestrial and aquatic habitats which are required for the long-term viability of resident plants and animals. Recreational resources have been impacted as natural resources and require action for future generations to enjoy the outdoor opportunities provided by the Illinois River basin.

For additional information select topics below (pdf files):