Recent proposals to expand the Upper Mississippi River Illinois Waterway (UMR-IWW) ? a major transportation route for products moving to and from Illinois, Iowa, Minnesota, Missouri, and Wisconsin ? have met with significant controversy. Some of this controversy centers on the cumulative environmental effects of the current navigation system and the proposed expansion. The Upper Mississippi River System (UMRS) ? which includes the navigation channel and surrounding floodplain ? supports an unusually large number of species for a temperate river. The UMR-IWW navigation system alters UMRS habitat and contributes to a decline in the abundance of some species. For example, locks, dams, and other channel structures inhibit the movement of fish between and within river segments; fill side channels, backwaters, and wetlands with sediment; and suppress plant growth by reducing water clarity.
Recent proposals to expand the Upper Mississippi River Illinois Waterway (UMR-IWW) ? a major transportation route for products moving to and from Illinois, Iowa, Minnesota, Missouri, and Wisconsin ? have met with significant controversy. Some of this controversy centers on the cumulative environmental effects of the current navigation system and the proposed expansion. The Upper Mississippi River System (UMRS) ? which includes the navigation channel and surrounding floodplain ? supports an unusually large number of species for a temperate river. The UMR-IWW navigation system alters UMRS habitat and contributes to a decline in the abundance of some species. For example, locks, dams, and other channel structures inhibit the movement of fish between and within river segments; fill side channels, backwaters, and wetlands with sediment; and suppress plant growth by reducing water clarity.
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and...
This report compiles data and findings from the Upper Mississippi River Basin Commission's surveys, studies, and projects on issues related to flood control, navigation, irrigation, power...
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and...
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and...
This is an EXACT reproduction of a book published before 1923. This IS NOT an OCR'd book with strange characters, introduced typographical errors, and jumbled words. This book may have occasional...
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