Download or read book 9 foot Navigation Channel Project Channel Maintenance Management Plan Upper Mississippi River Head of Navigation to Guttenburg written by and published by . This book was released on 1997 with total page 674 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Mitigation and Enhancement Techniques for the Upper Mississippi River System and Other Large River Systems written by Rosalie A. Schnick and published by . This book was released on 1982 with total page 742 pages. Available in PDF, EPUB and Kindle. Book excerpt: Large river systems are valuable national resources that provide numerous benefits to travel, shipping, recreation, and fish and wildlife. However, efforts to expand one of the uses frequently come in direct conflict with one or more of the othersThis guide attempts to bring together all scientific data that are available on techniques that have been or can be used to offset or reduce the impacts of development and maintenance of Upper Mississippi River System or other large river systems. Decision makers are thus provided an objective descriptin of options now at their disposal when they attempt to weigh the merits of defects associated with a particular action.

Download or read book Freshwater Mussels of Texas written by Robert G. Howells and published by University of Texas Press. This book was released on 1996-09 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: Species. Freshwater mussels are the most rapidly declining group of animals in North America. This guide represents a first-ofits-kind reference to assist both biologists and naturalists in the identification and study of freshwater mussels. Freshwater Mussels of Texas contains 224 pages with 226 black and white photographs, 144 color photographs and 79 line drawings covering all 52 species found in Texas waters. Introductory sections cover basic anatomy, reproduction.

Download or read book Resource Publication written by and published by . This book was released on 1982 with total page 952 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Survey of Mississippi River Mussels mollusca Unionacea in the Vicinity of the Proposed U S Route 36 written by Jeanine M. K. Berlocher and published by . This book was released on 1987 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Water quality Assessment of Part of the Upper Mississippi River Basin Minnesota and Wisconsin written by and published by . This book was released on 1996 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Status and Trends of the Nation s Biological Resources V 1 and 2 written by Catherine E. Puckett Haecker and published by Geological Survey (USGS). This book was released on 1998 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt: Assesses the health of the United States plants, animals, and ecosystems.

Download or read book Biological Report written by and published by . This book was released on 1985 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Final Environmental Impact Statement written by and published by . This book was released on 1996 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Status and Trends of the Nation s Biological Resources written by and published by . This book was released on 1998 with total page 994 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Minnesota s Endangered Flora and Fauna written by Barbara Coffin and published by U of Minnesota Press. This book was released on 1988 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides information on status, habitat, identification, and conservation recommendations for endangered species of plants, animals, and insects

Download or read book Preview of Status and Trends of the Nation s Biological Resources written by and published by . This book was released on 1998 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists the contents of the full two-volume report, and gives the text of the chapter on the Mississippi River from vol. 1.

Download or read book Survey of Rock River Mussels mollusca Unionidae in the Vicinity of Castle Rock State Park Ogle County Illinois written by Jeanine M. K. Berlocher and published by . This book was released on 1988 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Effects of Contaminants on Naiad Mollusks Unionidae written by Marian E. Havlik and published by . This book was released on 1987 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although the uptake, storage, and elimination of contaminants by naiad mollusks has been studied, relatively little information is available on toxicity. Contaminants appear to have destroyed some populations directly by exerting toxic effects, or indirectly by causing or contributing to the elimination of essential food organisms or host fish. Often two or more factors appear to work in combination to producethe total stress that adversel affects populations. Naiad mollusks are important indicators of contaminants in the environment; residues in soft tissue indicate recent or current exposure, and residues in shells indicate past exposure.

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Download or read book Water resources Investigations Report written by and published by . This book was released on 1997 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Comprehensive Master Plan for the Management of the Upper Mississippi River Basin written by and published by . This book was released on 1982 with total page 730 pages. Available in PDF, EPUB and Kindle. Book excerpt: