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Influence Of Wing Dam Notching On Aquatic Macroinvertebrates In Pool 13 Upper Mississippi River
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Book Synopsis Influence of Wing Dam Notching on Fish, Aquatic Macroinvertebrates, Hydrographic Relief, Current Velocity, Substrate, Water Temperature, and Dissolved Oxygen in Pool 13, Upper Mississippi River by : Scott D. Corley
Download or read book Influence of Wing Dam Notching on Fish, Aquatic Macroinvertebrates, Hydrographic Relief, Current Velocity, Substrate, Water Temperature, and Dissolved Oxygen in Pool 13, Upper Mississippi River written by Scott D. Corley and published by . This book was released on 1982 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Influence of Wing Dam Notching on Aquatic Macroinvertebrates in Pool 13, Upper Mississippi River by : Thomas J. Hall
Download or read book Influence of Wing Dam Notching on Aquatic Macroinvertebrates in Pool 13, Upper Mississippi River written by Thomas J. Hall and published by . This book was released on 1980 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: Benthic and colonizing macroinvertebrates and physicochemical characteristics were studied at six wing dams and an adjacent side channel in the prenotching phase of a project to determine the effects of wing dam notching on aquatic macroinvertebrates. Water temperature and dissolved oxygen concentration were uniform with depth in each sampling period but varied among periods. Current velocity varied with sampling period because staff gauge, i.e. discharge, varied with time. Current velocity decreased with depth. The substrate was mainly medium sand because bottom current velocities ranged from 22 to 43 cm/s during 1978. Fifty-six taxa of macroinvertebrates were collected with a Ponar grab sampler in 1978. Oligochaeta, the most abundant class, comprised 51% of benthic invertebrate density. Hexagenia bilineata (Say), Hexagenia limbata (Serville), and early instars of Hexagenia spp. made up 64% of the benthic biomass. Total benthic invertebrate, oligochaete, Hexagenia spp., and chironomid density, and biomass and number of benthic taxa each were positively, significantly related to percent silt-clay in the substrate. All of these macroinvertebrate categories were negatively, significantly related to percent sand in the substrate. The wing dams were islands of rock in a sea of sand. Basket samplers collected 26.5 times more macroinvertebrate numbers and 14.3 times more biomass than the Ponar grab sampler made earlier. These differences were related to habitat, i.e. basket samplers collected invertebrates from a lotic-erosional habitat, and the Ponar grab sampler sampled a lotic-depositional habitat.
Download or read book Biological Report written by and published by . This book was released on 1986 with total page 676 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Comprehensive Master Plan for the Management of the Upper Mississippi River Basin by :
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 798 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mitigation and Enhancement Techniques for the Upper Mississippi River System and Other Large River Systems by : Rosalie A. Schnick
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 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 GREAT II written by and published by . This book was released on 1980 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Ecology of Pools 11-13 of the Upper Mississippi River by : James W. Eckblad
Download or read book The Ecology of Pools 11-13 of the Upper Mississippi River written by James W. Eckblad and published by . This book was released on 1986 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Main Report written by and published by . This book was released on 1980 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fisheries Review written by and published by . This book was released on 1992 with total page 948 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fish Populations Associated with Wing and Closing Dams on the Upper Mississippi River by : John Pitlo
Download or read book Fish Populations Associated with Wing and Closing Dams on the Upper Mississippi River written by John Pitlo and published by . This book was released on 1998 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fisheries and Wildlife Research by :
Download or read book Fisheries and Wildlife Research written by and published by . This book was released on 1981 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: Report on activities in the divisions of research.
Download or read book Technical Bulletin written by and published by . This book was released on 1987 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Indexed Bibliography on Stream Habitat Improvement by :
Download or read book Indexed Bibliography on Stream Habitat Improvement written by and published by . This book was released on 1988 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Technical Abstract Bulletin written by and published by . This book was released on 1981 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Physical and Biological Investigations of the Main Channel Border Habitat of Pool 5A by : Dennis D. Anderson
Download or read book Physical and Biological Investigations of the Main Channel Border Habitat of Pool 5A written by Dennis D. Anderson and published by . This book was released on 1983 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the International Large River Symposium (LARS) by : D. P. Dodge
Download or read book Proceedings of the International Large River Symposium (LARS) written by D. P. Dodge and published by Fisheries and Oceans, Communications Directorate. This book was released on 1989 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main objectives of LARS were 1) To produce reliable estimates of fish yield by: a) reviewing existing estimators of production and standing stocks in large rivers and b) summarizing current river inventory and assessment techniques for biotic and abiotic variables; 2) To publish the case studies and synthesis papers; 3) To identify areas requiring further study to improve river resource management; and 4) To improve communication and liaison between scientists in research and management, university and government.
