Fish of Two Dike Pools in the Lower Mississippi River PDF Download
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Author: Robert W. Nailon
Publisher:
ISBN:
Category : Aquatic ecology
Languages : en
Pages : 82
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Book Description
Dike structures, designed and installed by the U.S. Army Corps of Engineers in the Lower Mississippi River, can modify river geomorphology, discharge rates, and sediment movements within the river. These changes in the river's characteristics, plus the presence of the dikes themselves, result in shifts in types, sizes, and variety of aquatic habitats on a yearly basis. At low water river stages, isolated dike pools bordered by bars are formed, creating distinct aquatic habitats which are quite variable in size and depth. Fish and water samples collected in two such dike pools as well as from the adjacent river border wee used to determine the importance of dike pool habitats to fish communities during a low water period of 1980. Hydrological results indicate that overall differences in water quality were easily distinguishable once stratification began. Surface readings of dissolved oxygen, temperature, and pH were generally higher in the pool habitats than in the main channel. As depth increased, the opposite was true for dissolved oxygen, temperature, and pH. Conductivity at the bottom in the pools during isolation was much higher than in the main channel.
Author: Robert W. Nailon
Publisher:
ISBN:
Category : Aquatic ecology
Languages : en
Pages : 82
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Book Description
Dike structures, designed and installed by the U.S. Army Corps of Engineers in the Lower Mississippi River, can modify river geomorphology, discharge rates, and sediment movements within the river. These changes in the river's characteristics, plus the presence of the dikes themselves, result in shifts in types, sizes, and variety of aquatic habitats on a yearly basis. At low water river stages, isolated dike pools bordered by bars are formed, creating distinct aquatic habitats which are quite variable in size and depth. Fish and water samples collected in two such dike pools as well as from the adjacent river border wee used to determine the importance of dike pool habitats to fish communities during a low water period of 1980. Hydrological results indicate that overall differences in water quality were easily distinguishable once stratification began. Surface readings of dissolved oxygen, temperature, and pH were generally higher in the pool habitats than in the main channel. As depth increased, the opposite was true for dissolved oxygen, temperature, and pH. Conductivity at the bottom in the pools during isolation was much higher than in the main channel.
Author:
Publisher:
ISBN:
Category : Fish culture
Languages : en
Pages : 1088
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Book Description
Author: Mark B. Sandheinrich
Publisher:
ISBN:
Category : Dikes (Engineering)
Languages : en
Pages : 60
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Book Description
A review of pertinent research, suggests that dikes and revetments have short-term and long-term effects on major riverine ecosystems. Short-term effects may be beneficial and include increases in aquatic habitat diversity physical stability which, in turn, results in high densities and diversities of fish and macroinvertebrates within the main stem of the river. Dike fields are intermediate physically, chemically, and biologically to the main channel and backwaters of rivers. Dike fields often support the most diverse fish and macroinvertebrate community of any habitat within the river. But community composition is less stable than backwaters and is dependent upon river stage and water velocity. Moderate and slow-water areas within dike fields provide important spawning and nursery areas for many lotic species of fish within the modified river. Revetments of broken rock stabilize banks and provide additional hard substrate for colonization by dense populations of invertebrates. Interstitial spaces between rocks may provide areas of moderate flow for juvenile and forage fish. Long-term effects of river training structures may be detrimental to the biotic integrity of the river.
Author:
Publisher:
ISBN:
Category : Aplodinotus
Languages : en
Pages : 50
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Book Description
Author: Stephen P. Cobb
Publisher:
ISBN:
Category : Aquatic ecology
Languages : en
Pages : 184
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Book Description
Author: Stephen T. Ross
Publisher: Univ. Press of Mississippi
ISBN: 9781578062461
Category : Nature
Languages : en
Pages : 652
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Book Description
The deluxe, comprehensive guide to the native species of Mississippi Download Plain Text version Where was the largest bass caught in Mississippi? What streams are sometimes home to the gulf sturgeon? How can an angler tell a grass pickerel from a walleye? In Inland Fishes of Mississippi, Stephen T. Ross answers these questions and many more. Mississippi waters are some of the richest inland fish habitats in the United States. In fact, only four states have more native fish than Mississippi's 204. Inland Fishes of Mississippi is for anglers and nature lovers who want to learn more about this thriving diversity. Introductory chapters present the history of the study of fish in Mississippi, the distribution patterns of species, important conservation issues, and valuable information on identifying fish by examining body shape and structure. Following these are illustrated keys to all the families of fish known to inhabit inland waters. Each key is a detailed guide to identifying the specific species within a family of fish. Keys include: color photographs of freshly collected examples meanings of scientific names for fish descriptions of color and physical changes maximum sizes of fish, including records for game fish precise maps of distribution vital information on habitat requirements, feeding, and behavior tips on where to catch a species status of conservation efforts For both the casual angler and the ichthyologist, Inland Fishes of Mississippi will prove a constant resource and an irreplaceable asset for identifying, observing, and catching the state's various species. Stephen T. Ross is professor of biological sciences and Curator of Fishes at the University of Southern Mississippi. The editor for ecology and ethology of Copeia, he has also published articles in numerous journals such as American Naturalist, Environmental Biology of Fishes, and Transactions of the American Fisheries Society.
Author: U.S. Army Engineer Waterways Experiment Station
Publisher:
ISBN:
Category : Coastal engineering
Languages : en
Pages : 408
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Book Description
Author: David C. Beckett
Publisher:
ISBN:
Category : Aquatic invertebrates
Languages : en
Pages : 146
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Book Description
Author:
Publisher:
ISBN:
Category : Aquatic ecology
Languages : en
Pages : 154
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Author: Mississippi Academy of Sciences
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 436
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Book Description
