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Author: Charles Samuel Manooch (III)
Publisher:
ISBN:
Category : Anadromous fishes
Languages : en
Pages : 132
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Book Description
Author: Charles Samuel Manooch (III)
Publisher:
ISBN:
Category : Anadromous fishes
Languages : en
Pages : 132
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Book Description
Author:
Publisher: Washington Sea Grant
ISBN:
Category : Anadromous fishes
Languages : en
Pages : 176
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Book Description
Author: Kenneth O. Allen
Publisher:
ISBN:
Category : Dredges
Languages : en
Pages : 98
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Author:
Publisher:
ISBN: 9781423504863
Category :
Languages : en
Pages : 177
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Book Description
This final Dredged Material Management Plan/Environmental Impact Statement (DMMP/EIS) presents the Corps of Engineers programmatic plan for maintenance of the authorized navigation channel and certain publicly owned facilities in the Lower Snake River reservoirs between Lewiston, Idaho and the Columbia River, and McNary reservoir on the Columbia River for 20 years; for management of dredged material from these reservoirs; and for maintenance of flow conveyance capacity at the most upstream extent of the Lower Granite reservoir for the remaining economic life of the dam and reservoir project (to year 2074) The Corps, along with the U.S. Environmental Protection Agency, analyzed four alternatives for this Final DMMP/EIS: Alternative 1 - No Action (No Change) - Maintenance Dredging With In-Water Disposal; Alternative 2- Maintenance Dredging With In-Water Disposal to Create Fish Habitat and a 3-Foot Levee Raise; Alternative 3 - Maintenance Dredging With Upland Disposal and a 3- Foot levee Raise; and Alternative 4 - Maintenance Dredging With Beneficial Use of Dredged Material and a 3-Foot Levee Raise (Recommended Plan/Preferred Alternative).
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309169801
Category : Science
Languages : en
Pages : 136
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Book Description
Concerns over the potential ecological effects of fishing have increased with the expansion of fisheries throughout the marine waters of the United States. Effects of Trawling and Dredging on Seafloor Habitat describes how assessment of fishing impacts depends on gear type, number and location of bottom tows, and the physical and biological characteristics of seafloor habitats. Many experimental studies have documented acute, gear-specific effects of trawling and dredging on various types of habitat. These studies indicate that low mobility, long-lived species are more vulnerable to towed fishing gear than short-lived species in areas where the seabed is often disturbed by natural phenomena. Trawling and dredging may also change the composition and productivity of fish communities dependent on seafloor habitats for food and refuge. The scale of these impacts depends on the level of fishing effort. This volume presents color maps of fishing effort for all regions with significant bottom trawl or dredge fisheries-the first time that such data has been assembled and analyzed for the entire nation.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 98
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Book Description
Author:
Publisher:
ISBN:
Category : Dredging
Languages : en
Pages : 80
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Author:
Publisher:
ISBN: 9781423504870
Category :
Languages : en
Pages : 79
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Book Description
This final Dredged Material Management Plan/Environmental Impact Statement (DMMP/EIS) presents the Corps of Engineers programmatic plan for maintenance of the authorized navigation channel and certain publicly owned facilities in the Lower Snake River reservoirs between Lewiston, Idaho and the Columbia River, and McNary reservoir on the Columbia River for 20 years; for management of dredged material from these reservoirs; and for maintenance of flow conveyance capacity at the most upstream extent of the Lower Granite reservoir for the remaining economic life of the dam and reservoir project (to year 2074) The Corps, along with the U.S. Environmental Protection Agency, analyzed four alternatives for this Final DMMP/EIS: Alternative 1 - No Action (No Change) - Maintenance Dredging With In-Water Disposal; Alternative 2- Maintenance Dredging With In-Water Disposal to Create Fish Habitat and a 3-Foot Levee Raise; Alternative 3 - Maintenance Dredging With Upland Disposal and a 3- Foot levee Raise; and Alternative 4 - Maintenance Dredging With Beneficial Use of Dredged Material and a 3-Foot Levee Raise (Recommended Plan/Preferred Alternative).
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 610
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 484
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Book Description
