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Author: John D. Lunz
Publisher:
ISBN:
Category : Aquatic ecology
Languages : en
Pages : 58
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Book Description
Regional habitat development and preservation priorities should be established by identifying target populations, groups, or communities and their support populations in an ecosystem context. Properly planned dredged material habitats can be both visually and functionally compatible with preexisting natural habitats. The character of any upland, island, wetland, or aquatic habitat is determined by both physical (geomorphological, hydrological, climatological) and ecological (succession, competition, predation) principles. Properly planned disposal operations serve to modify physical conditions and thereby influence (with some predictability) biological responses. Chemically enriched (polluted) dredged material can be used to develop productive fish and wildlife habitats if available information about mechanisms affecting chemical solubilization and biological availability is incorporated into project design. Consequences of habitat displacement are not easily avoided because of limited understanding about the relative value of various sizes and configurations of specific habitat types. An awarenes of existing information describing the value of habitat types to management target resources together with studies designed to clarify specific target population-habitat interactions provides the only insurance against cumulative reduction in fish and wildlife resources. Blanket habitat development policies used in lieu of consideration of the unique qualities of each ecosystem should be avoided. (Author).
Author: John D. Lunz
Publisher:
ISBN:
Category : Aquatic ecology
Languages : en
Pages : 58
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Book Description
Regional habitat development and preservation priorities should be established by identifying target populations, groups, or communities and their support populations in an ecosystem context. Properly planned dredged material habitats can be both visually and functionally compatible with preexisting natural habitats. The character of any upland, island, wetland, or aquatic habitat is determined by both physical (geomorphological, hydrological, climatological) and ecological (succession, competition, predation) principles. Properly planned disposal operations serve to modify physical conditions and thereby influence (with some predictability) biological responses. Chemically enriched (polluted) dredged material can be used to develop productive fish and wildlife habitats if available information about mechanisms affecting chemical solubilization and biological availability is incorporated into project design. Consequences of habitat displacement are not easily avoided because of limited understanding about the relative value of various sizes and configurations of specific habitat types. An awarenes of existing information describing the value of habitat types to management target resources together with studies designed to clarify specific target population-habitat interactions provides the only insurance against cumulative reduction in fish and wildlife resources. Blanket habitat development policies used in lieu of consideration of the unique qualities of each ecosystem should be avoided. (Author).
Author:
Publisher:
ISBN:
Category : Plant propagation
Languages : en
Pages : 168
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Book Description
Author: L. Jean Hunt
Publisher:
ISBN:
Category :
Languages : en
Pages : 165
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Book Description
Upland habitat development using dredged material as a substrate was shown by the Dredged Material Research Program (DMRP) to be a feasible alternative to standard dredged material disposal operations. This report synthesizes pertinent literature and research at three major DMRP upland field sites: Miller Sands in the Columbia River, Oregon; Bolivar Peninsula in Galveston Bay, Texas; and Nott Island in the Connecticut River, Connecticut. Guidelines for developing existing or potential dredged material disposal sites into upland habitat are presented: (a) planning and designing the project in relation to the proposed site and project goals; (b) construction of the site including dredging and disposal operations, substrate modifications, and vegetation establishment; (c) maintenance and management of the site as a habitat; (d) costs of proposed and sample projects; and (e) potential problems that may be encountered.
Author: United States. Army. Corps of Engineers
Publisher:
ISBN:
Category : Dredged Material Research Program (U.S.)
Languages : en
Pages : 53
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Book Description
The purpose of this manual is to provide guidance on the development of upland and wetland habitats using dredged material.
Author: Jon R. Duyvejonck
Publisher:
ISBN:
Category : Dredging
Languages : en
Pages : 36
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Book Description
Author: United States. Army. Corps of Engineers
Publisher:
ISBN:
Category : Dredged Material Research Program (U.S.)
Languages : en
Pages : 133
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Book Description
The purpose of this manual is to provide guidelines on using dredged material for the development of upland habitats, and instructions on the planning, building and managing of these areas.
Author: Hanley K. Smith
Publisher:
ISBN:
Category : Artificial islands
Languages : en
Pages : 48
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Book Description
Habitat development using dredged material offers an alternative dredged material disposal method that is often feasible from biological, engineering, and economic standpoints. Careful use of this alternative could significantly increase the extent of wetland and wildlife resources in many parts of the United States. Four general habitats are suitable for establishment on dredged material: marsh, upland, island, and aquatic. Marsh establishment has received more attention than any other habitat development alternative, and techniques have been developed to enable careful planning, design, and propagation of these habitats. Terrestrial habitat development is primarily the application of established wildlife management and soil reclamation procedures at a particular disposal area. The feasibility of both the marsh and terrestrial habitat development alternatives has been documented in numerous field and laboratory studies. Island habitat development uses a standard technique to dispose of dredged material and create exceptionally important wildlife habitat. This is often a viable alternative that can be greatly improved by management techniques. The development of aquatic habitats, such as seagrass meadows and oyster flats, on dredged material appears to offer significant potential for the creation of highly productive biological communities and at the same time provide for large disposal quantities; however, aquatic habitat development is largely untested in the field.
Author: Charles J. Newling
Publisher:
ISBN:
Category : Dredging
Languages : en
Pages : 232
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Author:
Publisher:
ISBN:
Category : Waste disposal sites
Languages : en
Pages : 53
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Book Description
Author: John A. Crawford
Publisher:
ISBN:
Category : Dredged spoil
Languages : en
Pages : 78
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Book Description