Effects of Trawling and Dredging on Seafloor Habitat

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Author :
Publisher : National Academies Press
ISBN 13 : 0309083400
Total Pages : 137 pages
Book Rating : 4.3/5 (9 download)

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Book Synopsis Effects of Trawling and Dredging on Seafloor Habitat by : National Research Council

Download or read book Effects of Trawling and Dredging on Seafloor Habitat written by National Research Council and published by National Academies Press. This book was released on 2002-08-09 with total page 137 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Environmental Aspects of Dredging

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Author :
Publisher : CRC Press
ISBN 13 : 0203894898
Total Pages : 398 pages
Book Rating : 4.2/5 (38 download)

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Book Synopsis Environmental Aspects of Dredging by : R. N. Bray

Download or read book Environmental Aspects of Dredging written by R. N. Bray and published by CRC Press. This book was released on 2008-03-10 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: Expanding a port, deepening a navigation channel or creating new land for development, introduces changes to our physical, social, economic and political environment. Changes may result from events during the construction process, or relate to the nature of the completed structure. Changes can be positive or negative, short-term or long-term, and may affect the immediate vicinity of the project or a larger geographical area. Predicting and assessing all possible effects of a planned dredging activity in a scientifically-sound and reliable manner is essential, so that appropriate control measures can be taken to avoid or mitigate unwelcome impacts. This book provides guidance for a complete holistic environmental evaluation procedure and for the design and implementation of environmental control measures. The book is of particular interest to engineers, government agencies and port authorities, as well as civil engineering consultants and contractors involved in planning and designing dredging, maritime infrastructure and fluvial projects.

Dredging in Coastal Waters

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Author :
Publisher : CRC Press
ISBN 13 : 9780415391115
Total Pages : 272 pages
Book Rating : 4.3/5 (911 download)

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Book Synopsis Dredging in Coastal Waters by : D. Eisma

Download or read book Dredging in Coastal Waters written by D. Eisma and published by CRC Press. This book was released on 2005-12-22 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: The varied use of dredgers has led to the development of a variety of dredger types, from small ones appropriate to modest inshore projects, to very large sea-going dredgers for large-scale projects calling for the storage of dredged material within the ship. This book, which is the first book dedicated to dredging and its environmental impact in the widest sense, contains chapters on dredging operations in the Netherlands, Belgium, the UK, Spain, the US, China and Singapore. Additional chapters discuss more general aspects such as dredging techniques, monitoring of dredging operations, and the prospects of dredging in a changing environment. As well as providing information on dredging activities in different areas, it gives an insight into the activities and problems (environmental or other) involved in modern dredging. It will be of interest to professionals and students alike.

Dredging and Port Construction Around Coral Reefs

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Author :
Publisher : PIANC
ISBN 13 : 2872231773
Total Pages : 94 pages
Book Rating : 4.8/5 (722 download)

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Book Synopsis Dredging and Port Construction Around Coral Reefs by :

Download or read book Dredging and Port Construction Around Coral Reefs written by and published by PIANC. This book was released on 2010 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Dredging and Its Impact

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Publisher :
ISBN 13 :
Total Pages : 170 pages
Book Rating : 4.3/5 (5 download)

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Book Synopsis Dredging and Its Impact by : United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Merchant Marine

Download or read book Dredging and Its Impact written by United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Merchant Marine and published by . This book was released on 1994 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A History of Gold Dredging in Idaho

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Author :
Publisher : University Press of Colorado
ISBN 13 : 1607324741
Total Pages : 342 pages
Book Rating : 4.6/5 (73 download)

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Book Synopsis A History of Gold Dredging in Idaho by : Clark C. Spence

Download or read book A History of Gold Dredging in Idaho written by Clark C. Spence and published by University Press of Colorado. This book was released on 2016-06-15 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt: "A revolution in placer mining from inception in the 1880s until its demise in the 1960s and its impact on Idaho, the nation's fourth leading producer of dredged gold which provides a lens through which to observe the practice and history of gold dredging around the world"--

The Effects of Dredging on the Chemical Characteristics of the Grand River

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Author :
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis The Effects of Dredging on the Chemical Characteristics of the Grand River by : Brian J. Eadie

Download or read book The Effects of Dredging on the Chemical Characteristics of the Grand River written by Brian J. Eadie and published by . This book was released on 1980 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: During spring 1977, water was sampled in the Grand River, which runs through the State of Michigan, to estimate the increased loads of polluting and enriching substances caused by dredging the river channel near its mouth at Lake Michigan. Results indicate that sedimentary material disturbed during the dredging process is carries out to the lake. On an annual basis, the increase in loading is approximately 1 percent for all variables measured; however, during the period of dredging (about 1 week), the increases are approximately 30 percent. The effects of these events on the nearshore ecology are not known at present.

Sedimentation Control to Reduce Maintenance Dredging of Navigational Facilities in Estuaries

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Author :
Publisher : National Academies Press
ISBN 13 : 0309077958
Total Pages : 352 pages
Book Rating : 4.3/5 (9 download)

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Book Synopsis Sedimentation Control to Reduce Maintenance Dredging of Navigational Facilities in Estuaries by : National Research Council

Download or read book Sedimentation Control to Reduce Maintenance Dredging of Navigational Facilities in Estuaries written by National Research Council and published by National Academies Press. This book was released on 1987-02-01 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Impacts of Navigational Dredging on Fish and Wildlife

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Author :
Publisher :
ISBN 13 :
Total Pages : 98 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Impacts of Navigational Dredging on Fish and Wildlife by : Kenneth O. Allen

Download or read book Impacts of Navigational Dredging on Fish and Wildlife written by Kenneth O. Allen and published by . This book was released on 1980 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt:

HEC-6

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Author :
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.3/5 (121 download)

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Book Synopsis HEC-6 by :

Download or read book HEC-6 written by and published by . This book was released on 1995 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Effects of Dredging on Water Quality in the Northwest

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Author :
Publisher :
ISBN 13 :
Total Pages : 176 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Effects of Dredging on Water Quality in the Northwest by : Gary O'Neal

Download or read book Effects of Dredging on Water Quality in the Northwest written by Gary O'Neal and published by . This book was released on 1971 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Treatment of Contaminated Dredged Material

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Publisher :
ISBN 13 :
Total Pages : 54 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Treatment of Contaminated Dredged Material by :

Download or read book Treatment of Contaminated Dredged Material written by and published by . This book was released on 1978 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Ecological Effects of Dredging and Dredge Spoil Disposal

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Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Ecological Effects of Dredging and Dredge Spoil Disposal by : James Walter Morton

Download or read book Ecological Effects of Dredging and Dredge Spoil Disposal written by James Walter Morton and published by . This book was released on 1977 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: The goal of this study was to prepare a comprehensive review of the literature on the physical, chemical, and biological effects of dredging and spoil disposal in estuaries and to identify alternative spoil disposal methods. Specific objectives were to identify the most critical problems relating to dredging and spoil disposal and to summarize the progress made to date in solving these problems. Using literature search facilities, bibliographies, and communications with experts throughout the United States, about 520 scientific and technical articles on dredging and spoil disposal were screened. Information extracted from selected articles is included in this review.

Sediment Dredging at Superfund Megasites

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Author :
Publisher : National Academies Press
ISBN 13 : 0309134102
Total Pages : 316 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Sediment Dredging at Superfund Megasites by : National Research Council

Download or read book Sediment Dredging at Superfund Megasites written by National Research Council and published by National Academies Press. This book was released on 2007-10-30 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: Some of the nation's estuaries, lakes and other water bodies contain contaminated sediments that can adversely affect fish and wildlife and may then find their way into people's diets. Dredging is one of the few options available for attempting to clean up contaminated sediments, but it can uncover and re-suspend buried contaminants, creating additional exposures for wildlife and people. At the request of Congress, EPA asked the National Research Council (NRC) to evaluate dredging as a cleanup technique. The book finds that, based on a review of available evidence, dredging's ability to decrease environmental and health risks is still an open question. Analysis of pre-dredging and post-dredging at about 20 sites found a wide range of outcomes in terms of surface sediment concentrations of contaminants: some sites showed increases, some no change, and some decreases in concentrations. Evaluating the potential long-term benefits of dredging will require that the U.S. Environmental Protection Agency step up monitoring activities before, during and after individual cleanups to determine whether it is working there and what combinations of techniques are most effective.

Hudson River Federal Channel Maintenance Dredging

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Publisher :
ISBN 13 :
Total Pages : 566 pages
Book Rating : 4.3/5 (555 download)

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Book Synopsis Hudson River Federal Channel Maintenance Dredging by : Malcolm Pirnie Engineers, Inc

Download or read book Hudson River Federal Channel Maintenance Dredging written by Malcolm Pirnie Engineers, Inc and published by . This book was released on 1983 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Impact of the Ocean Dumping Act and Federal Dredging Policy on Regional Dredging Issues

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Author :
Publisher :
ISBN 13 :
Total Pages : 320 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Impact of the Ocean Dumping Act and Federal Dredging Policy on Regional Dredging Issues by : United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Oceanography, Gulf of Mexico, and the Outer Continental Shelf

Download or read book Impact of the Ocean Dumping Act and Federal Dredging Policy on Regional Dredging Issues written by United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Oceanography, Gulf of Mexico, and the Outer Continental Shelf and published by . This book was released on 1994 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Coasts and Estuaries

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Author :
Publisher : Elsevier
ISBN 13 : 0128140046
Total Pages : 730 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Coasts and Estuaries by : Eric Wolanski

Download or read book Coasts and Estuaries written by Eric Wolanski and published by Elsevier. This book was released on 2019-01-24 with total page 730 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coasts and Estuaries: The Future provides valuable information on how we can protect and maintain natural ecological structures while also allowing estuaries to deliver services that produce societal goods and benefits. These issues are addressed through chapters detailing case studies from estuaries and coastal waters worldwide, presenting a full range of natural variability and human pressures. Following this, a series of chapters written by scientific leaders worldwide synthesizes the problems and offers solutions for specific issues graded within the framework of the socio-economic-environmental mosaic. These include fisheries, climate change, coastal megacities, evolving human-nature interactions, remediation measures, and integrated coastal management. The problems faced by half of the world living near coasts are truly a worldwide challenge as well as an opportunity for scientists to study commonalities and differences and provide solutions. This book is centered around the proposed DAPSI(W)R(M) framework, where drivers of basic human needs requires activities that each produce pressures. The pressures are mechanisms of state change on the natural system and Impacts on societal welfare (including well-being). These problems then require responses, which are the solutions relating to governance, socio-economic and cultural measures (Scharin et al 2016). - Covers estuaries and coastal seas worldwide, integrating their commonality, differences and solutions for sustainability - Includes global case studies from leading worldwide contributors, with accompanying boxes highlighting a synopsis about a particular estuary and coastal sea, making all information easy to find - Presents full color images to aid the reader in a better understanding of details of each case study - Provides a multi-disciplinary approach, linking biology, physics, climate and social sciences