Survey of the Fishing Grounds on the Coasts of Washington and Oregon in 1914 PDF Download
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Author: Waldo Lasalle Schmitt
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 32
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Book Description
Author: Waldo Lasalle Schmitt
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 32
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Book Description
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309083400
Category : Science
Languages : en
Pages : 137
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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: Douglas Clyde Wilson
Publisher: Springer Science & Business Media
ISBN: 9401733236
Category : Science
Languages : en
Pages : 324
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Book Description
For two decades the idea of governments and fishers working together to manage fisheries has been advocated, questioned, disparaged and, most importantly, attempted in fisheries from North and South America through Europe, Africa, Asia and Oceania. This book is the first time these experiences have been pulled together in a single volume, summarized and explained. The Fisheries Co-management Experience begins with a review of the intellectual foundations of the co-management idea from several professional perspectives. Next, fisheries researchers from six global regions describe what has been happening on the ground in their area. Finally, the volume offers a set of reflections by some of the best authors in the field. The end result describes both the state-of-the-art and emerging issues for one of the most important trends in natural resources management.
Author: Constantine Stamatopoulos
Publisher: Fao
ISBN:
Category : Business & Economics
Languages : en
Pages : 148
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Book Description
This handbook summarises the experience gained over recent years in fishery statistical development by the Fishery Information, Data and Statistics Unit of the FAO, and provides guidance for developing and implementing cost-effective and sustainable fishery surveys. The methodological and operational concepts discussed apply equally to marine and inland capture fisheries. The emphasis is placed on the understanding and interpretation of the statistics, rather than on the computations producing them.
Author: United States. Board of Engineers for Rivers and Harbors
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 400
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Book Description
Author: Great Britain. Parliament. House of Commons
Publisher:
ISBN:
Category : Bills, Legislative
Languages : en
Pages : 1106
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Book Description
Author: Great Britain. Parliament. House of Commons
Publisher:
ISBN:
Category : Great Britain
Languages : en
Pages : 1192
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Book Description
Author: J. A. Gulland
Publisher:
ISBN:
Category : Nature
Languages : en
Pages : 292
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Book Description
Author: United States. Bureau of Fisheries
Publisher:
ISBN:
Category :
Languages : en
Pages : 664
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Book Description
Author: Peter Boyle
Publisher: John Wiley & Sons
ISBN: 1405145439
Category : Technology & Engineering
Languages : en
Pages : 464
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Book Description
Squid, cuttlefish and octopuses, which form the marine mollusc group the cephalopods, are of great and increasing interest to marine biologists, physiologists, ecologists, environmental biologists and fisheries scientists. Cephalopods: ecology and fisheries is a thorough review of this most important animal group. The first introductory section of the book provides coverage of cephalopod form and function, origin and evolution, Nautilus, and biodiversity and zoogeography. The following section covers life cycles, growth, physiological ecology, reproductive strategies and early life histories. There follows a section on ecology, which provides details of slope and shelf species, oceanic and deep sea species, population ecology, trophic ecology and cephalopods as prey. The final section of the book deals with fisheries and ecological interactions, with chapters on fishing methods and scientific sampling, fisheries resources, fisheries oceanography and assessment and management methods. This scientifically comprehensive and beautifully illustrated book is essential reading for marine biologists, zoologists, ecologists and fisheries managers. All libraries in universities and research establishments where biological sciences and fisheries are studied and taught should have multiple copies of this landmark publication on their shelves.
