Spatial Characteristics of Atlantic Sea Scallops (P̲l̲a̲c̲o̲p̲e̲c̲t̲e̲n̲ M̲a̲g̲e̲l̲l̲a̲n̲i̲c̲u̲s̲) on Northern Georges Bank PDF Download
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Author: Edmund A. Hughes
Publisher:
ISBN:
Category : Placopecten magellanicus
Languages : en
Pages : 298
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Book Description
Author: Edmund A. Hughes
Publisher:
ISBN:
Category : Placopecten magellanicus
Languages : en
Pages : 298
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Book Description
Author: Bradley Paul Harris
Publisher:
ISBN:
Category :
Languages : en
Pages : 136
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Book Description
Author: Clyde L. MacKenzie
Publisher:
ISBN:
Category : Placopecten magellanicus
Languages : en
Pages : 48
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Book Description
Author: Christopher L. Sarro
Publisher:
ISBN:
Category :
Languages : en
Pages : 142
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Book Description
Author: Frederic M. Serchuk
Publisher:
ISBN:
Category : Georges Bank
Languages : en
Pages : 132
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Book Description
Author: Frank P. Almeida
Publisher:
ISBN:
Category : Fish stock assessment
Languages : en
Pages : 9
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Book Description
Sea scallop gonad samples collected by U.S. commercial scallop vessels fishing Georges Bank during January-August 1993 were analyzed macroscopically and histologically to determine maturity stage and time of spawning on the bank. Reports of a possible winter-early spring spawn on Georges Bank prompted the analysis, which has important biological and management implications. The analyses indicated a general progression from early developmental stages iwinter earlyly spring to ripe in July-August. Gonadosomatic indices indicated a steady progression of maturatIon during July-August. There was, however. a single male scallop, collected south of Martha's Vineyard in early February, that appeared to be actively spawning and two females collected from the Great South Channel area east of Chatham, Mass. in early May in a late developing stage. It is not known whether these three scallops were contributing to a spring spawn in the Southem New England area or on Georges Bank, or were simply maturing earlier during 1993 in response to environmental conditions.
Author: Katherine J Thompson
Publisher:
ISBN:
Category : Marine science
Languages : en
Pages : 100
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Book Description
Author: Jonathan D. Carey
Publisher:
ISBN:
Category :
Languages : en
Pages : 172
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Book Description
Author: Sandra E. Shumway
Publisher: Elsevier
ISBN: 0444627197
Category : Technology & Engineering
Languages : en
Pages : 1216
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Book Description
Scallops: Biology, Ecology, Aquaculture and Fisheries, Third Edition, continues its history as the definitive resource on scallops, covering all facets of scallop biology, including anatomy, taxonomy, physiology, ecology, larval biology, and neurobiology. More than thirty extensive chapters explore both fisheries and aquaculture for all species of scallops in all countries where they are fished or cultured. This treatise has been updated to include the most recent advances in research and the newest developments within the industry. As aquaculture remains one of the fastest-growing animal food-producing sectors, this reference becomes even more vital. It has all the available information on scallops needed to equip researchers to deal with the unique global issues in the field. - Offers 30 detailed chapters on the development and ecology of scallops - Provides chapters on various cultures of scallops in China, Japan, Scandinavia, Europe, Eastern North America, and Western North America - Includes details of scallop reproduction, nervous system, and behavior, genetics, diseases, parasites, and much more - Completely updated edition with valuable information on one of the most widely distributed shellfish in the world
Author: Charles Grant Law
Publisher:
ISBN:
Category : Patinopecten
Languages : en
Pages : 120
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Book Description
This project focuses on the population dynamics of sea scallops in the Middle Atlantic Bight and Georges Bank/Southern New England regions. Most sea scallop biomass now occurs within the confines of large federally mandated closed areas and the fishery has moved toward a rotational harvesting strategy. With this dissertation we develop a biophysical model that enables the role of physical variability in this system, and how it interacts with life history processes to shape local and global population dynamics for sea scallops. The modeling effort will link hind-cast circulation simulations, an individual- based model for larval drift and an adult, size-structured, spatial population model. The results of these modeling efforts are compiled and interpreted in such a way as to be useful to managers of the sea scallop fishery. The final goal is to provide information about the impacts of environmental factors on sea scallop population dynamics so that the fishery can be managed proactively instead of reactively. Understanding the connections between sea scallop sub-populations, and how they vary from year to year, should be valuable in assessing the impacts of various real-world management strategies. The thesis is organized in four chapters: the first is an introduction, the second develops the dispersal kernels, the third integrates them into a metapopulation model, and the fourth describes the entire project in a style appropriate for a technical magazine.
