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Author:
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 446
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Book Description
Author:
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 446
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Book Description
Author: Southwest Fisheries Center (U.S.)
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 830
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Author:
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 656
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Author:
Publisher:
ISBN:
Category : Fish-culture
Languages : en
Pages : 614
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Book Description
Author: John E. Huguenin
Publisher: Elsevier Publishing Company
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 276
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Book Description
The primary objective of this book is to provide basic information and considerations needed for the design, construction and operation of seawater systems for culturing purposes. The seawater flow rate range of 10-1000 gallons (approximately 40-4000 liters) per minute, has been chosen because it includes the vast majority of such systems currently in use. While the objectives of these systems vary widely, they all depend on a common technological and biological data base. Since the seawater system is usually only a means to an end, most potential users have little prior practical experience or technical knowledge in this area. Practical information on seawater systems for culturing purposes tends to be fragmented and not readily available in usable form. Most conventional engineering experience is with marine systems which are orders of magnitude larger. This technology is often not readily scaled down, or directly useable, and more than likely prohibitively expensive. The subject of this book crosses many different disciplines, interests, and backgrounds. This can cause considerable confusion with definitions and units of measure.
Author: Southwest Fisheries Center (U.S.)
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 284
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Book Description
Author: United States. National Marine Fisheries Service
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 60
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Book Description
Author: W. G. Smith
Publisher:
ISBN:
Category : Bothidae
Languages : en
Pages : 636
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Book Description
Larval flatfishes, representing 4 families, 17 genera, and 15 species, were identified from collections taken during a 1-yr survey designed to locate spawning grounds and trace dispersion of fish eggs and larvae on the continental shelf. Most flatfishes began spawning in the spring, a time of marked seasonal temperature change. The seasonal distribution of larvae indicated that: 1) bothids had longer spawning seasons than pleuronectids; 2) pleuronectids spawned largely in the northern half of the survey area during the spring; 3) most bothids spawned in the southern half, beginning in spring and continuing through early fall; 4) although cynoglossids spawned incidentally off North Carolina, most of their larvae were transported into the survey area from spawning grounds south of Cape Lookout; 5) the few representatives of the family Soleidae originated south of Cape Lookout; 6) spawning that began in the spring proceeded from south to north as the season progressed, but spawning that began in the fall proceeded from north to south, suggesting that the onset of spawning is triggered by spring warming and fall cooling; 7) most species spawned within a relatively narrow range of temperature; 8) salinity had no apparent influence on spawning.
Author:
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 232
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Book Description
Author: Clarence W. Davis
Publisher:
ISBN:
Category : Ocean temperature
Languages : en
Pages : 28
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Book Description
