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Author: Publisher: ISBN: Category : Fishes Languages : en Pages : 98
Book Description
In 1965 the Sandy Hook Marine Laboratory began research on the extent to which migratory fishes of the Atlantic coast depend on estuaries during the early period of their lives.
Author: Sandy Hook Marine Laboratory Publisher: ISBN: Category : Estuaries Languages : en Pages : 136
Book Description
In 1965, the Sandy Hook Marine Laboratory began research on the extent to which migratory fishes of the Atlantic coast depend on estuaries as essential habitat during the early period of their lives. The final goal is to determine the effects on fishes of the physical disruption and pollution of estuaries that have accompanied coastal development of the last two decades.
Author: Publisher: ISBN: Category : Fishes Languages : en Pages : 98
Book Description
In 1965 the Sandy Hook Marine Laboratory began research on the extent to which migratory fishes of the Atlantic coast depend on estuaries during the early period of their lives.
Author: James D. McCleave Publisher: Springer Science & Business Media ISBN: 1461327636 Category : Science Languages : en Pages : 567
Book Description
The last major synthesis of our knowledge of fish migration and the underlying transport and guidance phenomena, both physical and biological, was "Fish Migration" published 16 years ago by F.R. Harden Jones (1968). That synthesis was based largely upon what could be gleaned by classical fishery-biology techni.ques, such as tagging and recapture studies, commercial fishing statistics, and netting and trapping studies. Despite the fact that Harden Jones also provided, with a good deal of thought and speculation, a theoretical basis for studying the various aspects of fish migration and migratory orientation, progress in this field has been, with a few excepti.ons, piecemeal and more disjointed than might have been expected. Thus we welcomed the approach from the NATO Marine Sciences Programme Panel and the encouragement from F.R. Harden Jones to develop a proprosal for, and ultimately to organize, a NATO Advanced Research Institute (ARI) on mechanisms of fish migration. Substantial progress had been made with descriptive, analytical and predictive approaches to fish migration since the appearance of "Fish ~ligration." Both because of the progress and the often conflicting results of research, we felt that the time was again right and the effort justified to synthesize and to critically assess our knowledge. Our ultimate aim was to identify the gains and shortcomings and to develop testable hypotheses for the next decade or two.
Author: W. G. Smith Publisher: ISBN: Category : Bothidae Languages : en Pages : 636
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.
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Author: Sandy Hook Marine Laboratory
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Author: James D. McCleave
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Author: United States. Bureau of Sport Fisheries and Wildlife
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Author: W. G. Smith