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Author:
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ISBN:
Category : Aquatic biology
Languages : en
Pages : 90
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Author:
Publisher:
ISBN:
Category : Aquatic biology
Languages : en
Pages : 90
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Author: Mary Katherine Politz
Publisher:
ISBN:
Category : Aquaculture
Languages : en
Pages : 182
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ISBN:
Category : Canada
Languages : en
Pages : 1252
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Author: Mark Grace
Publisher:
ISBN:
Category : Carcharhinidae
Languages : en
Pages : 48
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Author: Environmental Science Information Center. Library and Information Services Division
Publisher:
ISBN:
Category :
Languages : en
Pages : 444
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Author: Environmental Science Information Center. Library and Information Services Division
Publisher:
ISBN:
Category : Book catalogs
Languages : en
Pages : 444
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Author: Jennifer M. Hubbard
Publisher: University of Toronto Press
ISBN: 1442617284
Category : History
Languages : en
Pages : 486
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Located on the Bay of Fundy, the St. Andrews Biological Station is Canada’s oldest permanent marine research institution. A Century of Maritime Science reviews the fisheries, environmental, oceanographic, and aquaculture research conducted over the last hundred years at St. Andrews from the perspective of the participating scientists. Introductory essays by two leading historians of science situate the work at St. Andrews within their historical context. With topics including the contributions of women to the early study of marine biology in Canada; the study of scallops, Atlantic salmon, and paralytic shellfish poisoning; and the development of underwater camera technology, A Century of Maritime Science offers a captivating mixture of first-hand reminiscences, scientific expertise, and historical analysis.
Author: D. Mills
Publisher: Springer Science & Business Media
ISBN: 9400912358
Category : Science
Languages : en
Pages : 604
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At present fishing for salmon in Norwegian home water is carried out with drift nets, bag nets, bend nets, lift nets and stake nets in the sea, and mainly by rods in the rivers. Catch statistics have been collected since 1876, but reliability of the statistics is questionable. The rates of exploitation on many Norwegian salmon stocks are very high, and data are presented and discussed for River Laerdal, River Eira and River Imsa stocks. As a result of this heavy exploitation with nets, the frequency of net-marked salmon entering rivers is high especially for griIse, although most net-marked salmon are only slightly damaged. It is suggested that mortality of salmon that are net-damaged hear or in brackish water is relatively small compared with salmon that escape from nets on the high seas. Some possible effects of selective fishing are also discussed. 159 Status of Exploitation of Atlantic Salmon in Norway REFERENCES Anon. (l985a) Salmon and sea trout fisheries 1984. Central Bureau of Statistics of Norway, Oslo - Kongsvinger, 96 pp. (in Norwegian with English summary) Anon. (I985b) Report of meeting of working group on North Atlantic salmon. ICES C. M. 1985/ Assess, 11, 67 pp. Angelsen, K. K. and Holm, M. (I978) Rapport om garnforslllk med laks, Fisk og Fiskestell, . ; 15-17. (in Norwegian) Berg, M. , Abrahamsen, B. and Berg, O. K. (I986) Spawning of injured compared to uninjured female Atlantic salmon, Salmo salar L. Aquaculture and Fisheries Management, l.
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Author:
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ISBN:
Category :
Languages : en
Pages : 656
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Author: World Data Center A--Oceanography
Publisher:
ISBN:
Category : Oceanography
Languages : en
Pages : 624
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