Assessment of Atlantic Herring in NAFO Division 4T, 1988 PDF Download
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Author: Edward Michael Pakenham Chadwick
Publisher:
ISBN:
Category : Atlantic herring
Languages : en
Pages : 60
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Book Description
Author: Edward Michael Pakenham Chadwick
Publisher:
ISBN:
Category : Atlantic herring
Languages : en
Pages : 60
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Book Description
Author: Canadian Atlantic Fisheries Scientific Advisory Committee
Publisher:
ISBN:
Category :
Languages : en
Pages : 48
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Author: G. Chaput
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Chadwick, E. M. P. (Edward Michael Pakenham)
Publisher: [Dartmouth, N.S.] : Canadian Atlantic Fisheries Scientific Advisory Committee
ISBN:
Category :
Languages : en
Pages : 47
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Book Description
Author: Edward Michael Pakenham Chadwick
Publisher:
ISBN:
Category :
Languages : en
Pages : 47
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Book Description
The introduction to this assessment of the southern Gulf of St. Lawrence herring stock reviews the characteristics of the herring fishery. The assessment then presents the input data (landings, four types of abundance indices calculated from fishery catch rates & research survey data, catch & weight at age from fishery sampling, partial recruitment, natural & fishing mortality) and the assessment results for both spring & fall spawners. Finally, a prognosis for the stock to 1989 is presented and research needs are outlined.
Author: Edward Michael Pakenham Chadwick
Publisher:
ISBN:
Category : Atlantic herring
Languages : en
Pages : 54
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 67
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This paper provides an assessment of the 1989 Atlantic herring fishery. It includes gillnet catch rates calculated from purchase slips and index fishermen, and presents the results of acoustic surveys and spawning bed surveys. It provides an estimation of stock size, for both fall and spring spawners, as well as projections for fall spawners.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 76
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This paper provides an assessment of the 1990 Atlantic herring fishery in the southern Gulf of Saint Lawrence using catch-at- age matrices and gillnet catch rates for spring and fall spawners. It provides estimates of stock size as well as projections for the stock to 1992.
Author: Jennifer McDermid
Publisher:
ISBN:
Category : Atlantic herring
Languages : en
Pages : 122
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Author: R. Claytor
Publisher:
ISBN:
Category : Fish stock assessment
Languages : en
Pages : 137
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