Age, Size Structure and Growth Parameters of Geoducks (Panopea Abrupta, Conrad 1849) from Seven Locations in British Columbia Sampled in 2001 and 2002 PDF Download
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Author:
Publisher:
ISBN:
Category : Pacific geoduck
Languages : en
Pages : 29
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Book Description
Author:
Publisher:
ISBN:
Category : Pacific geoduck
Languages : en
Pages : 29
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Book Description
Author: Canada. Dept. of Fisheries and Oceans
Publisher: Nanaimo, B.C. : Fisheries and Oceans Canada
ISBN:
Category : Pacific geoduck
Languages : en
Pages : 29
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Book Description
Author: Canada. Dept. of Fisheries and Oceans
Publisher: Nanaimo, B.C. : Fisheries and Oceans Canada
ISBN:
Category : Fish stock assessment
Languages : en
Pages : 84
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Book Description
Author: Dominique Bureau
Publisher:
ISBN:
Category : Pacific geoduck
Languages : en
Pages : 84
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Book Description
Samples of geoduck clams were collected from 34 locations throughout BC between 1993 and 2000. Clam were measured for total weight, shell length, shell weight and were aged. Summary statistics, age-frequency distributions and growth curves are presented by survey location and by geographic area. Relationships for shell length - age, total weight - shell length, total weight - age and shell weight - age were calculated for all 34 samples and eight geographic areas. Geoducks from Southern BC were generally smaller, younger and grew faster than geoducks from Northern BC. Possible causes for the smaller size and younger age in Southern BC are: 1- removal by the fishery of large old clams in Southern beds, 2- higher recruitment rates in Southern BC, or 3- pre-existing differences between Southern and Northern BC. Recent recruitment events were noted in several geoduck populations throughout BC and over a range of harvest histories. Variability in growth rates between and within regions suggests that the use of a single exploitation rate in the management of the BC geoduck fishery should be reviewed.
Author:
Publisher:
ISBN:
Category : Shellfish
Languages : en
Pages : 436
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Book Description
Author: California Cooperative Oceanic Fisheries Investigations (Program)
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 200
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Book Description
Author:
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 196
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Author: California Cooperative Oceanic Fisheries Investigations (Program)
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 906
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Author:
Publisher:
ISBN:
Category : Animals
Languages : en
Pages : 532
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Book Description
Author: Rose Kormanyos
Publisher:
ISBN:
Category : Sclerochronology
Languages : en
Pages : 80
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