Pre-season Run Size Forecasts for Fraser River Sockeye and Pink Salmon in 2003 PDF Download
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Author: A. J. Cass
Publisher:
ISBN:
Category : Fish stock assessment
Languages : en
Pages : 0
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Author: A. J. Cass
Publisher:
ISBN:
Category : Fish stock assessment
Languages : en
Pages : 0
Get Book Here
Book Description
Author:
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ISBN:
Category :
Languages : en
Pages : 0
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Together the 18 sockeye stocks accounted for 96% of the estimated escapement to the Fraser River in brood year 1999. [...] Together the 18 sockeye stocks accounted for 96% of the estimated escapement to the Fraser River in 1999. [...] The probability of achieving the forecast at the 25%, 50%, 75%, 80% and 90% levels was computed from the student's t-distribution with n-m degrees of freedom where n is the length of the time-series and m is the number of terms in the regression model. [...] Uncertainty in the retrospective comparisons for these stocks is depicted by the 90% prediction intervals of the forecasts in relationship to the 1:1 line. [...] In other words, the models are poor representations of the natural processes that control survival particularly in years of no overlap of the confidence intervals with the 1:1 line.
Author: A. J. Cass
Publisher:
ISBN:
Category : Fish stock assessment
Languages : en
Pages : 0
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Author: Sue Grant
Publisher:
ISBN:
Category : Pink salmon
Languages : en
Pages : 18
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Author: A. J. Cass
Publisher:
ISBN:
Category : Pink salmon
Languages : en
Pages : 12
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Author: Sue Grant
Publisher:
ISBN:
Category : Pink salmon
Languages : en
Pages : 15
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Author:
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ISBN:
Category : Pink salmon
Languages : en
Pages : 17
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Category :
Languages : en
Pages : 55
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Pre-season run size forecasts of returning Fraser River adult Sockeye and Pink Salmon in 2015 were requested by Fisheries and Oceans Canada (DFO) Fisheries Management. Forecasts are used for pre-season planning purposes and for in-season management. They are most useful early in each stock-group's return migration, before in-season test fisheries are able to provide reliable in-season run size estimates. Forecasts are produced by DFO as stipulated in Annex IV, Chapter 4 of the Pacific Salmon Treaty and are presented by stock and run timing group. This Science Response Report results from the Science Response Process of November 25, 2014 on the Pre-season abundance forecasts for Fraser River Sockeye and Pink Salmon returns in 2015. The 2015 forecast relies on methods of past CSAS processes and publications (Cass et al. 2006; DFO 2006, 2009, 2011, 2012, 2013a, 2014a, 2014b; Grant & MacDonald 2013; MacDonald & Grant 2012).
Author: Sue Grant
Publisher:
ISBN:
Category : Salmon fisheries
Languages : en
Pages : 10
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Author: A. J. Cass
Publisher:
ISBN:
Category :
Languages : fr
Pages :
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