Trends in Abundance and Pre-season 2000 Stock Size Forecasts for Major Sockeye, Pink, and Chum Salmon Stocks in the Central Coast and Selected Salmon Stocks in Northern British Columbia PDF Download
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Author: D. T. Rutherford
Publisher: Canadian Stock Assessment Secretariat
ISBN:
Category : Chum salmon
Languages : en
Pages : 57
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Book Description
Author: D. T. Rutherford
Publisher: Canadian Stock Assessment Secretariat
ISBN:
Category : Chum salmon
Languages : en
Pages : 57
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Book Description
Author: Chris C. Wood
Publisher:
ISBN:
Category : Fish populations
Languages : en
Pages : 0
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Book Description
This paper presents pre-season 1999 stock size forecasts for nine sockeye, five pink, and five chum salmon stocks or stock groupings in northern British Columbia statistical areas 1-10. The recommended forecasts are based on simple models that have been previously evaluated. Five models are used: a five-year average stock size model, a long-term average model, a non-linear stock-recruitment relationship, a non-linear sibling age-class model, and the Ricker stock recruitment model.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 53
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Book Description
This paper presents pre-season 1999 stock size forecasts for nine sockeye, five pink, and five chum salmon stocks or stock groupings in northern British Columbia statistical areas 1-10. The recommended forecasts are based on simple models that have been previously evaluated. Five models are used: a five-year average stock size model, a long-term average model, a non-linear stock-recruitment relationship, a non-linear sibling age-class model, and the Ricker stock recruitment model.
Author:
Publisher:
ISBN:
Category : Aquatic sciences
Languages : en
Pages : 538
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Book Description
Author: Christopher Charles Wood
Publisher:
ISBN:
Category : Chum salmon
Languages : en
Pages : 51
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Author: Pacific Fisheries Resource Conservation Council
Publisher:
ISBN:
Category : Fish culture
Languages : en
Pages : 164
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Book Description
A key component of the Wild Pacific Salmon Policy is the conservation & stewardship of habitat for wild Pacific salmon. To focus & support habitat conservation & stewardship efforts, a suite of indicators at a range of scales is needed. This report represents a consolidation of a background information review & workshop project conducted to provide an overview of the state of habitat indicator development for wild Pacific salmon and to propose candidate indicators. After an introduction on the Wild Pacific Salmon Policy and the project study approach, chapter 2 presents an overview of Pacific salmon life history stages, habitat utilization, and relationships between salmon production & habitat characteristics. Chapter 3 summarizes previous activities related to development of salmon habitat indicators and frameworks for indicator selection. Chapter 4 contains a table of candidate indicators of habitat status. Chapter 5 lists data sources in British Columbia to support the candidate indicators. Chapter 6 briefly discusses several watershed-based programs related to wild Pacific salmon habitat & indicators. Chapter 7 is a summary of the salmon habitat indicator workshop findings; the full workshop report is appended. The final chapter makes recommendations for identifying a suite of habitat indicators with a view to optimizing the potential for successful implementation. Other appendices include a detailed preliminary analysis of the candidate indicators.
Author:
Publisher:
ISBN:
Category : Zoology
Languages : en
Pages : 412
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Author:
Publisher:
ISBN:
Category : Fishery management
Languages : en
Pages : 118
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 85
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This report assesses the relative performance and utility of some basic procedures for forecasting adult returns to four salmon stocks in northern British Columbia. These include sockeye runs to Long Lake, Owikeno Lake, and the Skeena River, and even-year pink salmon returns to the Bella Coola system. These stocks were selected because adequate data were available, enabling comparison of the performance of a variety of simple biological and non-biological models. The report also documents preseason 1997 run size forecasts for nine sockeye and five pink salmon stocks or stock groupings in northern British Columbia. Algorithms for each forecasting model provided forecasts of stock size one year in advance and were evaluated by hindcasting stock size in previous years using only the data that would have been available at the time. This retrospective analysis provides a robust measure of how well the various forecasting algorithms would have worked had they actually been used.
Author: L. Blair (Leslie Blair) Holtby
Publisher:
ISBN:
Category : Chum salmon
Languages : en
Pages : 28
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Book Description
