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This draft report describes the preliminary results of a stock-recruit analysis focused on Skeena lake sockeye Conservation Units (CUs) to evaluate stock status and identify possible benchmarks for Skeena sockeye. This analysis has since been updated, and the most recent version is available here.
Summary This document provides a description of data and model parameters used to reconstruct 1982-2004 chinook salmon returns to the Fraser River.
Note: this analysis has since been extended to include estimates of escapement and exploitation rates back to the 1950’s. These extended datasets are available here. Description Core data files and results from LGL’s analyses and two files with detailed stock-recruitment data for Nass and Babine sockeye. Please also see the summary report that accompanies this […]
Abstract Catalogue containing each stream’s location, spawning distribution, barriers and points of difficult ascent, escapement records and other general data pertaining to the stream. The catalogue also includes a topographical map of the stream’s location and in some cases a sketch which further describes the surrounding area.
Summary This presentation was delivered at a Skeena Salmon Program workshop held on January 25th, 2012. The presentation summarizes work conducted by LGL in November 2011, the purpose of which was to compile the best available estimates for escapement, catch, run size and age composition for each NCCC Statistical Area (SA) and Conservation Unit (CU) […]
The core data sets referenced in this report are available here. Summary This draft report summarizes the methodology of a project that extends the available time-series estimates for catch, escapement and exploitation rates back to the 1950s and 1960s for Skeena sockeye, pink, chum and coho salmon Conservation Units (CU). Note that this analysis has […]
Summary This draft report describes the preliminary results of a stock-recruit analysis focused on Skeena lake sockeye Conservation Units (CUs) to evaluate stock status and identify possible benchmarks for Skeena sockeye. This draft was developed for the Benchmark Analysis Review Workshop, held on April 4, 2012. It includes an appendix which provides answers to questions […]
Abstract This report documents sockeye, coho, pink, chum and Chinook salmon escapement information held by the North Coast Stock Assessment Unit for streams located in the North Coast of British Columbia, Statistical Areas 1 to 6. A description of the type, format, scope and content of these data holdings, as well as information on the […]
Abstract Catalogue containing each streams’s location, spawning distribution, barriers and points of difficult ascent, escapement records and other general data pertaining to the stream. The catalogue also includes a topographical map of the stream’s location and in some cases a sketch which further describes the surrounding area.
Summary This provisional data file contains time-series of catch, escapement and exploitation rate estimates for Skeena sockeye, pink, chum and coho salmon CUs, stretching back to the 1950’s and 1960’s, where possible. The file also contains estimates for Chinook from the 1980’s onwards, however, data limitations preclude the calculation of meaningful estimates for Chinook for earlier time […]
Note: The computer code and input data referenced in this report are available here. Summary Canada’s Wild Salmon Policy (WSP) calls for the monitoring and assessment of all geographically, ecologically and genetically distinct populations of wild Pacific salmon, known as ‘Conservation Units’ or ‘CUs’. The Wild Salmon Policy states that CUs will be assessed against […]
Summary The Pacific Salmon Foundation hosted a technical workshop in Terrace, BC on January 25th 2012 to review the data needed to develop benchmarks for salmon Conservation Units (CUs) in the Skeena Watershed. These notes summarize key elements of the discussion as well as some of the outcomes from this workshop.
