Technical Review of stream-type Fraser River Chinook Management Approach November 2019

[ChinookExerciser]

Technical Review of stream-type Fraser River Chinook Management Approach

http://www.dfo-mpo.gc.ca/csas-sccs/Publications/SAR-AS/2019/2019_056-eng.html

"Establishing clearly-defined and measurable stock and fishery objectives for stream-type Fraser Chinook Salmon that represent desired management outcomes (e.g., rebuild stock to a given level over a specified time period) rather than a desired management response (e.g., reduce exploitation rates) is recommended. These “rebuilding”-type performance objectives could help guide future management responses and allow for more transparent evaluation of management performance."

 

[ChinookExerciser]

This report is pretty damning towards our sector. It reviews the last 15 years of restesticions and comes to the conclusion that the reductions to rec sector and commercial sector did not do a whole lot and that FN fisheries were targeted the hardest. However unbelievable it is, it's what the science says. One thing to consider is this report looks at early fraser chinook and only 3 runtime groups. Where as a lot of the Early FN effort "reported effort" was shifted to later timed chinook like summer 4-2's. Also remember that this analysis is of the fishery measure prior to 2018. So for example like the Slot limit in the JDF. IT's also important to not that FN seen the biggest reduction because they were taking the most. You can see that in the Table account for as much as 30% of the exploitation dropping down to 15%. Where as the commercial was 3% and dropped down to 2%. for the spring 4-2's.

"results show that reductions to First Nations fisheries were likely higher than intended, while recreational and commercial reductions were likely lower than intended. However, results showed that when random error was introduced to input data and model parameters, measurement of the distribution of ‘harvest impacts’ (which includes both landed catch and fishing related incidental mortality) among sectors was highly uncertain, even for the low uncertainty scenario. This result was especially true for recreational and commercial sectors that relied on GSI sampling of marine catch composition."