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   Survey Shows Substantial Drop In Gulf Of Alaska Cod Stocks
by Fishermen’s News Online
Posted: Wednesday, October 18, 2017 at 3:56PM EDT

Results of 2017 surveys and preliminary modeling for the 2018 Pacific cod stock assessment show a 71 percent reduction in the Gulf of Alaska bottom trawl survey Pacific cod biomass estimate from 2015 to 2017. The news came to the North Pacific Fishery Management Council’s Scientific and Statistical Committee and Advisory Panel on October 3 in a presentation from Steve Barbeaux, a research biologist with the Alaska Fisheries Science Center in Seattle, Washington, who said the drop was particularly pronounced in the central Gulf of Alaska.

The Science and Statistical Committee (SSC) said Barbeaux also presented additional data that appeared to corroborate the trawl survey results, including a 53 percent drop in the National Marine Fisheries Service 2017 longline survey and low estimates in recent years by the Alaska Department of Fish and Game large mesh trawl survey. Pacific cod fishery data from 2017 indicated slower rates of catch accumulation and lower catch per unit effort over the season, at least in the central Gulf, compared to recent years, as well as a change in depth distribution toward deeper waters.

To read the rest of the story, please go to: Fishermen’s News Online


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