Scientists studying the recovery of the Atlantic cod stock in the eastern Scotian Shelf previously believed that its delay was due to the presence of forage fish. A new article published in the Canadian Journal of Fisheries and Aquatic Sciences suggests that this may not be the case.
During the 15-year ban from cod fishing, the species has not rebounded as quickly as scientists had hoped. Scientists Douglas Swain and Robert Mohn of the study now believe that this is not due to species interaction with forage fish, but is due to other unknown factors that are causing high death rates among adult cod.
They suggest that predation by grey seals could be the culprit.
Find out more here.
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