Live Breaking News & Updates on Year Old Giant Sturgeon Caught

May 14, 2021 12:40 AM EDT
(Photo : Peter Simons)
(Photo : Francesco Ungaro )
In so-called mixed-stock fisheries, often, Pacific salmon fisheries capture fish from various stocks (management units), sometimes reflecting locally-adapted species. During their migration along the coast, fish are intercepted in the ocean before returning to various rivers to spawn.
To investigate how to fish biodiversity inside mixed-stock fisheries affects both fishery success and conservation threats, the researchers used computer simulations of hypothetical fisheries and case studies of three actual sockeye salmon fisheries, including BC s Fraser River fishery.
Our paper demonstrates how biodiversity in fisheries can support fisheries by stabilizing catches from year to year, just as a diverse investment portfolio offers more consistent returns to an investor, says lead researcher Jonathan Moore of SFU s biological sciences department. However, this comes at the expense of inc ....

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