Why should fishery managers not view cod stocks as separate from other fish stocks such as capelin and mackerel?

Cod, capelin, and mackerel are connected through the ocean food web: changes in one population can affect the food available to, or predators of, another. Fishery managers should consider these relationships rather than managing cod as if it were independent. The correct choice is “These populations of these fish species are all related through the ocean food web.”

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