Starting in 1954, commercial fishers in the northwest Pacific were paid by weight, rather than by the individual fish, for pink salmon. The fishers increased the use of a type of net that selectively catches larger fish. Which of the following effects did this change in fishing techniques most likely have on the salmon population over the next 20 years?

Question

Quizplus · Accepted Answer

The use of nets that selectively catch larger fish would remove those larger fish from the gene pool, leading to a decrease in the average body size of the salmon population over time, as smaller fish would have a higher survival and reproduction rate.

Starting in 1954, Commercial Fishers in the Northwest Pacific Were