Fishing Practices Quiz

What is a direct economic advantage associated with aquaculture?

aquaculture produces large amounts of seafood for human purchase and consumption year-round

What is an unintended environmental consequence of aquaculture?

contamination of surrounding water by organic waste

One way that consumers can help prevent a decrease in the number of fish species that are experiencing population declines is to

eat fish that are caught using sustainable harvesting methods, therefore ensuring fish populations remain stable and reducing the amount by catch harvested

Salmon farming threatens the health of wild salmon stocks primarily because

farmed salmon can spread parasites and disease to wild salmon

The major cause for the decline in the worldwide catch of fish since 1990 is

overfishing

The farming of fish such as salmon at aquaculture facilities poses a threat to marine ecosystems because

the farmed fish can escape and outcompete wild fish for food and territory

What is an example of an economic approach to reduce overfishing for a fish species with a declining population?

the federal government sets a catch limit (per person or per boat) for the species and imposes a tax on any extra fish that are caught

What is true of farm-raised salmon?

they are often infected with parasites and sea lice

What explains why the maximum sustainable yield for ocean fisheries has been exceeded?

too many fish of reproductive age are harvested