Chapter 19 and 20 Test Review

Finfish, ocean catches, and fish-farming provide approximately what percentage of animal protein consumed by humans around the world?

Select all of the following is generally false of small- scale fisheries?

• Their catches are routinely recorded.

• They catch shellfish, not finfish.

• They do not use boats

• They use relatively simple gear and methods.

Where do we get most of our marine food resources?

• Coral Reefs

• The continental shelf

• Open waters off the continental shelf.

• Mariculture ponds.

Pelagic catches are those harvested from:

• The open water

• The bottom

• Estuaries

• The continental shelf.

Trawls are nets that are _____ along the bottom or through the water column.

Which of the following are examples of renewable marine resources? Select all that apply:

• Shellfish

• Whales

• Oil

• Seaweeds

Which of the following best describes t he maximum sustainable yield.

• Highest catch that can be taken without over fishing.

• Maximum fishing effort allowed after over fishing is reached..

• Highest catch that will pay the minimum cost of the fishing effort.

• Minimum catch that will still allow the population to grow.

What happens when we fish past the top of this graph? (to the right)

• Can be increased to prevent over fishing.

• Will result in a decrease of fishing effort.

• Must be decreased in order to decrease the population size.

• Will result in over fishing and the crash of fish populations.

Fisheries management involves all which of following? (Select all that apply)

• Determining the optimal catch of a fish population.

• Determining the commercial value of each catch.

• Limiting the size and sex of the fish caught.

• Determining the fishing gear that can be used.

The exclusive economic zone (EEZ) of a nation is defined as being equal to how many nautical miles?