APES 5.16 Aquaculture.

What is one area of the ocean that tends to have the most productive fisheries?

• Top

• Surface water

• Upwelling

• open ocean

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Rank the three primary forms of fishing we covered (Pole, trawling, and longline fishing) from highest to lowest rates of bycatch.

• Pole, Trawling, longline,

• Long line, Pole, Trawling

• Trawling, Pole, Long line

• Trawling, Long line, Pole

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Besides bycatch, what ecological damage can be caused by bottom trawling?

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__________________________ of a fishery is the highest amount of species that can be harvested without diminishing the populating in future years.

• Maximum Sustainable Yield

• Exclusive Economic zone

• Overexploited

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Are the United States’ annual catch limits set by NOAA higher or lower than the maximum sustainable yield?

• Higher

• Lower

• Same

What activities are restricted in marine reserves?

• Swimming

• Diving

• Commercial Fishing

• Filming and Taking pictures

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Which is true about aquaculturing?

• The amount of aquacultured fish has decreased significantly in favor of wild-caught fish.

• Aquaculturing requires the same inputs as other forms of animal agriculture, including feed and antibiotics.

• Aquaculture operations do not affect the surrounding ecosystem in any adverse way.

• All of the above are true.

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What position on the food chain do fish like Atlantic Cod and Bluefin Tuna occupy?

• TL2

• TL3

• TL4

• TL5

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The loss of the Atlantic Cod around Newfoundland occurred because those fisheries were…

• Underexploited

• Fully exploited

• Overexploited.

• None of the above.

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The graph above shows the change in Canada’s harvest of Atlantic Cod from 1950-2004. What change occurred between 1992-1993?

• The stocks of Atlantic Cod collapsed.

• Harvests of Atlantic Cod rapidly decreased.

• Canada declared a moratorium to all cod fishing in Newfoundland and Labrador.

• All of the above.

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