Aquaculture

The factor that will have the most impact on the successful operation of an aquaculture facility is:

• feed additives.

• funding level.

• water quality.

• worker experience.

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Why is the aquaculture industry booming?

• Due to it's low costs

• Due to it's simplicity

• Due to it's overfishing

What is primary form of aquaculture?

• Fish farming

• Farming of marine organisms

• Farming of algae

Products for which other industry, besides fishing are cultivated using aquaculture?

• Cosmetics and ice cream (emulsifiers)

• caviar

• Entertainment

How is Macroalgae or algae commonly referred to?

• Seaweed

• Coral

• Fish

Positives of aquaculture:

• Aquaculture reduces over harvesting of fisheries.

• High yield in small volume of water.

• High profit.

• Improved qualities of fish obtained by selection and breeding

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Negatives of aquaculture:

• Loss of native aquatic biodiversity

• Produces large amounts of fish wastes that pollute water bodies.

• Aquaculture tanks or reservoirs are often get contaminated

• Aquaculture fishes are very sensitive to pesticide runoff from croplands.

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type of fishing has the lowest rates of bycatch.

• Pole Fishing

• Long Line Fishing

• Purse Seining

• Trawling

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

• Underexploited

• underfunded

• Overexploited.

• None of the above.

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