Farming the Sea

The process of farming organisms from the sea is

• aquaculture

• bycatch

• conservation

• desalination

The following organisms are grown by mariculture (check all that apply)

• seaweed

• oysters

• seahorses

• salmon

Which organism is least suitable for mariculture?

• oysters

• salmon

• seaweed

• crabs

Which statement concerning the data in the graph is correct?

• Three times as many fish were caught in 1990 as in 1955.

• There was a big difference in the amount of fish caught between 1970 and 1975.

• The least amount of fish was caught in 1960.

• The number of fish in the ocean is declining.

What statement represents a valid conclusion drawn from the information in the graph?

• The ocean has been over harvested.

• The worldwide fish catch has increased over the years.

• The worldwide fish catch has declined since 1955.

• The number of fish in the ocean is increasing.

Which statement explains the difference between aquaculture and mariculture?

• Aquaculture is farming only from the sea while mariculture is farming any aquatic organism.

• Mariculture is farming only from the sea while aquaculture is farming any aquatic organism.

• There is no difference.

• Mariculture is farming by Marines while aquaculture is farming by farmers.

Check all the countries with abundant salmon farms

• United States

• Canada

• Chile

• China

• Japan

An advantage of seaweed mariculture is

• that it grows rapidly and can be harvested repeatedly

• that it grows slowly and can be harvested repeatedly

• that it grow rapidly but can only be harvested once a year

• tastes really good.

Which of the following may hamper the success of seaweed mariculture?

• clean water

• underharvesting

• overharvesting

• water pollution

Why would it be more beneficial to farm seaweed than fish?

• It is not more beneficial.

• Seaweed grows faster and can provide more energy(food/products) more quickly than fish.

• Fish grow faster and can provide more energy(food/products) more quickly than seaweed.

• Somebody is farming seaweed?