Fish Farming

Question 1

Why is fish high in demand?

Answer 1

because it is a good source of high quality protein

Question 2

What are fish farms?

Answer 2

alternative ways to source fish and avoid overfishing

they are large enclosures/tanks designed to provide controlled environment for the growth of fish for human consumption

Question 3

What are the advantages of fish farming?

Answer 3

by obtaining fish from fish farms it allows the wild fish stocks to roam in the ocean to recover their population therefore more sustainable

Question 4

Describe the features of seawater fish farming by using sea cages

Answer 4

1. salmon house in seacages to limit movement and conserve energy
2. helps prevent predator attacks (interspecific predation)
3. helps separate juvenile fish and adult fish (intraspecific predation)
4. biological pest control or pesticides can be used
5. selective breeding can create less aggressive and faster growing fish

Question 5

What is interspecific predation?

Answer 5

predators from outside of the species

Question 6

What is intraspecific predation?

Answer 6

predators from within the species

Question 7

What are the factors affecting the yield of fish produced?

Answer 7

water quality, predation, disease, waste products, diet, selective breeding

Question 8

What features of the water are affected and how are they controlled?

Answer 8

pH, temperature, oxygen levels are tested regularly with sensors in the sea cage