PEA - Content

Question 1

What is Aquaculture?

Answer 1

Farming aquatic species in controlled or semi-controlled conditions

Question 2

What does nature mean?

Answer 2

What, why and how we are growing it

Question 3

What can be used to describe the nature of aquaculture?

Answer 3

• Marine/saltwater (Mariculture), estuary or freshwater (In-Land)
• In-situ or ex-situ
• Fin-fish, Crustacean, Molluscs or plants (usually algae)
• For Human consumption, fishmeal, fish oil or for local consumption or for export earning
• Practised in LICs or HICs

Question 4

What are the 4 types of economic activity?

Answer 4

• Primary - Any industry involved in the extraction and production of raw materials
• Secondary - Industries that produce a finished, usable product or are involved in construction
• Tertiary - Industries involved with the provision of services to other businesses as well as final consumers
• Quaternary - Industries associated with either the intellectual or knowledge-based economy

Question 5

What are spatial patterns?

Answer 5

Where are they being grown and why?

Question 6

Name 1 spatial pattern of aquaculture

Answer 6

Uneven distribution but concentrated in Asia. Minimal activity in Africa

Question 7

What are some future directions of aquaculture?

Answer 7

• More mouths to feed
• Demand for protein
• Decreasing arable land available
• Declining marine fishes stocks
• Climate change impacts
• Benefits for sustainability (Integrated multi-trophic aquaculture)

Question 8

Why is aquaculture spatially based in LICs?

Answer 8

Many aquaculture industries in developed nations suffer from low availability of high-paying jobs combined with a lack of appropriately trained staff willing to work in menial positions for low wages.

Question 9

What are examples of ecological challenges to aquaculture?

Answer 9

Pathogens, parasites, and pests (PPP), pollution, harmful algal blooms, and climate change

Question 10

What are methods that show potential to improve aquaculture?

Future directions

Answer 10

Integrated multi-trophic aquaculture has shown high bioremediation capacity but has demonstrated limited commercial success globally. Recirculating aquaculture systemsand offshore aquaculture have promising growth potential. Aquaponics using nutrient-rich water)

Question 11

What are some health benefits of seafood?

Answer 11

Low fat, omega-3 fatty acids. calcium and iodine