PEA - Impacts

Question 1

What is sustainability?

Answer 1

• Sustainability refers to social, ecological and economic factors
• In an essay question, you can refer to the UN Sustainable Development Goals

Question 2

What are the economic impacts of aquaculture?

Answer 2

• Export earnings
• Tertiary services in aquaculture
• Economic Driving, Disruption and Displacement

Question 3

What are the social impacts of aquaculture?

Answer 3

• Nutrition
• Jobs
• Labour and gender
• Slavery and child labour
• Corrupt land ownership practices

Question 4

What are the environmental impacts of aquaculture?

Answer 4

• Continued reliance on fishing and wild catch (for feed)
• Environmental contamination → eutrophication (nitrates)
• Introduction of exotic species
• Land clearing of wetlands for aquaculture
• Disease

Question 5

What are some positive environmental impacts of aquaculture?

Answer 5

• Aquaculture can promote clean-up and protection of wetland and river ecosystems.
• Seaweeds and shellfish have highly positive impacts on waterways.
• Reduction in reliance on unsustainable fishing and farming practices.
• Marine permaculture has the potential to draw down atmospheric CO2