PEA - Case studies

Question 1

What is a case study of technological factors?

Answer 1

AquAdvantage salmon

Question 2

What is a case study of organisational/sociocultural factors?

Answer 2

In 2003, consumers in America sued the 3 biggest supermarket chains in class action for neglecting to accurately label salmon as artificially coloured. They also claimed that the labelling of products mislead consumers to believe that the salmon was wild caught and avoids the connotations with farmed salmon.

Question 3

What is a case study of political factors?

Answer 3

China tilapia tariff

Question 3

What is a case study of environmental impacts?

Answer 3

the Tasmanian Greens senate inquiry

Question 4

What are the positive ecological impacts of molluscs?

Answer 4

Bivalves provide important benthic and coastal ecosystem functions. By filtering phytoplankton and accumulating nitrogen and phosphorous, they remove nutrients
from the environment. In addition, molluscan aquaculture can provide habitat structure, shoreline stabilization, and local incomes for waterfront communities.

Question 5

What is a negative effect of cage aquaculture

Answer 5

First, over-intensification, particularly in cage aquaculture, has created problems of nutrient pollution and pathogen-related production declines in areas with unconstrained growth, such as Lake Taal, The Philippines

Question 6

What is a case study of a political effect?

Answer 6

The soybean tariff (2018) reciprocal to US tariffs. 25% tariff on US soybeans by China, impacts aquaculture through fishmeal