IB ESS 4.3 Aquatic food production systems

Front

What are purse seine nets used to target?

Back

Shoaling pelagic species.

Front

What does UNCLOS designate as belonging to a country?

Back

The continental shelf and an 'exclusive economic zone' of 200 nautical miles.

Front

What is the term for the highest amount of a resource that can be extracted without depleting the original stock?

Back

Maximum sustainable yield.

Front

What are areas of cold water rising from the deep ocean, bringing nutrient-rich water to the continental shelf called?

Back

Upwellings.

Front

What fishing technique can result in huge by-catch of non-target species if not properly managed?

Back

Longlining.

Front

What is the primary purpose of aquaculture?

Back

To cultivate aquatic organisms for food and other products.

Front

What is the impact of overfishing on marine ecosystems?

Back

It leads to the depletion of fish stocks and disrupts the balance of marine ecosystems.

Front

What is bycatch?

Back

Non-target species that are caught unintentionally during fishing.

Front

What is the role of marine protected areas (MPAs) in aquatic food production?

Back

They help conserve marine biodiversity and replenish fish stocks.

Front

What is the significance of the exclusive economic zone (EEZ)?

Back

It grants a country rights to explore and exploit marine resources up to 200 nautical miles from its coast.