Marine biologyLesson 3 of 3 in the course Fisheries and conservation

Aquaculture: Farming Systems, Production, Impacts, and Sustainability

5 flashcards · 5 quiz questions · 5 match pairs · 5 fill-in sentences · English

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Summary

Aquaculture is the controlled cultivation of aquatic organisms. This lesson introduces its main definitions, purposes, settings, and historical development.

Aquaculture, also called aquafarming, is the breeding, growing, and harvesting of aquatic organisms under controlled or semi-natural conditions. Farmed organisms include fish, crustaceans, mollusks, algae, and aquatic plants such as lotus.

All flashcards

Aquaculture
The breeding, growing, and harvesting of aquatic organisms under controlled or semi-natural conditions.
Capture fishing
Harvesting wild aquatic organisms rather than raising cultivated stock.
Onshore, inshore, and offshore aquaculture
Farming settings that range from land-based facilities to sheltered coastal waters and more exposed areas farther from shore.
Integrated multi-trophic aquaculture (IMTA)
A system combining species from different feeding levels so byproducts from some can serve as resources for others.
The Five Freedoms
A framework addressing freedom from hunger and thirst, discomfort, pain or disease, restriction of normal behavior, and fear and distress.

Quiz questions

  1. What distinguishes integrated multi-trophic aquaculture (IMTA) from simple polyculture?Answer: IMTA combines different feeding levels and links species through resource reuse.
  2. How does a recirculating aquaculture system (RAS) manage water?Answer: It filters waste and uneaten feed from circulating water before returning the water to tanks.
  3. What does the fish-in-fish-out (FIFO) ratio compare?Answer: The mass of wild fish used in feed with the mass of farmed fish produced.
  4. Why have copper alloys attracted interest as aquaculture netting materials?Answer: They can inhibit microbial growth and reduce the buildup of organisms on surfaces.
  5. Why should global aquaculture production figures from different reports be compared cautiously?Answer: They may refer to different years, production categories, or collection methods.

Based on the Wikipedia article Aquaculture, licensed CC BY-SA 4.0. Adapted into a summary, flashcards and quizzes.

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