Aquaculture

Question 1

Definition: Aquaculture

Answer 1

Farming of aquatic organisms, including fish, molluscs, crustaceans, and aquatic plants.

Question 2

What does the word “farming” imply within aquaculture?

Answer 2

Farming implies some form of intervention in the rearing process to enhance production, such as regular stocking, feeding, and protection from predators.

Question 3

Definition: Capture Fisheries Production

Answer 3

volume of wild fish catches landed for all commercial, industrial, recreations, and subsistence purposes.

Question 4

Aquaculture can vary based on

Answer 4

1. Salinity (Fresh, brackish, marine)
2. System
3. Degree of Intensity
4. Fed or Non-fed
5. Different taxa

Question 5

What are the various types of aquaculture systems?

Answer 5

o Recirculating system
o Static ponds
o Cage/pen culture within pond/river/bay/ocean
o Open water

Question 6

What are the different types of taxa for aquaculture?

Answer 6

o Fish
o Invertebrates
o Aquatic Plants

Question 7

Why has aquaculture exceeded wild fish catch?

Answer 7

• Increases in quantities and taxa
• Increasing integration with land-based production.

Question 8

What are some concerns associated with aquaculture?

Answer 8

• Using fish feed to feed farmed fish
• Eutrophication
• Habitat modification
• Wild seedstock collection in some cases
• Diseases
• Genetic changes
• Impact on aesthetics
• Conflicting uses

Question 9

The global production of fed fish tripled between 2000 and 2017 while the annual cate of forage fish used to make fishmeal and fish oil decreased from 23 Mt to 16 Mt. How?

Answer 9

-Rapid increase in omnivorous fish aquaculture
-Improved feed conversion rations for all fed species
-Increased use of alternative protein and oil ingredients
-Increased use of fish processing byproducts and bycatch

Question 10

Where is aquaculture production happening?

Answer 10

1. China with over 47,000 thousand metric tons
2. India – over 7,000 thousand metric tons
3. Indonesia – over 5,000 thousand metric tons

Question 11

Leading countries in aquaculture production value (US Dollars):

Answer 11

1. China – Over $140 million
2. India – Over $12 million
3. Indonesia – Over $11 million

Question 12

In USA - Highest value of capture species

Answer 12

o Salmon
o Lobster
o Crabs
o Scallops
o Shrimp

Question 13

In USA - Highest value of Marine Species Totals:

Answer 13

o Oysters
o Clams
o Salmon
o Mussels
o Shrimp