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Coastal aquaculture and mariculture
1. List out method used in coastal aquaculture
➔Pond culture
➔Cages
➔Pens
➔Raft and long line culture
➔Tray culture
2. Pond culture used mainly for
➔Fish and shrimp
3. Cages culture originated from
➔Kampuchea
4. In Norway which fish cultured in cage
➔Salmons
5. yellow tail fish cultured in cage at
➔Japan
6. groupers and sea bass cultured in
➔Hong Kong, Vietnam and Singapore
7. Which fishes cultured in cage
➔salmon, trout, sea bass and grouper
8. Structure of cage consists
➔floating unit, a framework and a flexible mesh net
9. Example of floating units
➔empty barrels,
➔Styrofoam polyethylene pipes,
➔or readymade pontoons of plastic or metal.
10. The framework can be made of
impregnated wood,
➔ bamboo spars,
➔galvanized scaffolding or welded aluminum bars.
11. Netting material used for cage
➔Nylon
12. ________ provide safer working conditions and enable
storage of feed on site, as well as installation of automatic
feeders.
➔Cage flotillas
13. Site selection criteria for cage culture
➔sheltered areas
➔sufficient water movement to effect adequate mixing and
aeration
14. The most sophisticated design of cages is use in cage
farms of____________.
➔Norway
15. Cages of size ______ are used.
➔100 to 500 m3
16. The more popular unit in cage culture are ____________.
➔circular in cross section.
17. recently been developed framework for utilize more open
water body
➔Rubber framework
18. transitional structures between ponds and cages
➔Pens
19. in Japan, pen culture used to culture
➔yellow tail
20. milkfish is cultured in pen in
➔Philippines
21. In Norway,pen culture is used to culture
➔salmon
22. The success of pens for culture depends on the
___________ __ of the site.
➔hydro-biological conditions
23. Pens are formed at
➔intertidal areas of the sea,
➔ bays or lagoons.
24. The nets are generally made of _________ netting
material.
➔knotless nylons
25. Culture that practiced for edible oysters.
➔On-bottom and off bottom
26. On-bottom culture done in
➔fairly firm bottom
27. Larvae of oyster
➔Spat
28. Example of off-bottom culture
➔pole/stick method, and
➔raft culture
29. ________________ are installed in rows in pole culture
➔Wooden or bamboo sticks
30. Seed oysters are attached to the poles using __________
➔degradable nets,
31. _______ are suspended from floating rafts or long lines.
➔string/tray
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