Aquaculture System Topic 1 & 2

3. Allows water to exit from a pond or tank.
4. Culture of single species.
7. Most common pond draining structure.
8. A physical structure which holds the water and species being cultured.
9. ..... height is the height the dike should have after settling down to safely provide the necessary water depth in the pond.
11. Pond systems which are independent from each other, each pond being supplied directly from the feeder canal.
14. A type of intensity which have low stocking rate, little or no use of fertilizer and supplementary feeds.
17. A type of pond filled by water running straight out from the water body to the ponds.
19. When no provision is made for inlet or outlet structures, water was …………. over the dike.
20. A type of pond constructed entirely from soil materials.

1. The upper part of a dike and should never be under water.
2. Waterway which allowed water transportation.
5. The top of a dike.
6. Fish cultured along with either or a combination of and/or rice and vegetables.
10. A type of system where water quality was maintained using water treatment system.
12. A type of pond formed without excavation by building one or more dikes above ground level to impound water.
13. A type of system where there is almost no exchange of water during the culture period.
15. A system which comprise of piping, pump, aeration and water treatment.
16. materials used to make inlet and outlet pipes.
18. Allows water to enter a pond or tank.