Fish farm layouts that are properly engineered should strike a balance considering economy, functionality and aesthetics. Within a prescribed production management scheme, the layout must be economical. The basic principle is to minimize the number of gates, and the size and length of the main secondary and tertiary dikes and canals. But this should not sacrifice the biological requirements for suitable environment of the cultured species.
Fishponds should be planned in such a way that the length of the pond is positioned parallel to the prevailing wind direction. The wind direction in Southeast Asia is shown in Fig. 4.1 and the suggested orientation of the ponds is seen in Fig. 4.2. As such, the length of dike exposed to wave action is lessened, thus, the cost of repairs also less. The position also takes advantage of the wind energy in effecting good water aeration through mixing and circulation. However, in areas where very strong winds are prevalent, wind breakers are included in the design and layout of ponds.
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CHAPTER 4
LAYOUT DESIGNS FOR COASTAL FISH FARMS
4. COMPONENTS AND LAYOUT PLAN OF POND SYSTEM
Fish farm layouts that are properly engineered should strike a balance considering economy, functionality and aesthetics. Within a prescribed production management scheme, the layout must be economical. The basic principle is to minimize the number of gates, and the size and length of the main secondary and tertiary dikes and canals. But this should not sacrifice the biological requirements for suitable environment of the cultured species.
Fishponds should be planned in such a way that the length of the pond is positioned parallel to the prevailing wind direction. The wind direction in Southeast Asia is shown in Fig. 4.1 and the suggested orientation of the ponds is seen in Fig. 4.2. As such, the length of dike exposed to wave action is lessened, thus, the cost of repairs also less. The position also takes advantage of the wind energy in effecting good water aeration through mixing and circulation. However, in areas where very strong winds are prevalent, wind breakers are included in the design and layout of ponds.