Using formula to calculate for designing appropriate model of set-net with soft skeleton to capture economical fish species in southern Caspian sea (Iranian sea-board)
2005
khanipour, Ali Asghar | Menienkof, Prof Victor Niklaovich | Mahboby, Nasrolah | khatib, Sadegh | Aminian, Bagher
This research project is conducted to develop a protocol on designing and manufacturing a set net by mathematical process. It was expected tosubstitute. Scouring qualified references and textbooks indicate the best type of set net, in view of physical skeleton (hard, soft, combined formed) structure, also considering water depth, solidity and needed firmness of net and economical and selective fishing, the traps part mainly should be set on soft structure on buoyant. This initiative enable the set net could be move in seaward depth, despite higher water currents and more elevated wave. In this circumstances the set net display more firmness in contrast of variation of its shape and destruction when operating. Set nets with soft structure and its bag parts (bag less, two bag, one side bag and a longer bag linear), with longer bag linear which are costly effective in fabricating, easy setting and lifting from sea, damaging limitation in contrast to waves, better fishing capability and emptying fish
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