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http://dx.doi.org/10.3796/KSFT.2005.41.2.101

Underwater Geometry of the Anchovy Boat Seine in Process of the Fishing Operation  

An, Young-Su (Institute of Marine Industry, Gyeongsang National University)
Jang, Choong-Sik (Institute of Marine Industry, Gyeongsang National University)
Lee, Myeong-Kyu (Institute of Marine Industry, Gyeongsang National University)
Publication Information
Journal of the Korean Society of Fisheries and Ocean Technology / v.41, no.2, 2005 , pp. 101-106 More about this Journal
Abstract
This study was carried out to observe the underwater geometry of the anchovy boat seine by two fishing operation systems. One was a traditional operation system that used a fish detecting boat, another was a new operation system that used the same fishing gear with floats and sinkers in comparison with a fish detecting boat. Vertical opening of the fishing gear that used a casting net, working depth of each part of the fishing gear that used a new operation system was almost canstant, but was gradually shallow in a traditional operation system. Just before hauling net, working depth of each part of the fishing gear that used a new operation system was maintained stable, but was vertically unstable in a traditional operation system because as rear part of the fishing gear was risen up the upper layer. Just after hauling net, working depth of the fishing gear that used a new operation system was also maintained stable, and then anchovy school could be lead to bag net.
Keywords
anchovy boat seine; casting net; hauling net; anchovy; bag net;
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