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http://dx.doi.org/10.3796/KSFT.2007.43.3.176

Assessment of fishing power of common octopus (Octopus minor) trap fishery  

An, Heui-Chun (Fisheries Engineering team, National Fisheries Research & Development Institute)
Lee, Kyoung-Hoon (Fisheries Engineering team, National Fisheries Research & Development Institute)
Park, Seong-Wook (Fisheries Engineering team, National Fisheries Research & Development Institute)
Park, Chang-Doo (Fisheries resources management and enhancement team, West Sea Fisheries Research Institute, NFRDI)
Shin, Jong-Keun (Fisheries Engineering team, National Fisheries Research & Development Institute)
Publication Information
Journal of the Korean Society of Fisheries and Ocean Technology / v.43, no.3, 2007 , pp. 176-182 More about this Journal
Abstract
Fishing power, which means performance of fishing vessel or catchability of fishing gear, can explain using by fishing power index(FPI) to compare fishery efficiency among uniformity types of fishery that work during the fixed period in specific fishing ground. This research analyzed on their fishing power and catchability using comparing each sampled vessels of coastal trap fishery for common octopus. The results showed that they were no difference in amount of used trap and immersed time etc. in CPUE among sampled vessels, and had no correlation of catch production due to vessel's tonnage. Most vessel's FPI estimates but 3 vessels were higher than the averaged, and showed similar fishing power in general. And then, CPUE and FPI showed that 4 to 5 tonnage vessels would be superior to another, 4 tonnage vessels had also good catchability. Therefore, we estimated that 4 tonnage vessels had the most efficiency work for coastal trap fishery for common octopus.
Keywords
Fishing power index; CPUE; Catchability; Trap fishery; Common octopus;
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Times Cited By KSCI : 1  (Citation Analysis)
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