제주 연안의 소대망에서 조석에 의한 어획량 변동
Catch fluctuation of the Pound Set Net According to Tide Age in the Coastal Waters of Jeju
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Abstract
The purpose of this paper is to obtain the fundamental data on the catch fluctuation in the pound set net according to the tide age from the catch recorded from the year 1997 to 2004 in the coastal waters of Guideok, Jeju. Total catch by the pound set net had a little connection with the tide age. During increasing tide, total catch were reduced slightly from the neap tide to the high tide while there seemed to be a little sign of rise in the total catch until decreasing tide. But in the relation between the catches and the tide age, the level of the correlation coefficient chosen at p≤0.05 was not significant. Therefore, the catch of the pound set net seemed not to be influenced by the tide age. In addition, CPUE at the high tide was higher than that at the neap tide. When the catch per operating frequency was graded in the order under 50kg, 50-100kg and 100-200kg, the frequency rate by the pound set net was 38%, 19% and 19%, respectively.
참고문헌 (12)
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