한국 오징어 채낚기의 기존 녹색 낚시와 은백색 낚시의 어획성능 비교
Comparison of the catch performance between traditional green jig and silver-white jig of squid jigging in Korea
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초록
오징어 채낚기, 오징어낚시, 은백색 유인체, 어획효율, 유인체 색초록 LED 집어등의 오징어 어획효과를 향상시키기 위하여 개발한 자동조획기용 은백색낚시의 어획성능을 기존 낚시인 녹색낚시와 비교하였다. 조사 선박은 강원도립대학 실습선 해송호 (A-vessel, 24톤)와 상업어선 행복호 (B-vessel, 24톤)을 이용하였다. A-vessel의 경우, 여름철에 31.3kW의 LED 집어등 조건에서 5-8대의 자동조획기로 조업하였다. B-vessel의 경우 겨울철과 가을철에 43.2kW의 LED집어등 조건에서 14대의 자동조획기로 조업하였다. 그 결과, A-vessel에서 은백색낚시의 어획성능은 녹색낚시와 비슷하였다 (p>0.05). 그러나 B-vessel에서 겨울철의 은백색낚시의 어획성능은 녹색낚시보다 우수하였고 (p<0.05), 가을철의 어획성능은 더욱 우수 하였다 (p<0.001). 가을철 B-vessel의 결과로부터 은백색낚시에 따른 연간 수익은 26,384천원으로 예상되었다.
Abstract
The catch performance of the silver-white jig for automatic jigging machine, developed to improve the effectiveness of LED fishing lamp in catching squid, was compared to that of the conventional green jig. The vessels used in this investigation were Haesong-ho (A-vessel), a training vessel of Gangwon State University and Haengbok-ho (B-vessel), a commercial fishing boat. In the case of the A-vessel, five to eight automatic jigging machines were used in the fishing operation with a 31.3 kW LED fishing lamp in summer. As for the B-vessel, fourteen automatic jigging machines were used with a 43.2 kW LED fishing lamp in autumn and winter. The results showed that the catch performance of the silver-white jig was similar to that of the green jig in the case of the A-vessel (p>0.05). However, in the case of the B-vessel, the catch performance of the silver-white jig was superior to that of the green jig in both winter (p<0.05) and autumn (P<0.001). Based on the catch performance results regarding the B-vessel in autumn, it is expected that the annual income increase that can be earned by using the silver-white jig will be KRW 26,385,000.
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