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- W877686886 abstract "기선권현망어업의 어구 개량과 조업시스템 개선을 목적으로 생력형어구를 제작하여 현장조업선에 의한 해상실험을 실시하여 어구의 형상과 조업시스템을 관찰한 결과를 요약하면 다음과 같다. 1. 생력형 어구의 양선간격에 따른 오비기 앞끝, 오비기, 수비, 앞창, 자루그물 입구, 깔때기, 자루그물 뒤끝의 망고 변화폭은 각각 5.0<TEX>${sim}$</TEX>7.8, 14.4<TEX>${sim}$</TEX>21.1, 16.2<TEX>${sim}$</TEX>21.2, 14.0<TEX>${sim}$</TEX>17.3, 11.7<TEX>${sim}$</TEX>13.9, 5.4<TEX>${sim}$</TEX>6.9, 8.2<TEX>${sim}$</TEX>9.8m이었고, 각 부분의 실제 전개율은 50<TEX>${sim}$</TEX>78, 25<TEX>${sim}$</TEX>36, 24<TEX>${sim}$</TEX>31, 31<TEX>${sim}$</TEX>38, 61<TEX>${sim}$</TEX>73, 71<TEX>${sim}$</TEX>91, 87<TEX>${sim}$</TEX>104%로 나타났다. 2. 생력형 어구는 그물목줄 부착으로 오비기 앞끝의 전개가 신속하게 이루어지고 있으며, 개량된 나발그물 부착으로 축소형 개량어구보다 포켓형상을 대폭 개선시켜 어군의 유도가 매우 원활하였다. 또한, 양선간격 및 예망속도 변화에 따른 어구 형상이 매우 안정되었으며, 망고의 변화 폭이 크지 않아 어구의 전개성능이 향상되었다. 3. 자루그물의 개량으로 어구저항 감소, 예망속도 증대 및 입망된 어군의 도피가 현저히 감소하여 어획량이 현용어구보다 증가하였으며, 조업시스템의 개선이 가능하였다. This study was conducted in order to improvement of fishing gear and fishing operating system for anchovy boat seine by labor saving improved nets. Field experiments were carried out observe geometry of nets and fishing operating system by catcher boats. The obtained results are summarized as follows : The Vertical net opening of fore wing net, wing net, inside wing net, square, fore bag net, flapper, after bag net of the labor saving improved net according to the distance between catcher boats were varied in the range of 5.0<TEX>${sim}$</TEX>7.8, 14.4<TEX>${sim}$</TEX>21.1, 16.2<TEX>${sim}$</TEX>21.2, 14.0<TEX>${sim}$</TEX>17.3, 11.7<TEX>${sim}$</TEX>13.9, 5.4<TEX>${sim}$</TEX>6.9, 8.2<TEX>${sim}$</TEX>9.8m respectively, varied in the range of 50<TEX>${sim}$</TEX>78, 25<TEX>${sim}$</TEX>36, 24<TEX>${sim}$</TEX>31, 31<TEX>${sim}$</TEX>38, 61<TEX>${sim}$</TEX>73, 71<TEX>${sim}$</TEX>91, 87<TEX>${sim}$</TEX>104% of the actual ratio of net opening in each part. Labor saving improved net was performed instant net opening in fore wing net and maintained stable net opening and towing depth by means of attached net pendant. Also, it was minimized as net pocket phenomenon leading to guide anchovy for more catch by means of attached body net. The opening in accordance with distance between catcher boats and towing speed. The catch of labor saving improved net was increased than traditional net due to decrement of net resistance by improvement of bag net leading to increasement of towing speed and reduction of escape anchovy as well as improve nets of whole operation system." @default.
- W877686886 created "2016-06-24" @default.
- W877686886 date "2005-02-01" @default.
- W877686886 modified "2023-09-26" @default.
- W877686886 title "The Opening Efficiency of Labor Saving net for the Anchovy Boat Seine" @default.
- W877686886 doi "https://doi.org/10.3796/ksft.2005.41.1.009" @default.
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