Circle hook versus J-hook: A case study of the Sultanate of Oman

I. A. Al-Qartoubi, S. Bose, H. Al-Masroori, A. Govender
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引用次数: 0

Abstract

This paper analyses the operational efficiency and economic performance of the circle hook and the J-hook, commonly used by traditional fishers in the demersal longline fishery of the Sultanate of Oman. A longline experiment was conducted at three fishing locations at Masirah Island of Al-Sharqiyah Governorate.  A total of 6,120 baited J-hooks and circle hooks were deployed over a 17-day period. The findings from this experimental research suggest that the overall performance (measured under various operational yardsticks such as hooking status and location, catch composition and quality, catching efficiency, and time and cost efficiency) of the circle hook is better than its counterpart. The results also indicate that the use of circle hooks has the potential to yield better financial returns. It is acknowledged that the reliance on three fishing locations may restrict the scientific generalizations. However, it is hoped that the results from this study will provide insight into the design of future experiments to ensure the validity of the present results and make effective regulatory decisions.
圆钩与j钩:阿曼苏丹国的案例研究
本文分析了阿曼苏丹国传统渔民在海底延绳钓渔业中常用的圆钩和j钩的作业效率和经济效益。在Al-Sharqiyah省Masirah岛的三个捕鱼地点进行了延绳钓试验。在17天的时间里,共部署了6120个带饵的j型钩和圆形钩。本实验研究结果表明,圆钩的整体性能(在钩的状态和位置、渔获物的组成和质量、渔获效率、时间和成本效率等各种操作标准下衡量)优于圆钩。结果还表明,使用圆钩有可能产生更好的经济回报。人们承认,对三个捕鱼地点的依赖可能会限制科学的概括。然而,希望本研究的结果将为未来实验的设计提供见解,以确保当前结果的有效性并做出有效的监管决策。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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