Efektivitas Alat Tangkap Jaring Insang Hanyut pada Ikan Tongkol (Euthynnus sp.) diPerairan Seraya Timur, Bali

I. Putra, Elok Faiqoh, W. Widiastuti
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Abstract

Tongkol fish (Euthynnus sp.) common types of fish resources found in the waters of Bali, especially Karangasem. Fishermen in Seraya Timur Village, Karangasem Regency, use drift gill nets to catch Tuna Fish. The use of drift gill nets is still very simple with the size of the mesh used that is also still diverse, but most use a mesh size of 2 and 2.5 inches. The use of drift gills by fishermen in the village of East Seraya is still very simple and the mesh nets used are also still diverse, but generally use mesh sizes of 2 and 2.5 inches. Therefore, it is necessary to know the level of effectiveness of each of the mesh sizes. The purpose of this study was to determine the amount of tuna fish catch using drift gill nets and the effectiveness of the two mesh sizes in the Seraya Timur waters. This study uses gill drift nets with 2 and 2.5 inch mesh sizes. The number of settings (decrease in net) and haulling (removal of the net) was carried out 22 times in March 2019. The results showed that the total number of catches with a 2 inch mesh size was relatively twice as high as the 2.5 inch mesh. It can be concluded that the net size of 2 inches has a smaller effectiveness compared to 2.5 inch mesh size.
捕鲸器在钓金枪鱼(Euthynnus sp)上的有效捕鲸工具在巴厘岛东部随水流动
Tongkol鱼(Euthynnus sp.)是巴厘岛水域常见的鱼类资源,特别是Karangasem。Karangasem县Seraya Timur村的渔民使用漂刺网捕捞金枪鱼。漂刺网的使用仍然非常简单,所使用的网的大小也仍然多种多样,但大多数使用2和2.5英寸的网的大小。东塞拉亚村的渔民使用漂鳃仍然非常简单,使用的网目也仍然多种多样,但通常使用2英寸和2.5英寸的网目大小。因此,有必要了解每种网格尺寸的有效性水平。本研究的目的是确定在塞拉亚帖木尔水域使用漂刺网捕捞金枪鱼的数量和两种网目尺寸的有效性。本研究使用2英寸和2.5英寸网目尺寸的鳃漂网。2019年3月进行了22次设置(减少渔网)和拖运(移走渔网)。结果表明,2英寸网目的总渔获量是2.5英寸网目的两倍。可以得出结论,2英寸的网目尺寸比2.5英寸的网目尺寸具有更小的有效性。
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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