元数据分析了捕获压力对班腾湾的rajtunus pelagicus大小的影响

海洋渔业 Pub Date : 2019-11-01 DOI:10.29244/JMF.V10I2.29483

A. Susanto, Ririn Irnawati, Mustahal, H. Nurdin, Yeni Marliana, Anggi Kurniasih, Niken Widowati, Tya Rizki Murniasih, Nuriman Affandi

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引用次数: 3

摘要

蓝蟹(Portunus pelagicus)是万丹湾渔民使用刺网和折叠式捕蟹器捕获的重要渔业经济商品。正如以往的研究所揭示的那样，捕捞压力的增加极有可能降低捕捞质量。然而，尚未对以往的研究成果进行全面的、时间序列的分析。本研究的目的是通过荟萃分析技术、捕捞试验和实地观察相结合的方法，分析万腾湾蓝蟹捕捞量的变化，确定捕捞活动对蓝蟹大小的影响，评价万腾湾蓝蟹渔业的现状。采用10项不同研究的标准均差作为meta分析参数。荟萃分析结果显示，2004 - 2018年的捕捞活动对游泳蟹大小的减少有显著影响。2019年捕获的梭子蟹甲壳平均宽度约为121.66毫米。2014年、2015年和2019年合法游蟹比例均在80%以上，因此万丹湾游蟹渔业的现状仍然是环保的。关键词:甲壳宽度;meta分析;渔业

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META ANALISIS PENGARUH TEKANAN PENANGKAPAN TERHADAP UKURAN RAJUNGAN (Portunus pelagicus) DI TELUK BANTEN

Blue swimming crab (Portunus pelagicus) is an important economical fishery commodity for fishermen in Banten Bay that are caught using gill nets and collapsible traps. The increasing of fishing pressure has highly potential to reduce the quality of the catch as exposed in previous studies. However, the comprehensive, and time series analysis of the previous research results have not been conducted. The purpose of this study is to analyze the variations of blue swimming crab caught in Banten Bay through a combination of meta-analysis techniques, fishing trials and field obser-vations to determine the effect of fishing activities on swimming crab sizes, and evaluate the status of swimming crab fisheries in Banten Bay. Standard mean difference from 10 different studies was used as a meta-analysis parameter. The results of the meta-analysis showed that fishing activities were conducted from 2004 to 2018 had a significant effect on the decreasing of the swimming crab size. The average of swimming crab carapace width caught in 2019 approximately 121.66 mm. The proportion of legal swimming crabs in 2014, 2015 and 2019 was more than 80%, so that the status of swimming crab fisheries in Banten Bay is still environmentally friendly.Keywords: carapace width, meta analysis, fisheries, Portunus pelagicus, blue swimming crab

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来源期刊

海洋渔业

自引率

0.00%

发文量

4336

期刊介绍： “Marine Fisheries”started publication in 1979, it mainly covers original research papers and reviews on basic theories and applications of aquaculture and fisheries, including marine biology, mariculture and reproduction, aquatic diseases and prevention, nutrition and feed of aquatic organisms, fishery ecology and environmental protection, development and conservation of marine fishery resources, fishing tools and methods, preservation and comprehensive utilization of aquatic products, fishery machinery and instruments.