中西太平洋金枪鱼围网高产渔区年间变化及其原因分析

戴澍蔚; 陈新军; 张衡; 周为峰; 徐良琦; 肖卫平

doi:10.3969/j.issn.0253-4193.2017.02.012

中西太平洋金枪鱼围网高产渔区年间变化及其原因分析

doi: 10.3969/j.issn.0253-4193.2017.02.012

1.
上海海洋大学海洋科学学院, 上海 201306;中国水产科学研究院东海水产研究所农业部东海与远洋渔业资源开发利用重点实验室, 上海 200090
2.
上海海洋大学海洋科学学院, 上海 201306;国家远洋渔业工程技术研究中心, 上海 201306;大洋渔业资源可持续开发教育部重点实验室, 上海 201306
3.
中国水产科学研究院东海水产研究所农业部东海与远洋渔业资源开发利用重点实验室, 上海 200090
4.
上海水产集团总公司, 上海 200090

基金项目: 上海市科技创新计划（15DZ1202200）；海洋局公益性行业专项（20155014）；中央级公益性科研院所基本科研业务费专项资金项目（2015M07）。

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出版历程
- 收稿日期: 2016-07-21
- 修回日期: 2016-10-06

Analysis on annual changes and reasons in high yield fishing areas for tuna purse seine in Western-Central Pacific

1.
College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China;Key Laboratory of East China Sea & Oceanic Fishery Resources Exploitation and Utilization, Ministry of Agriculture of China, East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai 200090, China
2.
College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China;National Engineering Research Center for Oceanic Fisheries, Shanghai 201306, China;The Key Laboratory of Sustainable Exploitation of Oceanic Fisheries Resources, Shanghai 201306, China
3.
Key Laboratory of East China Sea & Oceanic Fishery Resources Exploitation and Utilization, Ministry of Agriculture of China, East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai 200090, China
4.
Shanghai Fisheries Company, Shanghai 200090, China

摘要

摘要: 金枪鱼类是中西太平洋海域重要的经济鱼种，其中鲣产量约占到总产量的50%。本研究利用1995-2010年16年的中西太平洋（20°S~20°N，120°E~155°W）鲣围网生产统计数据和Niño3.4海区（5°S~5°N，120°~170°W）海表温度异常数据，对这16年鲣产量最高的十大渔区（5°×5°）进行时空格局分析，讨论渔场分布差异及CPUE与ENSO指数的关系。结果表明：16年间十大作业渔区主要分布在5°S~5°N、130°~175°E区域，这十大渔区产量占总产量的比重达47.5%，其中5°S~0°、155°~160°E，0°~5°N、130°~135°E，0°~5°N、135°~140°E及5°S~0°、160°~165°E等4个渔区产量占高产渔区产量的比重均超过10%，是中西太平洋重要的鲣产区。高产渔区的分布受海表温度影响较大，在厄尔尼诺时期，高产渔区分布明显偏东，主要分布在155°~180°E海域；在拉尼娜时期，高产渔区分布明显偏西，主要分布在130°~160°E海域。
- 高产渔区 /
- 鲣 /
- 中西太平洋 /
- 厄尔尼诺
Abstract: Tuna is a commercially important species in the Western-Central Pacific. The skipjack (Katsuwonus pelamis) yield accounts for about 50% of total production. In this study, differences in the distribution of fishing grounds and the relationship between CPUE (Catch Per Unit Effort) and ENSO (El Niño Southern Oscillation) index are discussed through the temporal and spatial analysis of top 10 fishing areas based on the tuna purse seine catches in Western-Central Pacific (20°S-20°N, 120°E-155°W) and ENSO SSTA (sea surface temperature anomaly) data of Niño 3.4 region (5°S-5°N, 120°-170°W) collected from 1995 to 2010. The result indicated that the top 10 high yield fishing areas distributed mainly in 5°S-5°N, 130°-175°W region, which account for almost 47.5% in total production. Among them, four fishing areas like 5°-0°S,155°-160°E; 0°-5°N, 130°-135°E; 0°-5°N, 135°-140°E and 5°-0°S, 160°-165°E all have more than 10% of the top 10 high yield fishing areas' production, which are the important skipjack production areas in the Western-Central Pacific. High yield fishing areas are easily affected by SST (sea surface temperature) which are eastward distributed in 155°-180°E region during El Niño events, and westward distributed in 130°-160°E region during La Niña events.
- high yield fishing areas /
- skipjack /
- Western-Central Pacific /
- El Niño

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参考文献(20)

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