Application of a catch-based method for stock assessment of three important fisheries in the East China Sea

ZHANG Kui; ZHANG Jun; XU Youwei; SUN Mingshuai; CHEN Zuozhi; YUAN Meng

doi:10.1007/s13131-018-1173-9

应用一种基于产量数据评估方法对东海三个重要渔业的资源评估

doi: 10.1007/s13131-018-1173-9

1.
中国水产科学研究院南海水产研究所, 广州 510300;农业部外海渔业开发重点实验室, 广州 510300
2.
中国水产科学研究院南海水产研究所, 广州 510300

基金项目: The National Natural Science Foundation of China under contract No. 31602157; the Special Fund for Agro-scientific Research in the Public Interest under contract No. 201403008; the Central Public-interest Scientific Institution Basal Research Fund of South China Sea Fisheries Research Institute under contract No. 2016TS06.

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- 收稿日期: 2017-05-04
- 修回日期: 2011-08-02

Application of a catch-based method for stock assessment of three important fisheries in the East China Sea

1.
South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, China;Key Laboratory of Open-Sea Fishery Development, Ministry of Agriculture, Guangzhou 510300, China
2.
South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, China

摘要

摘要: 由于数据缺乏等原因，中国大部分渔业种群缺乏最大可持续产量（MSY）和总可捕量（TAC）的评估研究。本文利用一种基于产量数据的Catch MSY模型对东海三个重要渔业MSY进行了评估，利用自然死亡系数M、生长系数k和极限体重W_∞等种群参数对内禀增长率r的先验分布进行设定，并考虑了5个水平的过程误差。评估结果显示，东海带鱼和小黄鱼渔业在20世纪90年代中期到21世纪初处于过度捕捞状态，建议的TAC分别为55.8×10⁴t and 9.06×10⁴t。数十年来，对东海大黄鱼越冬场和产卵场的过度捕捞导致该渔业在20世纪80年代崩溃，至今尚未恢复。Catch MSY模型需要较少数据，评估结果与其它方法的评估结果较为一致，可以考虑作为中国近海渔业资源评估方法之一。
- CatchMSY模型 /
- 东海渔业 /
- 内禀增长率 /
- 最大可持续产量 /
- 过度捕捞
Abstract: Most fisheries in China do not have maximum sustainable yield (MSY) estimates due to limited and poor data. Therefore, finding a common method to estimate MSY or total allowable catch (TAC) for fishery management is necessary. MSYs of three important fisheries in the East China Sea were evaluated through a catch-based model. Estimates for intrinsic rate of increase (r) and five levels of process error were considered. Results showed hairtail Trichiurus japonicas (Temminck and Schlegel) and small yellow croaker Larimichthys polyactis (Bleeker) fisheries experienced overfishing from the mid-1990s to the early 2000s, and the suggested TACs were 55.8×10⁴ t and 9.06×10⁴ t, respectively. Decades of overfishing in wintering and spawning grounds of large yellow croaker Larimichthys crocea (Richardson) caused the fishery's collapse in the 1980s, and it has not recovered until today. The Catch-MSY model generated similar estimated MSYs with other methods and may be a useful choice for the assessment of regional stocks in China.
- Catch-MSY model /
- fisheries in the East China Sea /
- intrinsic rate of increase /
- maximum sustainable yield /
- overfishing

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参考文献(34)

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文章访问数: 1011
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应用一种基于产量数据评估方法对东海三个重要渔业的资源评估

doi: 10.1007/s13131-018-1173-9

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Application of a catch-based method for stock assessment of three important fisheries in the East China Sea

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