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基于贝叶斯状态空间产量模型的大西洋黄鳍金枪鱼资源评估

田志盼 田思泉 戴黎斌 麻秋云

田志盼,田思泉,戴黎斌,等. 基于贝叶斯状态空间产量模型的大西洋黄鳍金枪鱼资源评估[J]. 海洋学报,2021,43(2):67–77 doi: 10.12284/hyxb2021002
引用本文: 田志盼,田思泉,戴黎斌,等. 基于贝叶斯状态空间产量模型的大西洋黄鳍金枪鱼资源评估[J]. 海洋学报,2021,43(2):67–77 doi: 10.12284/hyxb2021002
Tian Zhipan,Tian Siquan,Dai Libin, et al. Stock assessment for Atlantic yellowfin tuna based on Bayesian state-space production model[J]. Haiyang Xuebao,2021, 43(2):67–77 doi: 10.12284/hyxb2021002
Citation: Tian Zhipan,Tian Siquan,Dai Libin, et al. Stock assessment for Atlantic yellowfin tuna based on Bayesian state-space production model[J]. Haiyang Xuebao,2021, 43(2):67–77 doi: 10.12284/hyxb2021002

基于贝叶斯状态空间产量模型的大西洋黄鳍金枪鱼资源评估

doi: 10.12284/hyxb2021002
基金项目: 国家重点研发计划“蓝色粮仓科技创新”项目(2019YFD0901404);中国博士后科学基金面上项目(2019M651475);大洋渔业资源可持续开发教育部重点实验室开放基金(2019301101)。
详细信息
    作者简介:

    田志盼(1996-),男,安徽省无为市人,主要研究方向为渔业资源评估。E-mail:tianzhipanwuwei@163.com

    通讯作者:

    麻秋云,女,讲师,研究方向为种群动力学和渔业资源评估。E-mail:qyma@shou.edu.cn

  • 中图分类号: P714+.5; S931.1

Stock assessment for Atlantic yellowfin tuna based on Bayesian state-space production model

  • 摘要: 黄鳍金枪鱼(Thunnus albacares)是全球远洋渔业的重要目标鱼种,要实现有效的管理,对其进行科学的资源评估是必不可少的。本文以大西洋黄鳍金枪鱼为研究对象,根据国际大西洋金枪鱼养护委员会的渔获量和单位捕捞努力量渔获量数据,使用贝叶斯状态空间模型进行资源评估,并探讨不同剩余产量函数和单位捕捞努力量渔获量数据对评估的影响。结果表明,使用美国、委内瑞拉、日本和中国台北4个船队的单位捕捞努力量渔获量数据及Fox剩余产量函数时模型拟合效果最佳。关键参数环境容纳量和内禀增长率的估计中值和95%置信区间分别为178 (140,229)×104 t和0.210(0.159,0.274);当前资源量为72.5×104 t,最大可持续产量为13.7×104 t时,种群既没有遭受资源型过度捕捞,也没有捕捞型过度捕捞发生。敏感性分析表明,当渔获量数据存在误报率(70%、80%、90%、110%、120%和130%)时,生物量的评估结果偏高,而捕捞死亡率的结果偏低,但种群均处于健康状态;预测分析显示,当总允许可捕量设为11×104 t时,资源在2024年前仍基本保持健康状态。本研究与国际大西洋金枪鱼养护委员会现有的评估结果基本一致,且模型较稳健,可以为管理决策提供建议。根据模型结果,建议总允许可捕量为11×104 t或更低,以使资源达到可持续开发水平。
  • 图  1  大西洋黄鳍金枪鱼1950−2017年的年渔获量

    Fig.  1  The annual catch of Atlantic yellowfin tuna from 1950 to 2017

    图  2  大西洋黄鳍金枪鱼JABBA模型S1−S8方案的CPUE指数趋势

    黑色实线为模型预测的CPUE结果,阴影区域为其95%置信区间。彩色线段为各船队的CPUE数据

    Fig.  2  Time-series of input CPUE of Atlantic yellowfin tuna and predicted CPUE of S1−S8 scenarios in JABBA

    The solid black line represents the CPUE predicted by JABBA, and the shaded area is its 95% confidence interval. The colored lines are the CPUE data of each fleet

    图  3  大西洋黄鳍金枪鱼JABBA基础模型参数先验分布(深色)和后验分布(浅色)

    Fig.  3  Priors (dark) and posteriors (light) of parameters of base case in JABBA for Atlantic yellowfin tuna

    图  4  1950−2017年大西洋黄鳍金枪鱼JABBA模型基础模型资源开发状态变化图

    黑色点线展示了B/BMSYF/FMSY在1950−2017年的变化,3个深浅不同的灰色区域分别代表2017年资源状态的置信区间,2017年资源状态落在红色、黄色和绿色象限的概率分别为26.9%、8.1%和65%

    Fig.  4  Kobe phase plot showing estimated trajectories (1950−2017) of B/BMSY and F/FMSY of Atlantic yellowfin tuna of base case in JABBA

    The black dotted line shows the interannual variation of B/BMSY and F/FMSY between 1950 and 2017, three different shades of gray area represent the confidence intervals of the stock status in 2017. The probabilities of the stock falling in the red, yellow and green quadrants are 26.9%, 8.1% and 65%, respectively, in 2017

    图  5  大西洋黄鳍金枪鱼JABBA基础模型1950−2017年F/FMSYB/BMSY趋势

    阴影区域为95%置信区间

    Fig.  5  F/FMSY and B/BMSY of Atlantic yellowfin tuna from 1950 to 2017 of base case in JABBA

    The shaded area is its 95% confidence interval

    图  6  不同TAC目标下的大西洋黄鳍金枪鱼JABBA模型基础模型B/BMSY预测(2019−2027年)

    Fig.  6  Future projection (2019−2027) of B/BMSY of Atlantic yellowfin tuna of base case in JABBA under different TACs

    图  7  大西洋黄鳍金枪鱼JABBA基础模型BB/BMSYFF/FMSY的回溯性分析

    Refer和2016−2012年表示输入数据序列的末年分别为2017年和2016−2012年

    Fig.  7  Retrospective analysis of B, B/BMSY, F, F/FMSY of base case in JABBA of Atlantic yellowfin tuna

    Refer and 2016−2012 indicate that the last year of input data are 2017 and 2016−2012

    表  1  大西洋黄鳍金枪鱼各延绳钓船队标准化CPUE数据

    Tab.  1  Standardized CPUE for each longline fleet of Atlantic yellowfin tuna

    船队缩写时间跨度
    日本JAP1971−2014年
    乌拉圭1URU11982−1991年
    乌拉圭2URU21992−2010年
    巴西BR1978−2012年
    委内瑞拉VEN1991−2014年
    美国US1987−2014年
    中国台北1TAI11970−1992年
    中国台北2TAI21993−2014年
    下载: 导出CSV

    表  2  大西洋黄鳍金枪鱼JABBA模型S1−S8方案设置

    Tab.  2  Different scenarios (S1−S8) of Atlantic yellowfin tuna in JABBA

    方案产量函数CPUE数据
    S1Pella-TomlinsonJAP,URU1, URU2, BR, VEN,US,TAI1,TAI2
    S2Pella-TomlinsonJAP,VEN,US,TAI1
    S3Pella-TomlinsonJAP_RE,VEN,US,TAI1
    S4FoxJAP_RE,VEN,US,TAI1
    S5FoxVEN,US,TAI1
    S6FoxJAP_RE,US,TAI1
    S7FoxJAP_RE,VEN,TAI1
    S8FoxJAP_RE,VEN,US
      注:JAP_RE代表JAP去掉1976年之前的数据,即1976−2014年的数据。
    下载: 导出CSV

    表  3  大西洋黄鳍金枪鱼JABBA模型中Kr有信息和无信息的先验分布设定以及后验分布

    Tab.  3  The informative and non-informative prior and posterior distributions for K and r in the JABBA for Atlantic yellowfin tuna

    情况先验分布后验分布
    K/104 trK/104 tr
    S4(Kr均为有信息先验)U[139.2,265.8]U[0.14,0.34]177(140,227)0.211(0.162,0.273)
    K为无信息先验,r为有信息先验U[20,3000]U[0.14,0.34]161(114,232)0.231(0.159,0.331)
    K为有信息先验,r无信息先验U[139.2,265.8]U[0.01,2]180(136,242)0.207(0.144,0.285)
      注:后验分布中,Kr的数值分别为其中值和95%置信区间。
    下载: 导出CSV

    表  4  大西洋黄鳍金枪鱼JABBA模型S1−S8方案的拟合效果

    Tab.  4  Goodness of fitting of S1−S8 scenarios in JABBA for Atlantic yellowfin tuna

    拟合指标S1S2S3S4S5S6S7S8
    RMSE49.823.723.123.022.922.224.822.4
    DIC885.7397.2346.1345.368.4254.543.2330.5
    下载: 导出CSV

    表  5  大西洋黄鳍金枪鱼JABBA基础模型参数后验估计值及其95%置信区间

    Tab.  5  Posterior estimates and 95% confidence intervals of parameter of base case in JABBA for Atlantic yellowfin tuna

    参数中值2.5%97.5%
    K/104 t178140229
    r0.2100.1590.274
    B1950/K0.9490.8091.035
    FMSY0.2100.1590.274
    BMSY/104 t65.451.384.3
    MSY/104 t13.712.016.0
    B2017/BMSY1.1090.7231.624
    F2017/FMSY0.8930.5651.432
    下载: 导出CSV

    表  6  不同TAC目标下大西洋黄鳍金枪鱼2019−2027年B>BMSY的概率

    Tab.  6  The probability that B>BMSY of Atlantic yellowfin tuna under different TAC targets in 2019−2027

    TAC/104 t2019年2020年2021年2022年2023年2024年2025年2026年2027年
    8.80.7120.7930.8520.8920.9210.9410.9560.9660.974
    9.350.7170.7840.8360.8730.9010.9240.9400.9500.957
    9.90.7180.7780.8240.8560.8820.9040.9220.9340.944
    10.450.7200.7660.8060.8350.8570.8800.8940.9080.919
    11.00.7140.7510.7850.8080.8310.8460.8640.8760.887
    12.10.7150.7330.7490.7620.7720.7830.7900.7980.806
    13.20.7180.7110.7050.7010.6950.6920.6860.6850.680
    下载: 导出CSV

    表  7  不同TAC目标下大西洋黄鳍金枪鱼2019−2027年F>FMSY的概率

    Tab.  7  The probability that F>FMSY of Atlantic yellowfin tuna under different TAC targets in 2019−2027

    TAC/104 t2019年2020年2021年2022年2023年2024年2025年2026年2027年
    8.80.0220.0160.0120.010.0080.0060.0050.0040.004
    9.350.0350.0280.0220.0170.0150.0130.0110.0110.008
    9.90.0500.0420.0340.0280.0230.020.0180.0160.016
    10.450.0710.0620.0530.0480.0410.0360.0330.0300.027
    11.00.1010.0910.0830.0740.0680.0620.0580.0530.051
    12.10.1660.1630.1590.1510.1500.1440.1450.1400.139
    13.20.2580.2660.2760.2790.2860.2890.2940.2980.303
    下载: 导出CSV

    表  8  不同TAC目标下大西洋黄鳍金枪鱼2019−2027年处于健康状态的概率

    Tab.  8  The probability that the Atlantic yellowfin tuna is in healthy status under different TAC targets in 2019−2027

    TAC/104 t2019年2020年2021年2022年2023年2024年2025年2026年2027年
    8.80.7120.7930.8520.8920.9210.9410.9560.9660.974
    9.350.7170.7840.8360.8730.9010.9240.9400.9500.957
    9.90.7180.7780.8240.8560.8820.9040.9220.9340.944
    10.450.7200.7660.8060.8350.8570.8800.8940.9080.919
    11.00.7140.7510.7850.8080.8310.8460.8630.8760.887
    12.10.7150.7320.7470.7610.7720.7820.7890.7970.805
    13.20.7000.6930.6870.6840.6780.6770.6720.6710.668
    下载: 导出CSV

    表  9  不同渔获量误报比例下大西洋黄鳍金枪鱼JABBA基础模型评估资源状态

    Tab.  9  Stock status of Atlantic yellowfin tuna in different mis-reported rates of catches of base case in JABBA

    报告渔获量占实际渔获量的比例/%B2017/104 tB2017/BMSYF2017F2017/FMSY资源健康/%
    7077.71.2270.1750.85470.1
    8073.91.1650.1850.89665.6
    9070.91.1190.1910.91463.1
    10072.51.1090.1870.89365.0
    11072.71.0810.1860.88664.3
    12077.41.0940.1750.84567.1
    13080.41.0780.1690.82464.5
      注:资源健康(%)指2017年资源未遭受资源型过度捕捞和捕捞型过度捕捞的概率。
    下载: 导出CSV
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出版历程
  • 收稿日期:  2019-12-11
  • 修回日期:  2020-05-09
  • 网络出版日期:  2020-12-24
  • 刊出日期:  2021-03-02

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