Application of Bayesian surplus production model and traditional surplus production model on stock assessment of the southern Atlantic albacore (Thunnus alalunga)
文献类型: 外文期刊
第一作者: Liao, Baochao
作者: Liao, Baochao;Chen, Xiao;Zhang, Kui;Liao, Baochao;Shan, Xiujuan;Liao, Baochao;Baset, Abdul;Memon, Khadim Hussain;Liu, Qun
作者机构:
关键词: Bayesian model;Fox model;Thunnus alalunga;Southern Atlantic;Risk assessment
期刊名称:INDIAN JOURNAL OF GEO-MARINE SCIENCES ( 影响因子:0.496; 五年影响因子:0.605 )
ISSN: 0379-5136
年卷期: 2017 年 46 卷 5 期
页码:
收录情况: SCI
摘要: Bayesian surplus Production model (BSP) and traditional surplus Production models (TSP) were used to evaluate the southern Atlantic albacore (Thunnusalalunga) stock. Population parameterswere estimated using CEDA (catch-effort data analysis) and ASPIC (a surplus -production model incorporate covariates) computer software packages. Performance of the BSP model and TSP model were compared by a Bayesian information criterion (BIC). Maximum sustainable yield (MSY) from the TSP model and BSP model were used to verify the MSY estimations by International Commission for the Conservation of Atlantic Tunas (ICCAT). Catch of 2011 (24122 t) was higher than the MSY from BSP (21756t, 23408t), and the relative fishing mortality ratio (F-2011/F-MSY) of the stock was higher than 1.0, which shows thatthis stock over-exploited. Different harvest strategies were set to assess the risk for this stock, and these estimates were used topredict the biomass and catch in 2025 (B-2025, C-2025) and other five indexes (B-2025/B-MSY. B-2025/1C, P (B-2025> B(201)2), P (B-2.025> B-MSY ), P (B-2025< B-MSY)" Evaluated biological reference points (BRPs) from Bayesian model were compared with the results from traditional modeling method on the southern Atlantic albacore (T. alalunga) stock, and results showed that the measures should be taken for the sustainable utilization of this fish stock, and the harvest rate of 0.15 seemed tobe the best management measures
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