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Assessment and management recommendations for the status of Japanese sardine Sardinops melanostictus population in the Northwest Pacific

文献类型： 外文期刊

作者： Yang, Chao 1 ; Han, Haibin 1 ; Zhang, Heng 1 ; Shi, Yongchuang 1 ; Su, Bing 1 ; Jiang, Peiwen 1 ; Xiang, Delong 1 ; Sun, Yuyan 1 ; Li, Yang 1 ;

作者机构： 1.Chinese Acad Fishery Sci, Minist Agr & Rural Affairs, East China Sea Fisheries Res Inst, Key Lab Ocean & Polar Fisheries, Shanghai 200090, Peoples R China

2.Shanghai Ocean Univ, Sch Oceanog, Shanghai 201306, Peoples R China

3.Dalian Ocean Univ, Coll Nav & Ship Engn, Dalian 116023, Liaoning, Peoples R China

4.Anhui Normal Univ, Sch Ecol & Environm, Wuhu, Peoples R China

关键词： Japanese sardine; Stock; Catch-MSY; LBB; Sustainability

期刊名称：ECOLOGICAL INDICATORS （ 影响因子：6.9； 五年影响因子：6.6 ）

ISSN： 1470-160X

年卷期： 2023 年 148 卷

页码：

收录情况： SCI

摘要： Japanese sardine (Sardinops melanostictus) is one of the main species caught in the high seas purse seine fishery in the Northwest Pacific Ocean and its resources gradually recovered in recent years. This paper used the historical yearly catch data of Japanese sardine from 1990 to 2021 and biological data (manily for body length) in April-November 2020-2022 to assess its maximum sustainable yield (MSY) and stock resource status using Catch-MSY and LBB models, respectively. And then based on the evaluation results of Japanese sardine MSY, we analyzed the stock management strategies on this species by the Kobe II Strategy Matrix (K2SM). The results were as follows: (1) the Catch-MSY model assessed its MSY as 170.0 x 10(4) t with a 95 % confidence interval of 134.1 x 10(4) t similar to 211.4 x 10(4) t; (2) the LBB model assessed the biological parameters for the last three years (2020-2022) with the interval range of L-c/L-c_opt was 0.76-0.95, B/B-MSY was 0.79-0.84, and B/B-0 was 1.9-2.3, which indicate that Japanese sardine resource is healthy and recovering; (3) the results of these two models and the Kobe II management strategy matrix are combined to predict future resource status probability values. The management target range for the medium term (5-10 years) should be set 100 % TAC to MSY values, i.e., 102.0 x 10(4) t-170.0 x 10(4) t as TAC, and for the long term (10-20 years) can be set to 120 % TAC to MSY values, i.e., 122.4 x 10(4) t-170.0 x 10(4) t. Japanese sardine fishery resource can be sustainably used on a longer time scale.

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