Assessment for allowable catch of fishery resources in the South China Sea based on statistical data

Zhang Kui; Liao Baochao; Xu Youwei; Zhang Jun; Sun Mingshuai; Qiu Yongsong; Chen Zuozhi

doi:10.3969/j.issn.0253-4193.2017.08.003

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Zhang Kui, Liao Baochao, Xu Youwei, Zhang Jun, Sun Mingshuai, Qiu Yongsong, Chen Zuozhi. Assessment for allowable catch of fishery resources in the South China Sea based on statistical data[J]. Haiyang Xuebao, 2017, 39(8): 25-33. doi: 10.3969/j.issn.0253-4193.2017.08.003

Citation:

Zhang Kui, Liao Baochao, Xu Youwei, Zhang Jun, Sun Mingshuai, Qiu Yongsong, Chen Zuozhi. Assessment for allowable catch of fishery resources in the South China Sea based on statistical data[J]. Haiyang Xuebao, 2017, 39(8): 25-33. doi: 10.3969/j.issn.0253-4193.2017.08.003

Citation:

Zhang Kui, Liao Baochao, Xu Youwei, Zhang Jun, Sun Mingshuai, Qiu Yongsong, Chen Zuozhi. Assessment for allowable catch of fishery resources in the South China Sea based on statistical data[J]. Haiyang Xuebao, 2017, 39(8): 25-33. doi: 10.3969/j.issn.0253-4193.2017.08.003

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Assessment for allowable catch of fishery resources in the South China Sea based on statistical data

doi: 10.3969/j.issn.0253-4193.2017.08.003

1.
Key Laboratory of South China Sea Fishery Resources Exploitation & Utilization, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, China
2.
Department of Mathematics and Statistics, Shandong University, Weihai 264209, China

Received Date: 2017-01-06
Rev Recd Date: 2017-02-25

Abstract

Abstract

The scientific quantification of allowable catch is a precondition to implementing a fishing quota system. However,the allowable catches for fisheries in the South China Sea (SCS) are difficult to evaluate because of the inclusion of a wide range of fish species,the lack of crucial economic fish species,and incomplete catch statistics. This paper used a simplified production model to estimate allowable catches for eleven fish groups and the total allowable catch (TAC) in the SCS. Maximum sustainable yield (MSY) and TAC in the SCS were calculated to be 308.6×10⁴ t and 246.9×10⁴-277.8×10⁴ t,respectively. MSY estimates for the eleven fish groups showed that they all have been overfished since the 1990s. The stocks of five fish groups (grouper,conger pike,pomfrets,threadfin breams,and hairtails) with low resilience were still being overfished in 2014,with grouper and conger pike being the most extreme examples. The stocks of the remaining six fish groups (Decapterus maruadsi and Trachurus japonicas,sardines,filefish,porgies,Chinese herring,and mackerel) had high resilience and were in good condition in 2014.
- South China Sea,
- fishery resources,
- allowable catch,
- production model,
- overfishing

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References(38)

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