The relationship between the resources of <i>Sthenoteuthis oualaniensis</i> in the open South China Sea and the marine environment

Zhou Yanbo; Xie Enge; Wu Qiaer; Feng Fei

doi:10.12284/hyxb2021008

Volume 43 Issue 2

Mar. 2021

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Zhou Yanbo，Xie Enge，Wu Qiaer, et al. The relationship between the resources of Sthenoteuthis oualaniensis in the open South China Sea and the marine environment[J]. Haiyang Xuebao，2021, 43(2)：38–48 doi: 10.12284/hyxb2021008

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Zhou Yanbo，Xie Enge，Wu Qiaer, et al. The relationship between the resources of Sthenoteuthis oualaniensis in the open South China Sea and the marine environment[J]. Haiyang Xuebao，2021, 43(2)：38–48 doi: 10.12284/hyxb2021008

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The relationship between the resources of Sthenoteuthis oualaniensis in the open South China Sea and the marine environment

doi: 10.12284/hyxb2021008

Zhou Yanbo^{1, 3
,},
Xie Enge^{1, 2, 3},
Wu Qiaer^{1, 2, 3
,
,},
Feng Fei^{1, 3}

1.
South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, China
2.
College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China
3.
Key Laboratory of Open-Sea Fishery Development, Ministry of Agriculture, Guangzhou 510300, China

Received Date: 2020-03-09
Rev Recd Date: 2020-07-19

Available Online: 2021-01-25

Publish Date: 2021-03-02

Abstract

Abstract

In order to study the relationship between the open South China Sea Sthenoteuthis oualaniensis fishing ground and the marine environmental factors, this article is based on the data of fishing net fishing boat production and remote sensing of marine environment from 2013 to 2018 in Beihai, Guangxi Zhuang Autonomous Redion. The relationship between the spatiotemporal distribution of the fishing ground of Sthenoteuthis oualaniensis and sea surface temperature (SST), sea surface height (SSH) and sea surface chlorophyll a (Chl a) concentration were studied. The results showed that in the sea areas of 5°−20°N and 108°−118°E, the three environmental factors of SST, SSH and Chl a concentration had a great influence on the spatial and temporal distribution of the fishing ground of Sthenoteuthis oualaniensis. The suitable values of SST, SSH and Chl a concentration within the fishing Sthenoteuthis oualaniensis ground of oualaniensis were: 25−31℃, 46−80 cm, 0.05−0.27 mg/m³, and the center of gravity of the fishing ground shifts from south to north. In addition, the K-S test was performed on the relationship between CPUE values and marine environmental factors from January to December 2013−2018, and the results showed that there was no significant difference between the CPUE values and marine environmental factors.Therefore, the three environmental indicators SST, SSH and Chl a concentration can effectively characterize the resource density of the Sthenoteuthis oualaniensis and the distribution of the central fishing ground.
- the open South China Sea,
- Sthenoteuthis oualaniensis,
- central fishing ground,
- marine environment factor

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References(26)

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