Acoustic assessment of five groups commercial fish in South China Sea

CHEN Guo-bao; LI Yong-zhen; ZHAO Xian-yong; CHEN Yu-zhen; JIN Xian-shi

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CHEN Guo-bao, LI Yong-zhen, ZHAO Xian-yong, CHEN Yu-zhen, JIN Xian-shi. Acoustic assessment of five groups commercial fish in South China Sea[J]. Haiyang Xuebao, 2006, 28(2): 128-134.

Citation:

CHEN Guo-bao, LI Yong-zhen, ZHAO Xian-yong, CHEN Yu-zhen, JIN Xian-shi. Acoustic assessment of five groups commercial fish in South China Sea[J]. Haiyang Xuebao, 2006, 28(2): 128-134.

CHEN Guo-bao, LI Yong-zhen, ZHAO Xian-yong, CHEN Yu-zhen, JIN Xian-shi. Acoustic assessment of five groups commercial fish in South China Sea[J]. Haiyang Xuebao, 2006, 28(2): 128-134.

Citation:

CHEN Guo-bao, LI Yong-zhen, ZHAO Xian-yong, CHEN Yu-zhen, JIN Xian-shi. Acoustic assessment of five groups commercial fish in South China Sea[J]. Haiyang Xuebao, 2006, 28(2): 128-134.

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Acoustic assessment of five groups commercial fish in South China Sea

1.
South China Sea Fisheries Research Institute, Chinese Academy of Fisheries Sciences, Guangzhou 510300, China
2.
Yellow Sea Fisheries Research Institute, Chinese Academy of Fisheries Sciences, Qingdao 266071, China

Received Date: 2005-04-12
Rev Recd Date: 2005-11-18

Abstract

Abstract

A fishery acoustic survey was conducted in the northern waters of South China Sea by calibrated Simrad EK500 echosounder on board R/V Beidou in spring (April to June),summer (July to September),autumn (October to December) and winter (December to February) from December 1997 to June 1999.Based on the data,this article assessed the stocks of 23 species of 5 commer cial taxonomical groups) Trichiuridae were assessed,Decapterus maruadsi,Trachurusjaponicus,Nemipterus and Priacanthidae.The results show that stocks of Trichiuridae,Decapterus maruadsi,Trachurus japonicus,Nemipterus and Priacanthidae are 5.04×10⁵,1.63×10⁵,1.04×10⁵,9.8×10⁴ and 9.2×10⁴ t,respectively,in the north waters of South China Sea.In addition,regional distribution and seasonal variation of stock densities of the species were still analyaed.
- stock density,
- commercial fish,
- acoustic assessment,
- South China Sea

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References(13)

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