文献类型： 会议论文

第一作者： Yu Jie

作者： Yu Jie ¹ ; Chen Guobao ¹ ; Chen pimao ¹ ;

作者机构： 1.South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangdong Guangzhou, 510300,China,Scientific Observing and Experimental Station of South China Sea Fishery Resources and Environments, Ministry of Agriculture, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, PR China

关键词： Typhoon;Dual-trawl boat;Chlorophyll a

会议名称： Asian conference on remote sensingACRS

主办单位：

页码： 1899-1908

摘要： The northern South China Sea (NSCS) is a traditional fishing region in China. Although the high frequency of typhoons in the region, the response of fishery to typhoons are now not well studied. Based on catch data from a dual-trawl boat and environment data from satellite remote sensing in offshore region of NSCS, the effect of typhoons on fishery were analyzed. In October 2015, typhoon Mujigae passed through the western part of the NSCS. We analyzed variations of the fish catch, fishing ground and major target fish species before and after typhoon. The result show that an obviously increase in the total catch emerged in region S (20.5-21 °N, 112.5-113 °E). The total catch in region S in October 2015 was 607250 kg net~(-1), was 7.28 and 17.42 times to that in October 2014 and October 2013. The total catch in region S reach maximum of 22600 kg net~(-1) on October 6~(th) 2015 2 days after Mujigae. Sardine and Anchovy are two major captures in dual-trawl boat. Sardine exhibited dramatically increase in both catch and proportion in total catch. The amount of Sardine in October 2015 was 961 t, was 6.89 and 13.16 times compared to that in October 2014 and October 2013. The proportion between the amount of Sardine and total catch increased from 89.24% in October 2013 to 98.97% in October 2015. The amount of Anchovy in September and December 2015 was 18.5 t and 9.05 t, while there was no Anchovy caught in October and November 2015. These showed the positive effect of typhoon on Sardine, but passive effect of typhoon on Anchovy. The increase in primary production in region S associated with typhoon may be the main reason induced the changes in fish production and location of fishing ground.

分类号： tp7