Abstract:The data including fish production, sea surface temperature (SST), sea surface salinity (SSS) and Chlorophyll A (Chl-a) collected by“1301ZhouYu” from July to September in 2010and between June and October in 2011and the sea current data obtained by satellite remote sensing are combined to study the effects of marine environmental elements on spatio-temporal distribution of neon flying squid in the northern Pacific fishing ground. Research shows that catch frequency on SST and Chl-a are normally distributed, and the optimal conditions for high fish production are 18~20℃for SST, 33.60‰~34.80‰ for SSS, 0.08~0.24mg/m3for Chl-a. A better match is seen between SST and fishing grounds. Productive fisheries are usually located near the 18~20℃ isotherm, generally on the cold water side of the intersection between cold water and warm water masses. Center fisheries located to the north side of the pro tide and close to the Kuroshio intersection mixed zone. As time went on, the position of center fisheries moved towards the northwest direction step by step. On the whole, several environmental factors could be the index to identify potential center fisheries, but SST is the best choice. Combining this with factors such as the intersection situation of cold and warm water, Chl-a concentrations and sea weather will give more accurate prediction of the center position of fishing grounds.
唐峰华, 靳少非, 张胜茂, 崔雪森, 伍玉梅, 刘健, 黄洪亮. 北太平洋柔鱼渔场时空分布与海洋环境要素的研究[J]. 中国环境科学, 2014, 34(8): 2093-2100.
TANG Feng-Hua, JIN Shao-Fei, ZHANG Sheng-Mao, CUI Xue-Sen, WU Yu-Mei, LIU Jian, HUANG Hong-Liang. Study for marine environmental elements on spatio-temporal distribution of neon flying squid in the north Pacific fishing ground. CHINA ENVIRONMENTAL SCIENCECE, 2014, 34(8): 2093-2100.