生态学杂志2011，Vol.30Issue(6)：1142-1146,5.
东南太平洋智利竹筴鱼渔场及单位捕捞努力量的时空分布
Spatiotemporal distribution pattern of Chilean jack mackerel (Trachurus murphyi) fishing grounds and catch yield per unit effort in Southeast Pacific Ocean
摘要
Abstract
Based on the statistical data of Chilean jack mackerel catch yield of “ Kai Fu” vessel in March-December 2007 and the related sea surface temperature ( SST) obtained by satellite remote sensing, this paper analyzed the seasonal changes of fish catch and net catch, and approached the relationship between the spatiotemporal distribution pattern of Chilean jack mackerel catch yield per unit effort ( CPUE) and SST. The CPUE was higher in May-August and lower in other months, being in the order winter ＞ autumn ＞ spring ＞ early summer. In the whole year, the catch yield of Chilean jack mackerel was higher when the SST was at 12 ℃ -14 ℃ , followed by at 15 ℃ -17 ℃ . The fishing grounds were distributed in higher altitudes (41°S-46°S) in autumn , and moved northward ( 34°S-42°S) and westward to 101°W in winter, continuously westward and then eastward (29° variation of longitude) in early spring, and southward in early summer. Overall, in 2007, there was an obvious seasonal change in the spatiotemporal distribution patterns of Chilean jack mackerel fishing grounds, and the CPUE value had a larger fluctuation range .关键词
智利竹筴鱼/渔场/CPUE/东南太平洋Key words
Chilean jack mackerel/ fishing ground/ per unit catch effort/ Southeast Pacific Ocean.分类
生物科学引用本文复制引用
张衡,张胜茂..东南太平洋智利竹筴鱼渔场及单位捕捞努力量的时空分布[J].生态学杂志,2011,30(6):1142-1146,5.基金项目
国家"863"计划项目(2007AA092202)、大洋生物资源开发和利用上海市高校重点实验室开放基金项目(KF200908)和中央级公益性科研院所基本科研业务费专项资金项目(2007T10和2008Z01)资助. （2007AA092202）
