西北太平洋公海秋刀鱼渔场及CPUE值的时空分布  

Spatiotemporal distribution pattern of saury fishing grounds and catch yield per unit effort in the Northern Pacific high sea in 2014

作　　者：吴越[1,2] 黄洪亮[1,2] 刘健[1,2] 杨嘉樑[1,2] 齐广瑞[1,2] 周斌[1,2] 

机构地区：[1]中国水产科学研究院东海水产研究所农业部东海与远洋渔业资源开发利用重点实验室,上海200090 [2]中国水产科学研究院海洋捕捞工程技术研究中心,上海200090

出　　处：《渔业现代化》2015年第3期61-64,共4页Fishery Modernization

基　　金：国家高技术研究发展计划(2012AA092303);工信部高技术船舶科研项目(工信部联装[2012]534号)

摘　　要：为了初步掌握西北太平洋公海秋刀鱼渔场的变动规律,利用"欧亚1号"渔船2014年5—11月的渔捞数据,对西北太平洋公海秋刀鱼渔场的空间分布进行了研究分析,结果表明,西北太平洋公海秋刀鱼各月作业渔场分布较广,作业区域范围在38°N^48°N、147°E^163°E之间;捕捞作业渔场西北太平洋秋刀鱼洄游路线基本一致;8月份的月平均单位捕捞努力量渔获量(CPUE)最低,仅为9.1 t/d,9—11月份CPUE平均值较高;39°N^40°N的CPUE平均值较高,为36.10 t/d,146°E^147°E的CPUE平均值较高,为52.29 t/d;捕捞作业区域的作业水温范围在9.8~16.5℃区间内,其中接近72%的作业时间处于12~14℃之间;西北太平洋公海秋刀鱼渔场时空分布具有明显的季节变化,CPUE值波动范围较大。In 2014, Stick-Held Net Fishery for Cololabis saira from China got fast development. We used the fishing data from May to November of ＂OUYA No. 1＂ in 2014 to study the spatiotemporal distribution pattern of saury fishing grounds. The results indicated that the distribution of fishing ground changed widely in month, and it mainly concentrated in the waters near 38 °N ~ 48 °N, 147 °E ~ 163 °E. The changing direction of fishing grounds was basically identical with the routes of saury migration in Northwest Pacific. The average value of CPUE in August was the lowest, only 9.1 t/d, while the average value of CPUE from September to November was higher. The average value of CPUE in the ranges of 39°E -40°E and 42°E -45°E were higher than that of other latitudes, and the average value of CPUE in the ranges of 146°E - 148°E, 153°E - 157°E and 160°E 161°E were higher than that of other longitudes which was above 30 t/d. The range of SST in fishing area was from 9.8 ℃ to 16.5 ℃, and during 72% of the fishing time, the SST ranged from 12 ℃ to 14 ℃. In general, the spatiotemporal distribution of saury fishery in the high seas of the northwestern Pacific has obvious seasonal changes, and the CPUE value is volatile.

关 键 词：西北太平洋公海 秋刀鱼 作业渔场 CPUE 时空分布 

分 类 号：S977[农业科学—捕捞与储运]