中西太平洋海况对黄鳍金枪鱼渔业作业的影响  

Influence of sea condition of the Central and Western Pacific onyellowfin tuna (Thunnus albacores) fishery

作　　者：司文 杨郭 王学华 张春玲 胡松[1] SI Wen;YANG Guo;WANG Xuehua;ZHANG Chunling;HU Song(College of Marine Science,Shanghai Ocean University,Shanghai 201306,China)

机构地区：[1]上海海洋大学海洋科学学院,上海201306

出　　处：《海洋湖沼通报（中英文）》2024年第5期131-138,共8页Transactions of Oceanology and Limnology

基　　金：大洋渔业资源可持续开发教育部重点实验室开放基金(A1-2006-21-200201)。

摘　　要：海况条件对渔业生产作业的难易和渔船安全有着决定性的影响,气象条件也是渔场形成和资源变动的重要诱因之一。本文以中西太平洋黄鳍金枪鱼为研究对象,利用2008—2017年十年的气象卫星观测及再分析数据集,系统统计分析了渔场区的风、浪特征,并结合同期的黄鳍金枪鱼生产数据,分析评估了海况条件对渔业生产的影响。结果表明,中西太平洋黄鳍金枪鱼渔场区平均风速约为5~6 m/s,瞬时风速集中在4~6 m/s之间,而平均有效波高小于2 m,瞬时局地有效波高约为1~3 m;每个月的平均风速和平均有效波高与渔业作业次数大体呈反比关系;渔场区大多为三、四级海况,夏、秋季节多数时间的三级海况比冬、春两季明显较多,更适宜渔船作业。The sea condition has a decisive influence on the difficulty of fishery production and the safety of fishing vessels.The meteorological condition is also one of the important inducement for the formation of fishing area and the change of resources.Choosing the yellowfin tuna as the studying object and based on the ten-year meteorological satellite observation and reanalysis data set from 2008 to 2017,in this paper,we systematically analyzed the characteristics of wind and wave in the fishing area。By combining with the production data of yellowfin tuna during the same period,we analyzed and evaluated the influence of sea condition on fishery production.The results showed that the average wind speed in the Central and Western Pacific is about 5~6 m/s,the instantaneous wind speed varies between 4 and 6 m/s,the average significant wave height is less than 2 m,and the instantaneous local significant wave height changes from 1 to 3 m.Essentially,the monthly average wind speed and average significant wave height are inversely proportional to the number of fishing operations.The grade of sea condition in most of the fishing area varied between III and IV.And the sea condition of grade III in summer and autumn is more suitable for fishing vessel operation than that in winter and spring.

关 键 词：风 浪 海况 黄鳍金枪鱼 中西太平洋 

分 类 号：S931.41[农业科学—渔业资源]