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zhou shan shi 1989 nian hai yang yu ye chun xia xun yu qing yu ce
Author(s): 
Pages: 40-41
Year: Issue:  4
Journal: China Fisheries

Keyword:  海洋渔业舟山市小型鱼类浙江渔场产卵期渔情舟山渔场带鱼资源幼鱼冬汛;
Abstract: <正> 春暖花开,北方冷空气逐渐离开浙江渔场,随着东南风的替代,台湾暖流也徐徐北上。这时正是多种鱼类的产卵期,到五月份后则为多种鱼类幼鱼的生长期。由于鱼类在产卵时有集群的本能,因此形成了一年一度的春夏汛。春夏汛与冬汛的明显区别,首先是作业发生变化,由对网改为多种形式的作业;其次是鱼种发生变化,即由以捕捞带鱼为主转为捕多种鱼类作业。一、近几年的春夏汛生产情况。春夏汛是捕大小
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