越冬洄游又称为季节洄游，主要见于暖水性鱼类。当冬季届临，水温逐步下降时，环境温度的变化成为影响暖水性鱼类生存的主要因素。它们必须离开原来索饵肥育的水域，集群游向水温适宜的栖息场所过冬，这就产生了越冬洄游。
冷水团边缘应是鳀鱼越冬洄游的主要路径。
The marginal region of the YSCWM seems to be the main wintering migration route of anchovy.
渔业水域，是指鱼虾类的产卵场、索饵场、越冬场、洄游通道和鱼虾贝藻类的养殖场。
"Fishing areas" means spawning grounds, feeding grounds, wintering grounds and migration channels of fishes and shrimps , and the mariculture waters of fishes, shrimps shellfishes and algae.
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