“fish migration channels”的概念、定义、翻译、参考文献-科学参考

单词	fish migration channels
释义	fish migration channels Encyclopedia 农学鱼类洄游通道释 fish migration channels鱼类洄游通道鱼类在一定时期集群沿着固定路线做长、短距离不等的迁移，以转换生活环境的方式，满足它们对生殖、索饵、越冬所要求的适宜条件，并在一定时期又返回原地这一过程所经过的水域。
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