溯河洄游
sù hé huí yóu
- anadromous migration
溯河洄游
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中华鲟(Acipensersinensis)是在我国东海、黄渤海大陆架生长,到长江上游金沙江下段或珠江上游江段繁殖的大型溯河洄游鱼类。
The anadromous Chinese sturgeon ( Acipenser sinensis ) mainly lives in the continental shelf of the Yellow Sea and East China Sea , and spawns in the Yangtze River and Pearl River .
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本文提供了一种基于DIDSON的溯河洄游幼香鱼计数的新方法。
In this paper we present a new method for counting small size juvenile ayu that migrates upriver using a DIDSON .
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文中提出的耳石中心核的定位方法适用于所有溯河或降河洄游的鱼类。
An efficient and precise method was proposed to locate an otolith core , which can be applied on any species of migratory fishes .