洄游

耳石中Sr、Ca浓度比例在第5至第7测点出现第1个高峰，这与稚鱼为了越冬洄游到海中时间相吻合。

The first peak of Sr / Ca concentration ratio appeared at the 5 th ~ 7 th measurement point that coincided with the time of migration of the juvenile fish to the sea for overwintering .

中华鲟（AcipensersinensisGray）属江海洄游性鱼类，主要分布在我国东海、黄海、珠江和长江。

The Chinese sturgeon ( Acipenser sinensis Gray ) is among the large anadromous species that involves riverine spawning migration . It lives mainly in the East China Sea , Yellow Sea , Pearl River and Yangtze .

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 .

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 .

黄海鲐鱼（PneumatophorusjaponicusHouttuyn）渔业生物学研究Ⅰ.黄、渤海鲐鱼洄游分布的研究

Studies on the fisheries biology of mackerel ( pneumatophorus japonicus houttuyn ) in the Yellow Sea ⅰ . on the migratory and distributional patterns of mackerel in the Yellow Sea and Bohai Sea

其方法是在海龟背上粘附卫星链接发报器并通过全球Argos卫星信号传输系统追踪南海绿海龟产卵后的洄游路径。

The method was tracking the post nesting migrant routes of green turtles through the satellite linked transmitters which were attached on the back of turtles and the global satellite signal transmitting system of Argos .

因此，现有研究已基本澄清长江刀鲚具有2个生态类型的种群或生态型（ecotype），一类为淡水定居，包括湖鲚和短颌鲚；另一类为洄游，也即以前的刀鲚。

Therefore , the existing research has been basically clarified Coilia with two ecological types of species or ecosystem type ( ecotype ), one for freshwater ecological settlement , including the lake anchovy and short-jaw anchovy ; the other for the migratory ecotype also formerly Coilia .

鲚属鱼类隶属于鲱形目（Clupeiformes）、鯷科（Engraulidae），是江海洄游性鱼类，也是长江中下游及沿海一带重要的经济鱼类之一，占当地渔业总产量的比例甚大。

Coilia ectenes belongs to Clupeiformes 、 Engraulidae 、 Coilia Gray , an important economic anadromous fish , which has large distribution in the middle and lower reaches of the Changjiang River or inshore land , a lagre proportion in local total yield .

高度洄游的大洋性金枪鱼类（Scombridae）是世界远洋渔业的重要捕捞对象，中国金枪鱼生产仍处于初期发展阶段，因此研究和预测金枪鱼渔场具有重要的现实意义。

Highly migration tuna is one of the most important fishing objects of high sea fisheries of the world . At present , the tuna fishery of China is at the primary development period , and it is practically significant to engage in forecasting and studying on tuna fishing grounds .

渤海对虾洄游和分布的研究

Studies on migration and distribution of Penaeus prawn in Bohai Sea

国外水电站的洄游鱼类过坝设施最新发展

Latest international development of anadromous fish passage facilities at hydropower stations

但持续的干旱可能会妨碍一些鲑鱼的洄游。

But the continuing drought could destroy some runs of salmon .

暗纹东方鲀生殖洄游期性腺发育特点及人工繁殖的研究

Characteristics of sexual gonad development and artificial propagation of

跨界和洄游鱼类种群会议；

Conference on straddling and migratory fish stocks ;

不只是渔民期盼着每年一度的鲑鱼洄游。

Fishermen aren 't the only ones looking forward to the annual salmon run .

溪水少到好几周没有鲑鱼洄游。

The creek was so low that for weeks there was no salmon run .

越冬和产卵洄游期黄海鳀鱼对能量的利用差异

Differential utilization of energy during wintering and spawning migration of anchovy in the Yellow Sea

联合国跨界鱼类种群和高度洄游鱼类种群会议最后文件；

Final act of the United Nations Conference on straddling fish stocks and highly migratory fish stocks ;

暗纹东方鱼屯俗称河豚，属江海洄游性鱼类。

Takifugu obscurus , popularly named obscure puffer , is a fish of river to sea migration .

因此，人类的养殖活动海域应避开野生资源种类的栖息地、洄游和产卵场所。

Therefore , the habitat of wild species , the migratory and spawning sites should be avoided .

安徽无为长江段刀鲚生殖洄游群体年龄结构的变化分析

Analysis on the Change of Reproductive Population Composition of Coilia ectenes in Wuwei Section of Anhui in Yangtze River

冬季洄游的奇努克鲑鱼出生于萨克拉门托河，然后游到数百英里外的太平洋。

Winter-run Chinook salmon are born in the Sacramento River and travel hundreds of miles to the Pacific Ocean .

蓝鲸有季节性洄游的习性，夏季游向两极，冬季又游回赤道。

Blue whales also migrate from the polar waters in the summer down to the Equator in the winter .

与几乎全靠孵化繁殖项目才存活下来的秋季洄游的奇努克鲑鱼不同，冬季洄游的奇努克鲑鱼大部分都是野生的。

Unlike the autumn-run Chinook that survives almost entirely from hatchery breeding programs , the winter-run is still largely wild .

中华鲟产卵洄游群体结构和资源量估算的研究

Investigations on the structure of spawning population of Chinese sturgeon ( Acipenser sinensis gray ) and the estimate of its stock

游动的鲑鱼群（如在溯江洄游途中）河是鱼和鳄鱼的家。

A run of salmon , eg on their way upstream The river is home to a fish and a crocodile .

黄河口及莱州湾海域曼氏无针乌贼的群体组成和洄游分布

Population composition and migratory distribution of cuttlefish ( sepiella maindroni de rochebrune ) in the Huanghe Estuary and the Laizhou Gulf

这片海域也是弓头鲸和海象等海洋哺乳动物的重要洄游路线。

The sea is also a major migration route and feeding area for marine mammals , including bowhead whales and walruses .

上世纪，商业性捕鱼和阻挡洄游产卵路线的水坝建设导致其数量骤减。

Its population was decimated in the past century by commercial fishing and dams that sealed off its migratory spawning routes .

渔雁是追随着鱼虾的洄游而在两地或几地之间迁徙的渔民群体。

Yuyans refer to fishermen who migrate between two places or more places according to the migration of fish and shrimps .