鱼类种群

海洋生物也可能受到影响：厄尔尼诺现象会减少大量鱼类种群赖以生存的营养丰富的冷水的上升,异常温暖的海洋温度也会破坏珊瑚。

Marine life may be affected too ： El Ninos can reduce the rising of the cold , nutrient-rich water that supports large fish populations , and the unusually warm ocean temperatures can destroy coral .

动物线粒体DNA研究及在鱼类种群遗传结构研究中的应用

The study of animal mitochondrial DNA and its application to the study on fish population genetic structure

AFLP技术在鱼类种群分析中的应用

Application of AFLP in the analysis of fish population

具体长结构的鱼类种群的数学模型及其应用

A body-length-structured mathematical model for fish population study and its application

滇池鱼类种群数量减少。

The number of fish species in Dianchi Lake also declined . 2 .

自食性鱼类种群动态的分析模式

The analytic model of population dynamics for cannibal fishes

剩余产量模型是鱼类种群动力学的主要模型之一。

Surplus production models are among the main models for fish population dynamics .

在人类不断施压的情况下，这些鱼类种群将无法恢复。

These stocks cannot recover from the human pressure .

鱼类种群动态模型的滤波分析

Filtering Analysis of Fish Population with Dynamics Model

跨界和洄游鱼类种群会议；

Conference on straddling and migratory fish stocks ;

中国近海主要鱼类种群变动与生活史型的演变

Population dynamics and life history patterns for main marine fishes in the coastal waters of China

黄渤海区中上层鱼类种群变动的初步分析

A preliminary analysis of the population dynamics of pelagic fishes in the Yellow Sea and Bohai 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 ;

约翰内斯堡首脑会议确定的目标，到2015年将枯竭的鱼类种群恢复到可持续的水平。

The Johannesburg summit set the goal of restoring depleted fish stocks to a sustainable level by2015 .

姚江鱼类种群生态特点和鱼产力估量

Ecological features of fish population in the river yao-jiang , with a discussion on fish-producing capacity of the river

渔业管理组织在促进养护和管理鱼类种群的国际合作方面发挥着独特作用。

The fishery management organization plays a unique role in promoting international cooperation on conservation and management of fish stocks .

养护和管理公海跨界鱼类种群和高度洄游鱼类种群公约草案；

Draft Convention on the conservation and management of straddling fish stocks and highly migratory fish stocks on the high seas ;

含磷物质：对水有软化作用，提高清洁能力，但可促进河道产生藻类水花，对鱼类种群有杀伤性。

Phosphates soften water for detergents but contribute to algae blooms in our waterways , which can kill off fish populations .

资源评估是应用各种统计和数学方法量化地研究鱼类种群形态对渔业管理选择的反应。

Fish stock assessment is to use various statistical and mathematical methods to quantify the reactions of fish population to fisheries management choices .

粮农组织帮助各国保存鱼类种群和水生资源，保护环境并确保子孙后代不会挨饿。

FAO helps countries conserve fish stocks and aquatic resources , protect the environment and ensure that future generations will not go hungry .

太平洋岛屿国家还重申在西部及中部太平洋为有效管理并保护高度洄游鱼类种群加强地区性团结。

The Pacific islands also reaffirmed regional solidarity for effective management and conservation of highly migratory fish stocks in the western and central Pacific Ocean .

在孟加拉国和柬埔寨等国，鱼类种群的减少对沿海和内陆社区贫困家庭的健康状况构成了切实的威胁。

In places like Bangladesh and Cambodia , the depletion of fish stocks presents a real threat for the health of poor families in coastal and inland communities .

各种鱼类种群被迫在日益严峻的环境条件下进行生存斗争，产生了一系列表型性状的变化，主要体现在鱼类小型化方面。

All kinds of fishes are now struggling in the severe environmental conditions and have change a lot in phenotypic traits , especially the miniaturization of fish resources .

他们为鱼类种群，特别是珍稀濒危种群提供了重要的生境。它们同时也成为了鱼类及其他海洋生物提供了产卵和养育后代的场所。

They provide important habitat for fish populations , including rare and endangered fish species , and are spawning and nursery areas for many fish and other marine species .

陆女士说，香港政府去年实施了禁止拖网捕鱼法案，环保团体认为这将改善当地的鱼类种群并保护栖息在香港的海豚。

Ms. Loh said the government implemented a trawling ban last year , which green groups hope will improve local fish stocks and protect Hong Kong 's dolphin population .

该模型可用于预测某一水域中某种鱼类种群不同体长的鱼的数量随时间变化的情况。

The new model is superior to the models obtained in the past , and can been used to estimate the numbers of different sizes in one species fish population .

据研究狮子鱼入侵对策的国际珊瑚礁学会狮子鱼的到来引起了对当地鱼类种群的严重破坏。

Their arrival has caused quote extreme disruption to native fish communities , according to the International Coral Reef Initiative , which is studying what to do about the lionfish invasion .

然而，总的来说，研究中大约三分之二的鱼类种群仍需重建。只有两个地区在之前和现在的调查中都不存在过度捕鱼的问题。

Yet , in all , almost two-thirds of fish populations studied worldwide still need rebuilding . Only two areas did not have an overfishing problem in either the new study or the earlier one .

《中西太平洋高度洄游鱼类种群养护和管理公约》（以下简称《公约》）已经生效，中西太平洋渔业委员会也将开始正式运作。

The Convention on the Conservation and Management of Highly Migratory Fish Stocks in the Western and Central Pacific Ocean ( hereafter the Convention ) has entered into force , and Western and Central Pacific Fisheries Commission ( WCPFC ) will formally operate .

考虑到这种珍稀鱼类的种群与资源衰退现状，建议在长江河口区制定必要的保护措施。

Concerning the depressed population of this precious and rare fish , the authors propose that suitable protective measures in the estuarine region of the Changjiang River should be taken .