一个原始物种可能已经适应了利用一个岛屿上特定的生态位，然后在水上迁徙到其他岛屿定居。
An ancestral species might have adapted to exploit a particular ecological niche on one island and then traveled over water to colonize other islands.
在每一次物种大灭绝后，都有一次突然的进化爆发，因为会有新物种出现来填补灭绝创造的生态位。
Following each mass extinction, there is a sudden evolutionary burst as new species develop to fill the ecological niches opened by the event.
即使新的种群属于不同物种，它也可以大致填补已灭绝种群空出的生态位，保持食物网的完整。
Even if the new population is of a different species, it can approximately fill the niche vacated by the extinct population and keep the food web intact.
他们究竟填补了哪些进化中的生态位有待讨论，主要是因为在过去50年里没有人见过棘龙的骨骼。
Just what evolutionary niche they filled is up for debate, largely because no one has seen a spinosaurus skeleton for the last 50 years.
鸟类也被广泛应用于生态位假说和乔治高斯竞争排斥原理的研究中。
Birds were also widely used in studies of the niche hypothesis and Georgii Gause's competitive exclusion principle.
一位生态学家曾经问一个男孩，他认为保护环境意味着什么。
An ecologist once asked a boy what he thought it meant to protect the environment.
她的论文导师是劳斯·奇卡博士，一位昆虫感觉和认知能力生态学的专家，当时他正在研究熊蜂。
Her thesis adviser was Dr. Lars Chittka, an expert on the ecology of insect sensory and cognitive abilities, who was studying bumblebees.
但是在一项最新研究中，两位海洋生态学家指出，企鹅并非存在夜间视力差的问题。
But in a new study, two Marine ecologists argue that the penguins actually have no trouble seeing in the dark.
但当我把这告诉一位我认识的生态学家时，她吓了一跳。
但是如今一位生态学家提出，气候变化的效应将比人们认识到的更复杂——而且甚至可能减少一些传染病的发病率。
But now an ecologist argues that the effects of climate change will be more complex than has been acknowledged - and that there may even be a reduction in the incidence of some infectious diseases.
“不改变，沙漠会恶化”托尼·博格斯声称，这是位身材魁梧，留着一大把红胡须的生态学家。
"Without change, deserts deteriorate," claims Tony Burgess, a burly ecologist with a huge red beard.
报告的联合作者，一位来自美国地质学研究领域的科学家詹妮佛哈顿认为，有越来越多的证据表明，北部亚寒带地区的生态系统是受气候变化的影响最大，而这份报告则为这样的事实又增加了证明。
This study is part of a growing body of evidence that northern systems are bearing the brunt of climate change, said co-author Jennifer Harden, a U. S. Geological Survey scientist.
2006年，Marzluff，华盛顿大学西雅图分校的一位生态学家，用网捕捉当地的乌鸦作为研究数量不断增加的乌鸦如何影响其他鸟类的一部分。
In 2006, Marzluff, an ecologist at the University of Washington, Seattle, was using nets to capture local crows as part of a study on how expanding crow populations were affecting other birds.
马林是一位水域生态学家，广泛研究淡水、河口及沿海海域的生态系统。
MICHAEL A. MALLIN is an aquatic ecologist who has extensively studied pollution in freshwater, estuarine and coastal marine systems.
如能心存以上的“人生态度”，我敢说你定是一位世界上最幸福的人。
If can be more "attitude", I dare say: you are a the happiest person in the world.
查尔斯·罗伯特·达尔文不仅是进化思想史上一位极其重要的人物，而且也是生态学命名以前的伟大倡导者。
Charles Robert Darwin is not only an extremely important thinker in the history of evolution thoughts but also a famous urger before the ecology revolutionary.
一位《国家地理》新兴的探测者和同事，萨拉和他的团队正在研究整个的海洋生态系统的南线群岛。
A National Geographic emerging explorer and fellow, Sala and his team are studying the entire Marine ecosystem of the southern Line Islands.
一位现代生态学家说：人类是作为绿色植物的客人生活在地球上的。
A contemporary ecologist once said: man lives on the earth as a guest of green plants.
“它们追逐移动的一切”，安克萨拉注重到，一个海洋生态学家在西班牙的国家科学研究会议和一位国家地理的同事。
"They go after everything that moves" observed Enric Sala a Marine ecologist on Spain's National Council for Scientific Research and a National Geographic fellow.
雷恩·凯利(Ryan Kelly)是华盛顿大学西雅图分校海洋和环境学院的一位生态学家。
Ryan Kelly is an ecologist at the School of Marine and Environmental Affairs at the University of Washington in Seattle.
超级天团ABBA乐队脍炙人口的22首经典金曲，贯穿全剧，将欢乐的人生态度传递给每一位众。
The famous 22 classic music of superstar ABBA run through the whole play and it passes the optimistic attitude of life to every audience.
46位科学家利用这段美好的时光聚集在一起，敞开心扉，彼此尊重，相互了解，对当今的基础与应用科学的学术生态环境与研究前景进行了充满遐想的讨论。
A total of 46 scientists participated in the meeting. During the meeting, the academic environment and prospects of basic and applied science were discussed with respect, and without reservation.
他是一位知名的生态学家。
三者之中，生态效益是第一位的。
三者之中，生态效益是第一位的。
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