The ecosystem will be thrown out of whack.
生态系统将出现问题。
This unique ecosystem may soon be under pressure.
这个独特的生态系统可能很快就会面临压力。
The question of ecosystem stability is complicated.
生态系统稳定性的问题是复杂的。
A decade ago, this island's ecosystem was in chaos.
十年前，这座岛屿的生态系统陷入混乱。
They believed that the greater the diversity the more stable the ecosystem.
他们认为，生物多样性越丰富，生态系统就越稳定。
More than a decade later, there was no sign of the ecosystem re-building itself.
十多年后，生态系统没有自我重建的迹象。
Ideally, the system would even allow us to pull an ecosystem back from the borderline.
理想情况下，这个系统甚至会让我们把生态系统从边界处拉回来。
We're bringing new blood into the old, conventional farming ecosystem, which is really cool to see.
我们正往古老的传统的农业生态系统中注入新鲜血液，这看起来确实很酷。
In Europe, it is undoubtedly the mountain ecosystem which has changed most rapidly and is most at risk.
在欧洲，变化最快、风险最大的无疑是山地生态系统。
See if you can identify the jellyfish you observed on the beach and how they fit into the local ecosystem．
你看看能不能识别出你在沙滩上观察到的水母，以及它们是怎样融入当地的生态系统的。
Although the ecosystem concept was very popular in the 1950s and 1960s, it is no longer the dominant paradigm.
虽然生态系统概念在20世纪50年代和60年代非常流行，但它已不再是主导的概念。
Introduce elephants into that ecosystem and they might disperse those large maclura seeds, like their ancestors did.
将大象引进到这个生态系统中可能就会帮助传播大颗粒种子了，正如它们的祖先一样。
When snorkeling, do not touch the coral or stir up sediment, as these actions can damage the reef's fragile ecosystem.
潜泳的时候，不要碰珊瑚礁或者搅动沉淀物，因为这样做可能会破坏珊瑚脆弱的生态系统。
We can say that the properties of an ecosystem are more stable than the individual organisms that compose the ecosystem.
可以说，生态系统的特性要比组成生态系统的单个生物体性质更加稳定。
Managing ecosystems sustainably is more profitable than exploiting them, according to the Millennium Ecosystem Assessment.
根据千禧生态系统评估报告，可持续地管理生态系统比掠夺消耗它更有好处。
A number of scientists question the assumption that the presence of alien species can never be acceptable in a natural ecosystem.
一些科学家质疑这样的假设，即在自然生态系统中，外来物种的出现是绝对不会被接受的。
Mathematical models of ecosystems likewise suggest that diversity does not guarantee ecosystem stability—just the opposite, in fact.
生态系统的数学模型同样表明，多样性并不能保证生态系统的稳定性——事实上恰恰相反。
Pests often target specific tree species and, if they become established, they usually remain as permanent components of the ecosystem.
害虫通常以特定的树种为目标，一旦形成，它们通常会成为生态系统的永久组成部分。
Shifts in forest species composition ramify through the ecosystem in many ways because tree species have different, often unique properties.
由于树种具有不同的、往往是独特的特性，森林物种组成的变化以多种方式影响着生态系统。
The rich, green canopy is teeming with life, and forest researchers have developed ingenious methods for accessing this mysterious ecosystem.
富饶的绿树冠上充满了生命，森林研究人员已经研究出了进入这个神秘生态系统的巧妙方法。
As trees outgrow their ideal habitats in the face of climate change, these flying ecosystem engineers could be a big help in replanting trees.
面对气候变化，当树木生长的超出它们理想栖息地时，这些飞行的生态系统工程师对于重新植树能有巨大的帮助。
You just have a regular running stream, because there is no dam, so the ecosystem would be completely different, there would be fewer wetlands.
（这里）只有一条有规律的溪流，因为没有水坝，所以生态系统会完全不同，湿地会更少。
Alternatively, stability can be defined as the speed with which an ecosystem returns to a particular form following a major disturbance, such as a fire.
或者，稳定性可以被定义为生态系统在发生重大扰动，如一场火灾后，恢复到特定形式的速度。
The ecologist is concerned primarily with the quantities of matter and energy that pass through a given ecosystem, and with the rates at which they do so.
生态学家主要关注的是流经某一生态系统的物质和能量的量以及它们的速度。
Agriculture takes place in nature, among ecosystems of interacting organisms and activity, and crop production takes place within that ecosystem environment.
农业是在大自然中进行的；大自然里的生态系统中各种生物和活动相互影响，而粮食的生产正是处在这样的生态环境中。
A decade ago, this island's ecosystem was in chaos. Wild pigs attracted golden eagles from the mainland, and those flying predators crashed the fox population.
十年前，这个岛的生态系统处于混乱状态，野猪吸引了来自大陆的金雕，而那些飞行的捕食者又使狐狸的数量锐减。
The report from the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES) is clear on what's at stake and what needs to change.
这份来自生物多样性和生态系统服务政府间科学政策平台（IPBES）的报告明确指出了什么是利害攸关的以及什么需要改变。
Because complex species interactions may be involved, identifying a keystone species by removing the species and observing changes in the ecosystem is problematic.
由于其中可能涉及复杂的物种相互作用，通过移除一个关键物种并观察生态系统的变化来确定该物种是有问题的。
This ecosystem is one of the fascinating paradoxes of the biosphere: how do clear, and thus nutrient-poor, waters support such prolific and productive communities?
这个生态系统是生物圈中令人着迷的悖论之一：清澈而又缺乏营养的水域是如何支撑如此多产的群落的？
The report also highlights incidents of fishing boats being involved in groundings, oil spills and accidents, which posed a serious threat to the Antarctic ecosystem.
这份报告还强调了渔船搁浅、石油泄漏和意外事件，这些事件对南极生态系统构成了严重威胁。
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