为维持平衡，生态系统“顶点”的大鱼可能和小鱼一样重要。
To maintain a balance, big "apex" fish may be as important as the small one.
植物平衡了生态系统、保护了流域、减缓了侵蚀、缓和了气候，为许多动物物种提供了庇护所。
Plant life balances ecosystems, protects watersheds, mitigates erosion, moderates climate and provides shelter for many animal species.
随着美洲虎的消失，生态系统失去了平衡。
因为没有美洲虎，它们非常丰富，这导致了生态系统的不平衡。
They are very abundant because of the absence of the jaguar, which causes imbalances in the ecosystem.
生态平衡是生态系统“自因、自为、自然、自在”的本能运动。
The ecological balance is the instinctive movement of the ecosystem by "self cause, self conduct, natural presence, and self existence".
化肥和粪肥都释放氮到自然生态系统，如河流，从而破坏自然的平衡。
Both fertilizers and manure release nitrogen into natural systems such as rivers, upsetting the natural balance.
这就是为什么，一旦我们进入了森林深处，我们就能看到一个平衡的生态系统。
And that's why, once we got deep into the forest, we saw a balanced ecosystem.
在一种意义上，确实可以认为生态系统是平衡与和谐的，组成生态系统的物种相互依赖。
There really is a sense in which ecosystems are balanced and harmonious, with some of their constituent species becoming mutually dependent.
然而，红树林生态系统受到微妙的盐水平衡的控制。
The mangrove’s ecosystem, however, is at the mercy of a delicate saline balance.
不可否认，动物在维持地球生态系统的微妙平衡上起到了重要作用。
It is an undeniable fact that animals play a vital role in maintaining the subtle balance of the earth's ecological system.
食物链等级体系中的高等级物种平均捕获率(而捕获正在并将持续进行)处于持续上升态势之中——按照所谓食物链等级理论，这应当意味着海洋生态系统的健康平衡发生了变化。
The average trophic level of what is being caught is rising — and this in principle should indicate improving ecosystem health.
另一个教训是，为维持平衡，生态系统“顶点”的大鱼可能象小鱼一样重要。
Another is that, to maintain a balance, big "apex" fish may be as important as small.
加速的增长减少了可供应给其他动植物的氧气量，特别是受灾区域；大大影响了海洋生态系统的平衡。
This accelerated growth also reduces the amount of oxygen available to other plant and animal species in the affected area; raising fears that it could destabilise fragile Marine ecosystems.
全球气候变化不仅损害了生态系统的自然平衡，同时也威胁着人类的生存。
Global climate change not only harms the natural balance of the ecosystem, but also threatens human survival.
很不幸地，一般民众却不了解鲨鱼是海洋中必需的生物，因为鲨鱼能维持水中生态系统的平衡，不过，牠们现在却面临绝种的命运。
Unfortunately, the general population fails to see that sharks are a vital component of our oceans because they maintain balance in our underwater ecosystem and, now they are facing extinction.
现在真的是我们重视我们生态系统平衡的时候了。让我们从现在开始行动吧！
It 'high time that we should attach great importance to the balance of our ecosystem. Let's take action right now!
在大自然中，就是因为有着各式各样的微生物，发挥着不同的效用，透过生物食物链的机制才能使得我们的生态系统维持平衡。
In nature, there exists many types of microbes and each plays a role in balancing our entire ecosystem through the activity of the biological food web.
水平衡是生态系统生态建设的基本依据。
Water equilibrium is the basis for the ecological construction of ecosystems.
最后，许多珍禽异兽作为宠物饲养，他们一定会被大规模猎杀，这意味着威胁到生态系统的平衡。
Last but not least, as many rare birds and animals are kept as pets, they will surely be hunted on a large scale, which means a threat to the balance of the ecosystem.
碧山公园——坐落在新加坡中心，由德国戴水道设计公司设计而成，呈现的是一个郁郁葱葱，物种丰富，健康平衡的生态系统。
Bishan Park - Displaying a lush and healthy ecosystem within Singapore, Bishan Park, designed by Atelier Dreiseitl is a rich natural ecosystem located right in the heart of Singapore.
在坨甸相间地区生态系统的热量平衡中，占比例大的是潜热通量，其次为感热通量和土壤热通量。
In the heat balance of ecological system in dune alternated with wetland area, the latent heat flux takes the most share, in the next place is sensible heat flux and soil heat flux.
光化学烟雾是大气污染的一种，它不仅危害人们的健康，而且严重威胁着生态系统的平衡。
The photochemical fog is one kind of the atmosphere pollution. It endangers not only people's health but also the balance of the ecosystem.
它侵占水道，干扰水生生态系统平衡，影响当地的经济生产，成为一大公害。
It has become a social problem as it occupies waterway, disturbs aquatic ecosystem equilibrium and impacts local economics.
影响水平衡的主要因子是：集雨的有限性和局限性，与坡地生态系统的构建。
The main factors affecting water equilibrium are limitations of rainfall collection and the construction of ecosystems of sloping land.
在国家紫色土肥力与肥料效益监测基地上，研究了稻麦轮作制度下紫色土稻田生态系统中钾素的平衡状况。
Potassium(K) balance in purple soil rice field ecosystem under rice-wheat rotation were studied on the National Purple Soil Fertility and Fertilizer Efficiency Monitored Base.
试验结果表明，这种人工海水生态系统在正确的调校下能达到稳定和平衡，适合于在实验室饲养供教学和科研的有关动物。
The results show that this ecosystem of artificial sea water, which is applicable to teaching and research sea animals in the laboratory, will be stable and balanced under the correct adjusting.
试验结果表明，这种人工海水生态系统在正确的调校下能达到稳定和平衡，适合于在实验室饲养供教学和科研的有关动物。
The results show that this ecosystem of artificial sea water, which is applicable to teaching and research sea animals in the laboratory, will be stable and balanced under the correct adjusting.
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