这个独特的生态系统可能很快就会面临压力。
那些遭遇不只一种压力的生态系统，例如一片先是被砍伐再被用作农耕的林地，需要最长的时间来复原。
Ecosystems exposed to more than one pressure, such as a forest that is first felled and then used for agriculture, took the longest to recover.
其他对于大堡礁及其生态系统的环境压力来自径流的水质问题，伴随着大规模珊瑚白化的气候变化以及棘冠海星的周期性爆发现象。
Other environmental pressures to the reef and its ecosystem include water quality from runoff, climate change accompanied by mass coral bleaching, and cyclic outbreaks of the crown-of-thorns starfish.
气候变化将带来食品生产，可用水，生态系统以及人类健康，迁移压力，地区不稳定性方面的重大后果。
Climate change will have major consequences for food production, water availability, ecosystems and human health, migration pressures, and regional instability.
这个图片表示当地生态系统的压力，但并不是人均利用压力。
The map shows the pressure on local ecosystems, but not per capita use.
到2025年，世界人口可能会有四方之三生活在距海洋100公里之内的地方，对海洋生态系统带来巨大的压力。
By 2025, it is likely that three quarters of the world's population will live within 100 kilometers of the sea, placing huge strains on coastal ecosystems.
开始全盘、而不是零零碎碎地设计城市生态系统，或许能够使自然生态系统的压力有所缓解。
Beginning to design urban ecosystems holistically rather than piecemeal might alleviate some of the pressure on natural ecosystems.
我们呼吸的空气，饮用的水，生长食物的土壤，是全球脆弱生态系统的一部分，这一系统所承受的人类活动的压力日益加大。
The air we breathe, the water we drink and the soil that grows our food are part of a delicate global ecosystem that is increasingly under pressure from human activities.
并从指示物种，结构-功能-组成，压力-响应等方面介绍了生态系统完整性评价指标；
The indicators of ecosystem integrity can be grouped into indicator species, structure-function-composition indicators, and stress-response indicators.
我国由于人口压力大，覆盖很少植被的沙漠生态系统仍然被用于放牧或其他目的。
The desert ecosystems with rare plant cover are still used for grazing and other purposes in China because of the population pressure.
未来气候变化将会对已不堪重负的生态系统产生更大的压力。
In the future, climate change will place even more pressure on overworked ecosystems.
未来气候变化将会对已不堪重负的生态系统产生更大的压力。
In the future, climate change will place even more pressure on overworked ecosystems.
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