健康的生态系统意味着生态系统能正常发挥功能，实现生态系统的最佳服务。
A healthy ecosystem means that it can exert function normally and realize the best services of ecosystem.
我一个朋友说：“我们所有人都想看到一个健康的生态系统，音乐就像公共物品一样。”
"A healthy ecosystem — that's all we want, " my friend says. "Music as a utility."
健康的生态系统是一种动态的平衡，生物适应了这种变化才得以生存，古老的蒙古族也是如此。
A healthy ecosystem is a fluid balance: life must adapt to these changes in order to survive, and the ancient Mongolian people are no exception.
入侵一个地区的物种会危害生态系统、农业和人类健康。
Species that invade a territory can harm ecosystems, agriculture and human health.
罗伯特·沃森说：“我们和其他所有物种赖以生存的生态系统的健康正以从未有过的速度恶化。”
"The health of ecosystems on which we and all other species depend is deteriorating more rapidly than ever," Robert Watson said.
但是他强调说，物种是生态系统的健康指示器，对海地人民也是至关紧要。
But the species serve as health indicators for ecosystems, he stressed, which are also critically important for Haiti's people.
同时，其中许多气体需要加以限制，因为它们对公共健康、农业及包括森林在内的地球生态系统都会带来范围更为广泛的环境影响。
Meanwhile, many of these gases need to be curbed because of their wider environmental impact on public health, agriculture and the planet's ecosystems, including forests.
鸟类消亡时，随之而去的还有健康、食物、金钱和生态系统的服务功能。
When birds are lost, so are health, food, money, and ecosystem services.
这使珊瑚礁对于维持健康的海洋生态系统至关重要，而全球有超过十亿人要依靠海洋提供食物。
This makes them crucial in supporting a healthy marine ecosystem upon which more than 1bn people depend for food.
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.
气候是生态系统功能的组成部分，气候条件作用于陆地和海洋生态系统的结果，可直接和间接地影响人类健康。
Climate is an integral part of ecosystem functioning and human health is impacted directly and indirectly by results of climatic conditions upon terrestrial and Marine ecosystems.
较长期的气候变化可影响生态系统的生存能力和健康，使植物、病原体、动物、甚至人类住区的分布状况发生变化。
Longer term changes in climate affect the viability and health of ecosystems, influencing shifts in the distribution of plants, pathogens, animals, and even human settlements.
高居榜首的是生态系统的崩溃，如滥砍滥伐和珊瑚死亡；第二是健康与疾病，如非典和艾滋病；第三是全球性贫困。
Top of the list was ecosystem collapse, such as deforestation and the demise of corals; second were health and diseases, such as Sars and Aids; and third was global poverty.
《千年生态系统评估综合报告》是评估全球生态系统状况及其对人类健康影响的七份综合摘要报告和四份技术卷册的第一份。
The MA Synthesis Report is the first in a series of seven synthesis and summary reports and four technical volumes that assess the state of global ecosystems and their impact on human well-being.
这正是大自然为什么让一些雄鸟长着充满异国情调的羽毛或让麋鹿拥有大而笨重的鹿角(这也是一个生态系统健康的标志)的原因之一。
This is one of the reasons why some males birds have exotic plumes, why elk carry hefty antlers (a sign of a healthy immune system), and why male fiddler crabs have such large claws.
美国地质调查局称，九种蟒蛇——长度从12英尺至28英尺不等的蛇，对生态系统的健康形成中度至高度风险的威胁。
The U.S. Geological Survey says nine species of pythons, atype of snake that can range from 12 to 28 feet in length, pose amedium- to high-risk threat to ecosystem health.
飓风卡特里娜已经向我们展示出，我们对提供海岸保护的健康性自然海岸生态系统的依赖程度有多高。
Hurricane Katrina showed us how much we depend on healthy natural coastal ecosystems for shoreline protection.
但是他们坚持萤火虫是评估生态系统健康程度的警报器。
But they insist fireflies are a "canary in a coal mine" in terms of understanding the health of an ecosystem.
灾难性的天气事件、影响食物和水供应的多变气候、传染病暴发的新模式以及与生态系统变化相关的新型疾病，都与全球变暖相关连并造成健康风险。
Catastrophic weather events, variable climates that affect food and water supplies, ecosystem changes are all associated with global warming and pose health risks.
为了向我们展示这里水域生态系统的健康程度，船长时而让我们看着从水中腾空而起的两米长的牛鲨，时而让我们注意候盘旋在头顶的栗鸢。
As evidence of the river system's health, our skipper points out a 2m bull shark as it leaps skyward and a brahminy kite wheels overhead.
人类健康最终仍取决于保证人类良好健康和富有生产活力的生计所必要的生态系统产品和服务(如淡水、食物和燃料来源的可及性)。
Human health ultimately depends upon ecosystem products and services (such as availability of fresh water, food and fuel sources) which are requisite for good human health and productive livelihoods.
伦敦动物学会（Zoological Societyof London）蝙蝠专家凯特·琼斯说，“它们也是关键的指标物种，能提供有关生态系统健康状况的信息。
They are also a key indicator species that can provide information on the health of an ecosystem.
它们将有助于减少温室气体排放，保障生态系统和依赖生态系统的所有人的健康和福祉。
They will help to reduce greenhouse gas emissions and safeguard the health and well-being of ecosystems and all people who depend on them.
平流层臭氧损耗由于空气污染一向被认为是威胁人类健康以及地球的生态系统。
Stratospheric ozone depletion due to air pollution has long been recognized as a threat to human health as well as to the Earth's ecosystems.
平流层臭氧损耗由于空气污染一向被认为是威胁人类健康以及地球的生态系统。
Stratospheric ozone depletion due to air pollution has long been recognized as a threat to human health as well as to the Earth's ecosystems.
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