警告信的签署者中有鲍勃·约翰逊，他是“生态足迹”概念的发起人，此概念衡量的是维持一个特定生活方式所需的环境投入总量。
Among the signatories of the warning was Bob Johnson, the originator of the "ecological footprint" concept, which measures the total amount of environmental input needed to maintain a given lifestyle.
总而言之，我们需要限制自然资源的过度使用，保护我们的生存环境，以便维持生态环境的平衡。
In conclusion, we should limit the overuse of the natural resources and protect our living environment in order to maintain the balance of environment.
总而言之，我们需要限制自然资源的过度使用，保护我们的生存鍏环境，以便维持生态环境的平衡。
In conclusion, we should limit the overuse of the natural resources and protect our living environment in order to maintain the balance of environment.
它们在绿化、美化环境，维持城市生态平衡等方面可起到重要作用，是具有广阔开发前景的园林绿化植物。
They played an important role in greening, beautifying the environment and maintaining urban ecology balance, so they were a kind of landscaping plants that had wide development prospect.
森林在维持自然生态平衡、改善生态环境、防治污染等方面具有极其重要的功能。
Forest is playing a vital role in maintaining natural ecological balance, improving ecological environment, preventing and remedying pollution etc.
这项活动是由马里布环境教育基金会所赞助，目的在于传达避免污染海洋、为鲸鱼维持良好生态环境的信息。
The event was sponsored by the Malibu Foundation For Environmental Education to send a message to keep the ocean clean for the whales.
昆虫分解垃圾废料和衰败的植物来维持地球生态环境的运作。
Insects keep our environment working by recycling garbage and dead plants.
湿地具有强大的环境功能和生态效益，在维持地球表面生态平衡中起着极为重要的作用。
Marked by powerful environmental function and ecological benefits, wetlands play an extraordinary role in keeping the ecological balance on the surface of the earth.
必须合理预留生态环境需水，以实现水资源的科学配置和有效管理，维持生态平衡。
The environmental water demand is considered for scientific disposition and management and ecologic equilibrium.
土壤是植物群落演替过程中重要的环境因子，是生态系统功能恢复与维持的关键指标。
Soil, which is the vital important environment factor during plant succession, is the key index of function recovery and maintain of the eco-system.
生态系统服务功能的内涵，是指生态系统过程所形成与维持的人类赖以生存的自然环境条件与效用。
The intension of ecosystem services is the effectiveness and the natural ambient conditions of human survivable necessary formed and maintained during the course of the development of ecosystem.
同时，它们对维持整个生态环境中养分资源稳定和平衡、增加农产品数量、提高品质、减少农业环境污染、改进人类各种营养状况有非常重要的意义。
At the same time, they are important for keeping balance of nutrition resources in ecosystem, increasing yield, improving quality of farm prodution, reducing pollution and improving human nutrition.
山区生态系统所能提供的帮助经常能够很好的扩展到他们的地理环境之上包括水资源的平衡，气候的规则化并维持山区不同动植物物种的数量。
The services that mountain ecosystems provide often extend well beyond their geographic areas and include water balance, climate regulation, and maintenance of different species of plants and animals.
三峡库区的森林水文作用，对于长江三峡水利枢纽工程的安全运行和效益发挥具有重要意义，对于改善和维持三峡库区的生态环境具有重要作用。
It is significant that the forestry hydrology function of reservoir area of Three Gorges gives play to the safe operation and benefit of the water control project in Three Gorges of Yangtze River.
可有效解决高寒牧区冬春牧场利用过度和冷季草畜供求矛盾的问题，将对维持正常的草原畜牧业生产及保护草原生态环境发挥积极的作用。
The mixed cropping was able to solve the question that the excess utilization of the winter-spring pasture and the imbalance of forage grass with the livestock.
可有效解决高寒牧区冬春牧场利用过度和冷季草畜供求矛盾的问题，将对维持正常的草原畜牧业生产及保护草原生态环境发挥积极的作用。
The mixed cropping was able to solve the question that the excess utilization of the winter-spring pasture and the imbalance of forage grass with the livestock.
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