他也写文章，希望更多的人加入保护自然生态系统的行列。
He also writes articles, hoping that more people will join in protecting natural ecosystems.
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。
A number of scientists question the assumption that the presence of alien species can never be acceptable in a natural ecosystem.
当然，就像今天的其他环境问题一样，这是在全球变暖和人类干涉自然生态系统的背景下发生的。
Of course, like every other environmental issue today, this is playing out against the background of global warming and human interference with natural ecosystems.
这场争论的核心是如何管理世界上留存的自然生态系统，以及如何和在多大程度上恢复其他栖息地。
At its core, the debate is about how to manage the world's remaining natural ecosystems and about how, and how much, to restore other habitats.
然而，在不对全世界的自然生态系统的剩余区域产生不利影响的情况下，进一步增加农业面积似乎是不可能的。
However, a further increase in farming area without impacting unfavourably on what remains of the world's natural ecosystems appears unlikely.
洛根将面向更多的自然生态系统。
人们对于从自然生态系统中获取新产品有相当大的兴趣。
There is considerable interest in obtaining new products from natural ecosystems.
所以我们正努力设法恢复这里的自然生态系统。
目前，气候变化的影响主要反应在自然生态系统上。
At the moment, the impact of all this change can be seen mostly on natural systems.
人类对自然生态系统负有直接的、终极的道德责任和义务。
Mankind has a direct, ultimate moral responsibility and duties to the ecosystem.
对比研究了城市系统与自然生态系统物质代谢的主要差别。
Major differences in metabolism between urban system and natural system are compared and studied.
这一点是通过考虑地方需求、土地能力和自然生态系统的功能来实现的。
This is done by looking at local needs, land capacity and the functioning of natural ecosystems.
阿根廷蚂蚁对加州海岸的接管通过当地自然生态系统的小变化被表现出来。
The Argentine ant's takeover of coastal California is marked by small shifts in the local, native ecosystem.
据研究者声称，许多自然生态系统都受到了全球气候变暖的影响。
Many physical and ecological systems are being affected by the world's warming climate, researchers say.
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.
SEEA分为生态系统服务，这是自然生态系统提供可衡量的好处。
SEEA is divided into ecosystem services, which are the measurable benefits provided by natural ecosystems.
野生动物是自然生态系统的重要组成部分，是全人类共有的宝贵财富。
Wild animals are the important components of the natural ecosystem, theprecious wealth which universe altogether has.
地球生态系统大体包括自然生态系统、社会生态系统、精神生态系统；
It mainly includes natural ecological system, social ecological system and spirit-ecological system.
循环经济倡导按照自然生态系统物质循环和能量流动规律来重构经济系统。
Circular economy demands restructuring economic system by the rule of material recycle and energy flow in natural ecological system.
汽车营销系统的形态特征、运动过程及系统维护与稳定类似于自然生态系统。
Automotive marketing system of morphological features, sports process and system maintenance and stability similar to natural ecosystems.
介绍了以保护自然生态系统中水生生物为主要目标的美国水质基准技术指南。
According to the guidelines, numerical water quality criteria were derived on the basis of screening and analysis of toxicity test data of individual animal and plant species.
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.
外来入侵生物已对世界各国的自然生态系统、农业生产及公众健康造成了严重危害。
Invasive alien species caused significant damage to natural ecosystem, agricultural production and human health throughout the world.
充分考虑本区域自然生态系统的承载能力，节约自然资源，提高自然资源的利用效率。
Give full consideration to the region's natural ecosystems carrying capacity, conservation of natural resources, improve the efficiency of the use of natural resources.
18世纪以来的近代社会，随着城市的膨胀，出现了人类行为对自然生态系统造成破坏的现象。
The phenomenon of human damage to natural ecological system appears with the increasing urbanization in the modern society since 18th century.
白蚁是自然生态系统中的一个重要物种，白蚁活动与其环境土壤之间具有多种多样的相互作用。
Termite is an important species in the natural ecosystem Its activities interact with soil environment in many ways.
报告发现，美国的平均气温升高了4到11度，世界正在变暖。这将明显地改变自然生态系统和城市生活。
It found that a warmer world, with average U.S. temperatures increasing four to 11 degrees, would significantly alter natural ecosystems and urban life.
报告发现，美国的平均气温升高了4到11度，世界正在变暖。这将明显地改变自然生态系统和城市生活。
It found that a warmer world, with average U.S. temperatures increasing four to 11 degrees, would significantly alter natural ecosystems and urban life.
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