在森林生态系统中，森林动物存在是非常重要的。
The Presence of animal life in a forest is often of great importance in system of forest.
森林土壤氮素转化与循环在森林生态系统功能中占有极其重要的意义。
Nitrogen transformation and cycling in forest soils are of signification importance to the function of forest ecosystems.
氮是陆地生态系统中三大营养元素之一，在森林生态系统中被视作主要的限制生长因子。
Nitrogen is one of the three essential nutrients in the terrestrial ecosystem and is regarded as a main limited factor in the forest ecosystem.
在森林生态系统中，火是一种相当普遍的自然现象，森林火灾和森林水文二者有着密切的关系。
Fire is an common natural phenomenon in forest ecological systems. There is an close relation between forest fire and forest hydrology.
在森林生态系统中，火是一种相当普遍的自然现象，森林火灾和森林水文二者有着密切的关系。
Fire is a common natural phenomenon in forest ecological systems. There is a close relation between forest fire and forest hydrology.
这本书提供一篇回顾，以专家世界森林科学家写，在森林生态系统上知道有关举起CO2和其他温室气体的影响的情况什么。
This book provides a review, written by expert world forest scientists, of what is known about the impact of elevated CO2 and other greenhouse gases, on forest ecosystems.
森林土壤动物是森林生态系统的组成部分之一，是森林生态系统中重要的消费者和分解者，在森林生态系统中具有不可替代的重要作用。
The forest soil animal which is one segment of the forest ecosystem system, as well as the important consumer and disintegrators, have important meaning that can't be replaced.
巴克尔认为，这少量存在的物种说明了这片远古森林是在“灭绝边缘存活下来的生态系统”。
The small number of species also suggests the ancient forest was "an ecosystem right on the edge of being able to survive, " according to Barker.
在大峡谷顶部有森林，而在下面又有沙漠，这里有好几种生态系统。
There are forests on the top level and desert areas down below. They provide support for several different ecosystems.
大部分是闪电击中耐火性树林造成的，这种树，比如松树，可以抵抗最恶劣的火灾。这类火灾基本上对生态系统是有益的，森林也可以在火灾后很快的恢复。
Most are sparked by lightning in areas forested with fire-tolerant trees, which can withstand the worst of a fire, such as pine .
因大气污染而不断增加的大气氮沉降量，在许多地区超过了森林生态系统的氮需求。
The increased deposition of atmospheric nitrogen due to the air pollution has exceeded the demands of forest ecosystems in many areas.
在南亚热带森林生态系统中。在植物的某些生长季节，微生物的根际效应与土壤养分的根际效应一致。
So the consistency of rhizosphere effects between soil nutrients and soil microbes could be found during some growth periods of forest vegetation in south subtropical region.
在分析森林生态系统所发挥的功能与效益的基础上，提出了森林病虫害灾害经济损失评估的指标体系。
According to the main functions and benefits of forestry ecological system, the index system of the economic losses of forest pest disaster evaluation was determined.
森林作为陆地生态系统的主体，在全球生态系统中发挥着举足轻重的作用，其服务功能价值的评价是当前研究的一个热点。
As the main body of the land ecosystem, the forest ecosystem is playing the pivotal role in the whole ecosystem, its service function value appraisal research is a current hot spot.
森林作为陆地生态系统的主体，在全球生态系统中发挥着举足轻重的作用。
As the main body of land ecosystem, forest plays an important role in the global ecosystem.
并探讨了森林枯枝落叶层在森林土壤生态系统中对水源涵养、养分供应、促进生物活动强度和土壤发育等方面的功能。
Finally, the function of forest floor on wate conservation, nutrient supply, promoting biological respiratory intensity and soil development are discussed.
森林作为生态系统的生产者，在水源涵养方面起着重要的作用。
As a producer in ecosystem, forest plays an important role in water conservation.
植物病原菌作为森林生态系统的重要组成成分及调控因子之一，在森林动态中扮演着重要的角色。
As a component and regulator in forest ecosystem, plant pathogens play an important role in forest dynamics.
湿地在地球上分布极为广泛，是水陆相互作用形成的独特生态系统，与森林、海洋并列为全球三大生态系统。
Wetland is extremely widely distributed on the Earth, is a unique ecosystem formed by interaction both land and water, is one of three major ecosystems including the forest and the ocean on the world.
可见，森林在岩溶生态系统中的作用是十分重要的，是影响岩溶生态系统的关键因子。
From this, we can see that forest plays an important role in the karst eco-system and it is a crucial factor.
1999年3月，中部非洲国家在雅温得召开第一届保护该地区森林生态系统首脑会议，通过了《雅温得宣言》。
In March 1999, the Central African country held its first session in Yaounde to protect forest ecosystems in the region Summit adopted the "Yaounde Declaration."
森林是陆地生态系统的主体，在改善生态环境、维护生态平衡中具有不可替代的作用。
Forest, the principal part of land ecosystem, plays a very important role in improving environment and maintaining the balance of it.
森林生态系统在全球碳循环与平衡中具有极为重要的和不可替代的地位和作用，随着《京都议定书》正式生效，森林碳汇问题已经越来越受到世界各国的重视。
Forest ecology system is important in the global carbon cycle and balance. Every countries attach great importance on forest carbon sink with the formal effective of Kyoto protocol.
土壤动物是森林生态系统的重要组成成分，在系统养分循环、能量流动中具有不可替代的重要地位。
As an important integrant of forest ecological system, soil animals are indispensable to its nutrient cycling and energy flowing.
土壤动物是森林生态系统的重要组成成分，在系统养分循环、能量流动中具有不可替代的重要地位。
As an important integrant of forest ecological system, soil animals are indispensable to its nutrient cycling and energy flowing.
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