本主题处理森林及森林外树木帮助调节土壤、水文以及水生系统的作用。
The theme addresses the role of forests and trees outside forests to help moderate soil, hydrological and aquatic systems.
对森林、土壤及水利系统等自然资源的有节制的使用及系统的保护。
The controlled use and systematic protection of natural resources, such as forests, soil, and water systems.
城市污泥对退化森林生态系统土壤的人工熟化研究。
Artifical improvement of soil fertility in a regraded forest ecosystem by using municipal sewage sludge.
北方森林因其面积大、土壤碳储量高以及对全球暖化响应敏感而在全球碳平衡和气候系统中起着至关重要的作用。
The boreal forest plays a crucial role in the global carbon budget and climatic system because of its large area, great soil carbon storage, and sensitive responses to the global warming.
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.
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.
不合理的土地利用方式和对森林的不合理砍伐导致脆弱的土壤系统和森林生态系统的严重退化、生产力下降和严重的水土流失。
Irrational land use and forest cutting have resulted in the serious degradation, the decrease of land productivity and the water and soil erosion in the fragile soil system and forest system.
笔者根据东亚酸雨监测网土壤和植被监测技术规范方法，研究了酸沉降对森林生态系统土壤和植被的影响和危害。
The effect and harm of acid deposition on soil and vegetation of forest ecosystem were studied according to guidelines and technical manuals for acid deposition monitoring network in East Asia.
凋落物分解是森林生态系统养分循环中的重要过程，对土壤有机质的形成和养分释放有重要意义。
Forest litters decomposition was an important process of nutrient cycling in forest ecosystems, and played a central role in soil organic matter formation and nutrients release.
森林土壤是大气温室气体重要的源和汇，主要的温室效应气体CO2、CH4及N2O都直接或间接与这个系统有关。
Forest soil is the important source and sink of greenhouse gas in atmosphere. The main greenhouse effect gases, such as CO2, CH4 and N2O, are related to this system directly or indirectly.
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.
旅游活动已对张家界国家森林公园土壤生态系统产生了较大影响。
It was concluded that tourism activities significantly affected the soil ecosystem in the Zhangjiajie National Forest Park.
森林生态系统具有独特的特点和功能，利用其修复放射性污染的土壤具有重要的意义。
Forest ecosystem has special peculiarities and functions which can be used to remediate the radionuclide contaminated soils.
土壤、大气、植物是森林生态系统的重要碳库，植物是大气和土壤交换碳元素的重要介质。
Soil, atmosphere and plant are the important carbon pools in forest ecosystem, among which, plant is the main medium linking the carbon exchange between soil and atmosphere.
本研究分析了子午岭林区农田、草地、灌丛和森林不同生态系统土壤总有机碳、活性有机碳和稳定性有机碳含量。
The study examined the total contents of soil organic carbon and the content of soil active organic carbon and stable organic carbon in farmland, grassland, scrub and forest ecosystems.
土壤有机质为森林生态系统生产力构成的重要部分，是森林生态系统生物循环中的重要环节之一。
Soil organic matter is a very important part of forest ecosystem productivity, and is also a very important tache of biological cycling in forest ecosystem.
介绍了森林生态系统土壤呼吸的研究意义，森林生态系统土壤呼吸的影响因素，人为扰动对森林土壤呼吸影响的研究进展。
The effect factors of forest soil respiration and the research progress of the influence of artificial disturbance on forest soil respiration were discussed.
北京市土壤节肢动物群落组成与同地带森林生态系统土壤节肢动物群落组成基本相同。
The composition of soil arthropod community in Beijing urban ecosystems was similar to that of its woodland ecosystems.
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.
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.
作为衡量土壤CO2释放对温度敏感性的重要指标，计算了我国森林生态系统土壤CO2释放温度敏感性系数-Q10值，约为1.5，该值显著低于全球平均水平，2.0。
The temperature sensitivity of soil CO2 efflux in forest ecosystem in China, Q10 value, was estimated. It was 1.5 and much lower than the global averaged value, 2.0.
森林土壤呼吸是陆地生态系统土壤呼吸的重要组成部分，其动态变化将会对全球碳循环产生深远的影响。
Forest soil respiration is an important part of the soil respiration in terrestrial ecosystems, the dynamic changes of which will bring far-reaching influence on the global carbon cycling.
研究森林土壤N_2O、CO_2产生的空间变异性及影响因子对准确估算森林生态系统对温室效应的影响具有重要意义。
It is important to study the soil spatial variability of N_2O, CO_2 production and the influencing factors for evaluating the role of forest ecosystems on the impact of the greenhouse effect.
研究森林土壤N_2O、CO_2产生的空间变异性及影响因子对准确估算森林生态系统对温室效应的影响具有重要意义。
It is important to study the soil spatial variability of N_2O, CO_2 production and the influencing factors for evaluating the role of forest ecosystems on the impact of the greenhouse effect.
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