最后，会议为欧洲森林生态系统研究网建立了框架。
Finally, the conference established the framework for a European research network on forest ecosystems.
外来害虫可以对森林生态系统产生短期和长期的影响。
Exotic insect pests can produce both short-and long-term effects on forest ecosystems.
讨论的主题包括对森林破坏的协同研究，如何扑灭森林火灾，以及关于森林生态系统的欧洲研究项目的扩展。
The topics discussed included the co-ordinated study of the destruction of forests, as well as how to combat forest fires and the extension of European research programs on the forest ecosystem.
林下植被是森林生态系统的重要组成部分。
Understory vegetation is one of the main components of forest ecosystem.
第一是气候变化，人们预计这会重塑森林生态系统的版图。
The first is climate change, which is expected to redraw the map of forest ecosystems.
森林生态系统为人类提供了众多的商品和服务。
Forest ecosystem provides a lot of goods and services for human.
森林生态系统退化的要害因素是林业开发强度。
The crucial factor that silvan ecosystem degrades is forestry development intensity.
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.
温带森林生态系统在所有生态系统中占有优势地位。
Temperate forest ecosystems occupy a position of prominence among all ecosystems.
简述了退化森林生态系统恢复和重建的一般操作程序；
The common work procedure of rehabilitating degraded forest ecosystems was briefly introduced.
城市林业是研究城市森林生态系统的一门综合性学科。
Urban forestry is a comprehensive discipline, focusing on urban forest ecosystem.
凋落物分解是森林生态系统中物质和能量交换的重要生态学过程。
Plant litter decomposition is one of the most important processes in nutrients cycling of forest ecosystem.
通过恢复和创造湿地，草原和森林生态系统来解读该地区的水文结构。
Interpretation of the area's hydrology is articulated through the rehabilitation and creation of wetland, prairie, and forest ecosystems.
该所的主要研究领域包括喀尔巴阡山脉西部森林生态系统的广泛范围。
Its principal area of research covers the broad spectrum of forest ecosystems in the western Carpathians.
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.
准确估测森林叶片叶绿素浓度有助于进一步理解和模拟森林生态系统。
The accurate estimation of foliar chlorophyll concentration contributes to our need for further understanding of forest ecosystem.
而目前研究最多的是陆地生态系统中面积最大最重要的森林生态系统。
While at present, the forest ecosystem, which is the biggest and the most important ecosystem in the land ecosystem, is being studied mostly.
世界森林生态系统包括热带、亚热带、温带森林，北方针叶林以及其他有林地。
World forest Ecosystem includes tropical, subtropical, temperate, and boreal forests as well as other woodland.
森林生产力是森林生态系统中作为第一性生产者植物群落结构与功能的综合体现。
As the primary producer of forest ecosystems the forest productivity reflects the structure and function of plant community synthetically.
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.
火是森林生态系统中重要的干扰因子，它对森林植被的演替与恢复均有重要的影响。
Forest fire is one of the most important disturbance factors in forest ecosystem, and it has great impact on succession and recovery of forest ecosystem.
森林资源可持续性是森林生态系统满足人类需求的支撑能力和维持能力的综合体现。
The sustainability of forest resources reflects the sustained and maintainable capacity of forest ecosystem meeting the demand of mankind.
标准界定了评估可持续性的基本要素，同时适当考虑森林及森林生态系统的生产、保护及社会职能。
Criteria define the essential elements against which sustainability is assessed, with due consideration paid to the productive, protective and social roles of forests and forest ecosystems.
碧塔海自然保护区湿地具有两个显著的特征，即分布海拔高并为森林生态系统所涵养。
The wetlands in the Bitahai Natuer Reserve has two distinctive features: high altitude distribution and that the wetlands are surrounded by large area of coniferous forests.
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.
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.
森林生态系统中，初级生产者和分解者之间的养分关系，是一种既互利又竞争的复杂关系。
The nutrients relationship between the primary producers and decomposers in forest-ecosystem is a mutua-competitive and complex relationship.
采用水源调节“替代工程的影子价格”原理，计算了该地区森林生态系统的水源涵养经济价值。
The principle of "Alternating Engineering and Shade price" is applied to estimate the economic value of water conservation caused by forest ecological system.
本文着重论述了加强森林抚育低效林改造是恢复森林生态系统的有效途径及其可行性和必要性。
This paper states that forest tending and low yield forest rebuilding is the effective approach of resuming forest ecology system.
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.
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