土壤碳是陆地生态系统碳循环的重要组成部分。
Soil carbon is an important part of terrestrial ecosystem carbon cycle.
随着全球变暖趋势逐渐明显，土壤呼吸对温度的敏感性已成为陆地生态系统碳循环研究的重要内容之一。
With global warming, the response of soil respiration to it has been an important study field in global change issue.
农业植被净初级生产力代表了农田生态系统固定大气co_2的能力，是陆地生态系统碳循环的重要组成部分。
Plant net primary production (NPP) of agriculture vegetation represents the capacity of sequestrating atmospheric CO2 in agro-ecosystem, and plays an important role in terrestrial carbon cycling.
森林生物量估算是进行陆地生态系统碳循环和碳动态分析的基础，业已成为生态学和全球变化研究的重要内容之一。
As a base to analyze the terrestrial carbon cycle and dynamic, forest biomass estimation has been one of important contents of ecology and global change study.
植被含碳率的确定对精确估算陆地生态系统中的植被碳库数量，进而研究区域碳循环有着非常重要的意义。
It is very important for accurate estimation of plant carbon pool in terrestrial ecosystem and further research of regional carbon cycle to determine carbon content of vegetation.
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.
对世界和中国草地生态系统在陆地生态系统碳储存、碳循环及在全球气候变化中的地位和作用进行了分析，阐明了中国草地生态系统碳储量及其分布格局。
The carbon stock, carbon circulation in grassland ecosystem and its role in global climate change were discussed. The distributing pattern of carbon stock in Chinese grassland ecosystem was analyzed.
因而展开陆地生态系统内的碳循环研究意义重大。
Therefore, the research about carbon cycle of terrestrial eco-system is profound.
气候变化对全球陆地生态系统相关过程产生了重要影响，已经成为陆地生态系统中碳循环研究的重要内容。
Climate change is increasingly affecting land surface processes of terrestrial ecosystem, which has become one of research focuses in terrestrial carbon cycle.
气候变化对全球陆地生态系统相关过程产生了重要影响，已经成为陆地生态系统中碳循环研究的重要内容。
Climate change is increasingly affecting land surface processes of terrestrial ecosystem, which has become one of research focuses in terrestrial carbon cycle.
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