年降水量的增加对提高自然植被净第一性生产力具有积极作用。
Increasied annual precipitations have played a positive role to improve Natural vegetation NPP.
除热带林外，人工林的净第一性生产力大于天然林净第一性生产力。
But artificial forests have larger NPP than natural forests except those in tropical zone.
陆地植被的年净第一性生产力是植物每年通过光合作用所固定的碳总量。
Annual net primary productivity (NPP) of terrestrial vegetation is the net amount of carbon fixed by plants through photosynthesis in one year.
草地净第一性生产力(NPP)是全球变化与陆地生态系统研究的核心内容之一。
The grassland net primary production (NPP) is an important research issue in the global climate change and terrestrial ecosystem.
对影响森林植被净第一性生产力的主要因子进行敏感性分析是准确估计NPP的需要。
The sensitivity analysis of primary factors affecting the forest Net primary Productivity (NPP) is important to estimate NPP accurately.
本文探讨了全球变化对塔里木盆地北部盐化草甸净第一性生产力（NPP）和群落演替的影响。
The impact of global change on net primary productivity (NPP) and community succession of salinized meadow in north of Tarim Basin was discussed.
改进后的模型被用于研究中国东部南北样带(NSTEC)植被和净第一性生产力对未来气候变化的响应。
The model was applied to a forest transect in eastern China (NSTEC, North-South transect of eastern China) to investigate the responses of the transect to possible future climatic change.
植被净第一性生产力（NPP）的研究有助于碳循环和碳动态的研究，其敏感性对全球气候系统有着重要的影响。
The study of the net primary productivity (NPP) will contribute to the study of the carbon cycle and the carbon dynamic changes. Its sensitivity has a great influence on the global climate system.
遥感作为当今唯一一种能重复，连续获取全球环境数据信息的高新技术，近年来在植被净第一性生产力研究领域的广泛应用等。
As a high and new technology for obtaining globe environment information continuously, broad applications of remote sensing in NPP for the recent years and so on.
植被的净第一性生产力(NPP)反映了植物每年通过光合作用所固定的碳总量，目前NPP研究是全球变化研究的重要内容之一。
Annual net primary productivity (NPP) of terrestrial vegetation is the net amount of carbon fixed by plant photosynthesis. NPP is an important index in global change ecology.
利用周广胜、张新时提出的自然植被净第一性生产力模型，估算分析了乌鲁木齐地区近30年自然植被净第一性生产力(NPP)的时空变化。
Based on the natural vegetation NPP model Zhou Guangsheng and Zhang Xinshi, the space-time changing trend of natural vegetation NPP in Urumqi area in the last 30 years was estimated.
利用周广胜、张新时提出的自然植被净第一性生产力模型，估算分析了乌鲁木齐地区近30年自然植被净第一性生产力(NPP)的时空变化。
Based on the natural vegetation NPP model Zhou Guangsheng and Zhang Xinshi, the space-time changing trend of natural vegetation NPP in Urumqi area in the last 30 years was estimated.
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