Increasied annual precipitations have played a positive role to improve Natural vegetation NPP.
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。
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。
Annual net primary productivity (NPP) of terrestrial vegetation is the net amount of carbon fixed by plants through photosynthesis in one year.
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。
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.
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。
In study for vegetation distribution and regionalization, NPP index can be introduced as an effective tool by which somerelevant regulations may be elucidated simply and directly.
在研究植被分布和分区时引入NPP指标可以更简捷地阐明有关规律。
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.
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。
The estimated NPP for different vegetation types at 19 sites are validated with the observed.
并用全球不同地区各种植被类型的19个NPP观测样点数据校准模型。
The results indicate that the functional combination of net radiation and radiative dryness index may not only determine NPP, but also elucidate basically the ordinal range of vegetation types.
结果表明，净辐射和辎射干燥指数的函数组合既是确定植被npp的主导因子，又能在很大程度上说明植被地带性结构的有序排列。
Aims Vegetation net primary productivity (NPP) and its responses to global change have been focuses of global change research.
植被净初级生产力及其对气候变化的响应研究是全球变化的核心内容之一。
Aims Vegetation net primary productivity (NPP) and its responses to global change have been focuses of global change research.
植被净初级生产力及其对气候变化的响应研究是全球变化的核心内容之一。
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