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原文連結
論文資訊
- 類型：已發表論文
- 日期：2014-07-18
摘要
Variation in terrestrial net primary production (NPP) with 氣候 is thought to originate from a direct influence of temperature and precipitation on plant 代謝. However, variation in NPP may also result from an indirect influence of 氣候 by means of plant age, stand biomass, growing season length and local 適應. To identify the relative importance of direct and indirect 氣候 effects, we extend metabolic 縮放律 theory to link hypothesized 氣候 influences with NPP, and assess hypothesized relationships using a global compilation of ecosystem woody plant biomass and production data. Notably, age and biomass explained most of the variation in production whereas temperature and precipitation explained almost none, suggesting that 氣候 indirectly (not directly) influences production. Furthermore, our theory shows
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