Establishing and validating individual-based carbon budget model FORCCHN of forest ecosystems in China |
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| Authors: | Yan Xiaodong and Zhao Junfang |
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| Institution: | 1. International Institute of Earth System Science, Nanjing University, Nanjing 210023, China;2. Jiangsu Provincial Key Laboratory of Geographic Information Science and Technology, Key Laboratory for Land Satellite Remote Sensing Applications of Ministry of Natural Resources, School of Geography and Ocean Science, Nanjing University, Nanjing, Jiangsu 210023, China;3. Jiangsu Center for Collaborative Innovation in Geographic Information Resource Development and Application, Nanjing, Jiangsu 210023, China;4. Department of Geography, University of Toronto, Ontario, 100 St. George St., Room 5047, Toronto, Ontario M5S 3G3, Canada;5. Earth Systems Research Center, Institute for the Study of Earth, Oceans, and Space, University of New Hampshire, Durham, NH 03824, USA |
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| Abstract: | According to the principles of plant physiology, forest ecology and soil environment, the individual-based carbon budget model of forest ecosystems in China was established. The model process included two timesteps: the primary daily process comprises photosynthesis, plant respiration, allocation and litter production, and soil respiration and transfer; the primary annual process consists of allocation between stands, increase of tree height and breast diameter, and production of large amount of litter fall. Through validating net primary productiviry (NPP) and net ecosystem productivity (NEP) at the plot level and at the country level, it was demonsteated that the model can well simulate carbon budget of forest ecosystems in China, so it can also simulate dynamics of carbon budget of forest ecosystems in the past and in the future. |
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| Keywords: | individual forest ecosystems carbon budget model validation |
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