Comparing Simulated Carbon Budget of a Lei Bamboo Forest with Flux Tower Data

被引:9
|
作者
Lu, Xuehe [1 ]
Jiang, Hong [1 ,2 ,3 ]
Liu, Jinxun
Sun, Cheng [2 ,3 ]
Wang, Ying [1 ]
Jin, Jiaxin [1 ]
机构
[1] Nanjing Univ, Int Inst Earth Syst Sci, Nanjing 210008, Jiangsu, Peoples R China
[2] Zhejiang Agr & Forestry Univ, State Key Lab Subtrop Forest Sci, Hangzhou, Zhejiang, Peoples R China
[3] Zhejiang Agr & Forestry Univ, Zhejiang Prov Key Lab Carbon Cycling Forest Ecosy, Hangzhou, Zhejiang, Peoples R China
来源
关键词
Lei bamboo forest; Carbon budget; Flux tower; Ecological model; CLIMATE-CHANGE; ECOSYSTEM; MODEL; BALANCE; BIOMASS; CHINA; CO2; SENSITIVITY; PERFORMANCE; CYCLE;
D O I
10.3319/TAO.2014.01.13.01(TT)
中图分类号
P [天文学、地球科学];
学科分类号
07 ;
摘要
Bamboo forest ecosystem is the part of the forest ecosystem. The distribution area of bamboo forest is limited, but in somewhere, like south China, it has been cultivate for a long time with human management. As the climate change has been take great effect on forest carbon budget, many researchers pay attention to the carbon budget in bamboo forest. Moreover cultivative management had a significant impact on the bamboo forest carbon budget. In this study, we modified a terrestrial ecosystem model named Integrated Biosphere Simulator (IBIS) according the management of Lei bamboo forest. Some management, like fertilization, shoots harvesting and organic mulching in winter, had been incorporated into model. Then we had compared model results with the observation data from a Lei bamboo flux tower. The simulated and observed results had achieved good consistency. Our simulated Lei bamboo forest yearly net ecosystem productivity (NEP) was 0.41 kgC a(-1) of carbon, which is very close to the observation data 0 45 kgC a(-1) of carbon. And the monthly simulated results can take the change of carbon budget in each month, similar to the data we got from flux tower. It reflects that the modified IBIS model can characterize the growth of bamboo forest and perform the simulation well. And then two groups of simulations were set to evaluate effects of cultivative managements on Lei bamboo forests carbon budget. And results showed that both fertilization and organic mulching had taken positive effects on Lei bamboo forests carbon sequestration.(
引用
收藏
页码:359 / 368
页数:10
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