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Research on the Carbon Flux of North Subtropical Secondary Oak Forest and Its Impact Factors

机译：北亚热带次生栎林碳通量及其影响因素研究

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The research is to analyze the CO2, H2O, temperature, moisture, PAR, etc. of a secondary oak forest ecosystem by eddy covariance. The chosen site is located at the urban forest Eco-positioning station of Yangtze River Delta, eastern of China. This study lasted a period of one year and the obtained data of diurnal Net Ecosystem Exchange (NEE) of forest ecosystem shows: The ecosystem began to capture CO2 from 7: 00 am, and retained maximum absorption from 10:00 am to 14:00, and the capturing ceased about 17:30 and started to release CO2. Meanwhile, this article also analyzed the relations between NEE of forest ecosystem and environmental factors. It is concluded that (1) When the PAR>5μmol·m-2·s-1, the relationship of NEE and PAR was different in terms of different season; (2) Monthly average NEE linearly related to monthly average temperature in canopy.

机译：该研究旨在通过涡度协方差分析次生橡树林生态系统的CO2，H2O，温度，湿度，PAR等。选择的地点位于中国东部长江三角洲的城市森林生态定位站。这项研究历时一年，获得的森林生态系统日净生态系统交换（NEE）数据显示：生态系统从上午7：00开始捕获二氧化碳，并在上午10:00至14:00保留最大吸收量。，捕集停止于17:30左右并开始释放二氧化碳。同时，本文还分析了森林生态系统净能值与环境因子之间的关系。结论：（1）当PAR>5μmol·m-2·s-1时，NEE与PAR的关系因季节不同而不同；（2）月平均NEE与冠层月平均温度成线性关系。

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来源
《Climate Change and Ecosystem Response.》|2010年|p.1-5|共5页
会议地点 Chifeng City(CN)
作者
Hai-bo Hu; Yan Jiang; Zhi-ping Zhang; Jian-hui Xue;
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作者单位

College of Forest Resources and Environment,Nanjing Forestry University,Nanjing,210037;

College of Forest Resources and Environment,Nanjing Forestry University,Nanjing,210037;

College of Forest Resources and Environment,Nanjing Forestry University,Nanjing,210037;

College of Forest Resources and Environment,Nanjing Forestry University,Nanjing,210037;

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会议组织
原文格式 PDF
正文语种 eng
中图分类气候变化、历史气候;气候变化、历史气候;
关键词
Secondary Oak Forests; Diurna;

机译：次生橡树林;迪尔纳;

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Research on the Carbon Flux of North Subtropical Secondary Oak Forest and Its Impact Factors

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