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城市绿化树种环境净化功能研究
引用本文:吴敏,陈步峰,彭涛.城市绿化树种环境净化功能研究[J].中国城市林业,2006,4(3):14-16.
作者姓名:吴敏  陈步峰  彭涛
作者单位:1. 中南林业科技大学,生命科学院,长沙,410004
2. 中国林业科学研究院热带林业研究所,广州,510520
3. 国际怡境景现设计有限公司,广州,510080
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摘    要:文章研究了广州城市绿化树种生物同化、吸储、固定C,P,K,SO2,Pb,Cd的环境净化功能,结果表明:研究区域内森林土壤中有机C储量最高达184 t/hm2,最低为24.6t/hm2;TN储量最高达16.7t/hm2,最低为2.0t/hm2;Pb,Cd储量最高分别达837.4kg/hm2、3.9kg/hm2,最低分别为577kg/hm2、1.2kg/hm2;植物叶对SO 2的积累量以高山榕最高,海芒果最低;小叶榕叶吸收固定Pb量最高为22.6g/hm2,尾叶桉叶和白玉兰叶吸收固定C d量最高达0.15g/hm2。  

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The Environmental Function of Urban Greening Trees
WU Min,CHEN Bu-feng,PENG Tao.The Environmental Function of Urban Greening Trees[J].Journal of Chinese Urban Forestry,2006,4(3):14-16.
Authors:WU Min  CHEN Bu-feng  PENG Tao
Institution:1 College of Life Science, Central-South University of Forestry Scince and Techology, Changsha,Hunan,410004; 2Research Institute of Tropical Forestry; CAF; Guangzhou; Guangdong 510520; 3International Yijing Landscape Designing Corparation
Abstract:The paper studied the air purification function of urban forest trees in Guangzhou City in absorbing C、P、K、 SO2、Pb、Cd , etc. The results indicated that: The highest reserve of organic C reaches 184 t/hm2 in the soil of studied urban forest, and the lowest is 24.6t/hm2; The highest TN reserve is 16.7t/hm2, and the lowest is 2.0t/hm2; The highest reserves of Pb, Cd are 837.4kg/hm2, 3.9kg/hm2 and the lowest are 577kg/hm2、 1.2kg/hm2 in the greenbelt ecosystem. The accumulative quantity of SO2 in tree leaves is highest in Ficus altissima, and lowest in sea mango; The maximum quantity of Pb fixed by Ficus concinna is 22.6g/ hm2, and the maximum quantity of Cd fixed by Eucalyptus urophylla and Michelia alba is 0.15 g/ hm2.
Keywords:Urban forest  Ecological benefit  Air purification
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