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《Science of Soil and Water Conservation》 2010-02
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Carbon storage and density features of natural forest of Pinus tabulaeformis fshekannesis in Loess Plateau

Yang Xiaomei1,Cheng Jimin1,Meng Lei2(1.Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Soil Resources; 2.College of Animal Sciences,Northwest A & F University: 712100,Yangling,Shaanxi,China)  
Based on investigation and laboratory analysis,carbon storage and distribution characteristics have been studied on natural secondary forest of Pinus tabulaeformis fshekannesis in Ziwuling area of Loess Plateau.The results showed that: 1) the rate range of carbon content was 0.413 7-0.517 4 g/g and 0.187 2-0.500 3 g/g in vegetation layer(trees,shrubs and grasses) and litter layer respectively.Furthermore,great significance of carbon content had appeared at different organs and layer.Carbon content in soil layer reduced dramatically with the depth.2) In spatial scale,total carbon density was 236.04 t/hm2.The discending order of that in different layers was soil layer,vegetation layers,litter layer,and was 107.55 t/hm2,95.20 t/hm2 and 33.29 t/hm2 respectively.Furthermore,the total carbon storage capacity was 15.97 Mt.The soil carbon storage was 7.27 Mt,largest in this three carbon compartment.It takes up to 45.52% of whole forest,and 1.14 and 3.22 times,respectively for vegetation and litter layer carbon storages.
【Fund】: 中国科学院重要方向项目“半干旱黄土区植被自然恢复过程及适度利用研究”(KZCX2-YW-441);; 国家重点基础研究发展计划973项目“典型脆弱生态系统重建技术与示范”(2007CB106803);; 国家自然科学基金重点项目“干旱缺水地区土地覆盖变化对区域耗水变化”(40730631)
【CateGory Index】: S718.5
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