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FANG Xi, TIAN Da-lun, XIANG Wen-hua, CAI Bao-yu. On carbon accumulation , distribution of different densities in slash pine plantation[J]. Journal of Zhejiang A&F University, 2003, 20(4): 374-379.
Citation: FANG Xi, TIAN Da-lun, XIANG Wen-hua, CAI Bao-yu. On carbon accumulation , distribution of different densities in slash pine plantation[J]. Journal of Zhejiang A&F University, 2003, 20(4): 374-379.

On carbon accumulation , distribution of different densities in slash pine plantation

Funds:

国家科技部基础研究重大项目(2102); 国家科技部重点野外科学观测试验站资助项目(2000-076); 国家林业局重点项目(2001-07, 2001-29); 中南林学院青年资金资助项目

  • Received Date: 2003-08-06
  • Rev Recd Date: 2003-09-12
  • Publish Date: 2003-12-20
通讯作者: 陈斌, bchen63@163.com
  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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On carbon accumulation , distribution of different densities in slash pine plantation

Funds:

国家科技部基础研究重大项目(2102); 国家科技部重点野外科学观测试验站资助项目(2000-076); 国家林业局重点项目(2001-07, 2001-29); 中南林学院青年资金资助项目

Abstract: Carbon accumulation and distribution were studied in 16-year-old experimental slash pine plantations with four kinds of different densities at Lufeng Forest Farm in Guangxi Autonomous Region .The results indicated that the spatial distribution sequence of carbon storage ranked as soil layer vegetation stratum litter floor , the total carbon storage ranged from 264.834 thm-2 to 323.978 thm-2 , with an average value of 291.663 thm-2 , and increased along with enlarging of density in 4 kinds of different densities of slash pine plantation ecosystem. Carbon storage of vegetation stratum ranged from 96.641 thm-2 to 110.717 thm-2 , amounted for 35.40 %of the total carbon storage .Carbon storage of different components all was in the order as trunk root branch leaf , and the carbon storage ratio of the over ground and the under ground ranged from 7.185 to 7.922 and descended along with enlarging of density in the vegetation stratum .Carbon storage of litter floor increased from 5.746 thm-2 to 9.181 thm-2 along with enlarging of stand densities , occupied 2.17 % to 2.83 % of the total carbon storage . Carbon storage of forest land soil (0 ~ 60 cm)averaged 180.94 thm-2 , occupied more than 60.32 % of the total carbon storage .Annual net fixing carbon amounts of density Ⅰ , Ⅱ , Ⅲ , Ⅳ were 9.729 , 9.882 , 11.239 and 11.946 thm-2 , respectively , with an average value of 10.699 thm-2 .These results could provide some basic data for the carbon budget estimation of a forest ecosystem and dynamic simulation .[ Ch , 7 tab .16 ref .]

FANG Xi, TIAN Da-lun, XIANG Wen-hua, CAI Bao-yu. On carbon accumulation , distribution of different densities in slash pine plantation[J]. Journal of Zhejiang A&F University, 2003, 20(4): 374-379.
Citation: FANG Xi, TIAN Da-lun, XIANG Wen-hua, CAI Bao-yu. On carbon accumulation , distribution of different densities in slash pine plantation[J]. Journal of Zhejiang A&F University, 2003, 20(4): 374-379.

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