不同密度湿地松人工林中碳的积累与分配

方晰; 田大伦; 项文化; 蔡宝玉

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不同密度湿地松人工林中碳的积累与分配

方晰 , 田大伦 , 项文化 , 蔡宝玉

文章导航 > 浙江农林大学学报 > 2003 > 20(4): 374-379

方晰, 田大伦, 项文化, 蔡宝玉. 不同密度湿地松人工林中碳的积累与分配[J]. 浙江农林大学学报, 2003, 20(4): 374-379.

引用本文:

方晰, 田大伦, 项文化, 蔡宝玉. 不同密度湿地松人工林中碳的积累与分配[J]. 浙江农林大学学报, 2003, 20(4): 374-379.

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.

不同密度湿地松人工林中碳的积累与分配

1.
中南林学院生态研究室, 湖南株洲 412006

基金项目:

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

详细信息

作者简介: 方晰(1968-), 女, 广西邕宁人, 副教授, 从事森林生态学研究。E-mail: zhangshiji@hotmail.com

通信作者: 方晰(1968-), 女, 广西邕宁人, 副教授, 从事森林生态学研究。

中图分类号: S718.55⁺4.2

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

1.
Research Section of Ecology , Central South Forestry University , Zhuzhou 412006, Hunan, China

Funds:

摘要: 探讨了广西禄峰山林场16 年生4 种密度湿地松Pinus elliottii 人工林生态系统的碳积累、分配及与林分密度的关系。结果表明:4 种密度湿地松人工林生态系统碳库的空间分布序列均为土壤层植被层死地被物层, 碳库总量范围为264.834 ～ 323.978 thm-2 , 平均为291.663 thm-2 , 随着林分密度的增大而增加。植被层的碳贮量范围为96.614 ～ 110.717 thm-2 , 占碳库总量的35.40 %, 各组分碳贮量排列均为树干树根树枝树叶, 碳贮量的地上/地下之比为7.185 ～ 7.922 , 随着密度的增大而下降。随着林分密度的增加, 死地被物层的碳贮量由5.746 thm-2增加至9.181 thm-2 , 占2.17 %～ 2.83 %。土壤层(0 ～ 60 cm)的碳贮量平均为180.94 thm-2 , 占60.32 %以上。密度组Ⅰ , 密度组Ⅱ , 密度组Ⅲ和密度组Ⅳ的年净固定碳量依次分别为9.729 thm-2 , 9.882 thm-2 , 11.239 thm-2和11.946 thm-2 ,平均为10.699 thm-2 。表7 参16
- 湿地松人工林 /
- 碳贮量 /
- 碳分配 /
- 林分密度 /
- 广西
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 .]
- slash pine (Pinus elliottii)plantation /
- carbon storage /
- carbon distribution /
- stand density /
- Guangxi

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不同密度湿地松人工林中碳的积累与分配

1. 中南林学院生态研究室, 湖南株洲 412006

基金项目:

作者简介:
方晰(1968-), 女, 广西邕宁人, 副教授, 从事森林生态学研究。E-mail: zhangshiji@hotmail.com

通信作者: 方晰(1968-), 女, 广西邕宁人, 副教授, 从事森林生态学研究。

收稿日期: 2003-08-06
修回日期: 2003-09-12
刊出日期: 2003-12-20

中图分类号: S718.55⁺4.2

关键词:

摘要: 探讨了广西禄峰山林场16 年生4 种密度湿地松Pinus elliottii 人工林生态系统的碳积累、分配及与林分密度的关系。结果表明:4 种密度湿地松人工林生态系统碳库的空间分布序列均为土壤层植被层死地被物层, 碳库总量范围为264.834 ～ 323.978 thm-2 , 平均为291.663 thm-2 , 随着林分密度的增大而增加。植被层的碳贮量范围为96.614 ～ 110.717 thm-2 , 占碳库总量的35.40 %, 各组分碳贮量排列均为树干树根树枝树叶, 碳贮量的地上/地下之比为7.185 ～ 7.922 , 随着密度的增大而下降。随着林分密度的增加, 死地被物层的碳贮量由5.746 thm-2增加至9.181 thm-2 , 占2.17 %～ 2.83 %。土壤层(0 ～ 60 cm)的碳贮量平均为180.94 thm-2 , 占60.32 %以上。密度组Ⅰ , 密度组Ⅱ , 密度组Ⅲ和密度组Ⅳ的年净固定碳量依次分别为9.729 thm-2 , 9.882 thm-2 , 11.239 thm-2和11.946 thm-2 ,平均为10.699 thm-2 。表7 参16

English Abstract

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

1. Research Section of Ecology , Central South Forestry University , Zhuzhou 412006, Hunan, China

Funds:

Received Date: 2003-08-06
Rev Recd Date: 2003-09-12
Publish Date: 2003-12-20

Keywords:

slash pine (Pinus elliottii)plantation /
carbon storage /
carbon distribution /
stand density /
Guangxi

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 .]

方晰, 田大伦, 项文化, 蔡宝玉. 不同密度湿地松人工林中碳的积累与分配[J]. 浙江农林大学学报, 2003, 20(4): 374-379.

引用本文:

方晰, 田大伦, 项文化, 蔡宝玉. 不同密度湿地松人工林中碳的积累与分配[J]. 浙江农林大学学报, 2003, 20(4): 374-379.

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.