[1]蔡会德,张 伟,江锦烽,等.广西森林土壤有机碳储量估算及空间格局特征[J].南京林业大学学报(自然科学版),2014,38(06):001-5.[doi:10.3969/j.issn.1000-2006.2014.06.001]
 CAI Huide,ZHANG Wei,JIANG Jinfeng,et al.Estimation and distribution patterns of organic carbon stock in forest soil in Guangxi[J].Journal of Nanjing Forestry University(Natural Science Edition),2014,38(06):001-5.[doi:10.3969/j.issn.1000-2006.2014.06.001]
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广西森林土壤有机碳储量估算及空间格局特征
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《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

卷:
38
期数:
2014年06期
页码:
001-5
栏目:
专题报道
出版日期:
2014-12-09

文章信息/Info

Title:
Estimation and distribution patterns of organic carbon stock in forest soil in Guangxi
文章编号:
1000-2006(2014)06-0001-05
作者:
蔡会德张 伟江锦烽农胜奇方颖琨熊晓斐
广西林业勘测设计院,广西林业碳汇计量监测中心,广西 南宁 530011
Author(s):
CAI Huide ZHANG Wei JIANG Jinfeng NONG Shengqi FANG Yingkun XIONG Xiaofei
Guangxi Forest Inventory and Planning Institute, Guangxi Forestry Carbon Sequestration Measurement and Monitoring Center, Nanning 530011,China
关键词:
森林土壤 土壤有机碳 碳储量 碳密度 空间格局 广西
Keywords:
forest soil soil organic carbon carbon storage carbon density distributing patterns Guangxi
分类号:
S714.9
DOI:
10.3969/j.issn.1000-2006.2014.06.001
文献标志码:
A
摘要:
准确估算森林土壤有机碳库,研究其空间格局特征是陆地碳循环研究的关键与热点。利用森林资源连续清查样地资料,结合土壤剖面实测数据,估算广西森林土壤有机碳蓄积,分析不同经度、纬度、海拔的土壤有机碳密度的分布特征。研究结果表明:广西森林土壤有机碳 1 852.5 Tg,其中红壤和赤红壤土壤碳约占76.1%,是土壤有机碳储量的重要组成部分。广西森林土壤碳密度为12.13 kg/m2,碳密度低于全国平均水平,地带性土壤有机碳密度大小顺序为黄壤>红壤>赤红壤>砖红壤。森林土壤有机碳密度的空间分布总体上有北部高于南部、四周高于中部的规律。从三向地带性上看,碳密度均呈现出高—低—高的“U型”分布,有机碳密度低值区域主要是受岩溶地区的影响。
Abstract:
The forest soil organic carbon stock estimation and its distributing patterns analysis is a research focus in terrestrial carbon cycle field. The forest continuous inventory plots data was used to estimate the forest soil organic carbon accumulation combined with the measured soil profile data in Guangxi. The soil organic carbon distribution characteristics in the different longitude, latitude, and altitude was analyzed. The results showed that: ① The forest soil organic carbon content was 1 852.5 Tg in which the red soil and the lateritic red soil were the main components of the organic carbon content and accounts for about 76.1%.② The organic carbon density was 12.13 kg/m2 and it was below the national average level. The zonal organic carbon density was in the following order: yellow soil>red soil>lateritic red soil>latosol.③ The distribution of the overall soil carbon density in the north area were higher than the south, and the surrounding regions were higher than the middle parts. The overall trend of the organic carbon density appears “U” shape along the longitude, the latitude and the altitude. The lower area of the organic carbon density was mainly affected by the Karst area.

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备注/Memo

备注/Memo:
收稿日期:2014-04-04 修回日期:2014-08-26
基金项目:广西“新世纪十百千人才工程”专项资金项目(桂人社办[2012]第92号); 广西林业科技项目(桂林科字[2012]第19号)
第一作者:蔡会德,教授级高级工程师。E-mail: CHD8952@163.com。
引文格式:蔡会德,张伟,江锦烽,等. 广西森林土壤有机碳储量估算及空间格局特征[J]. 南京林业大学学报:自然科学版,2014,38(6):1-5.
更新日期/Last Update: 2014-12-31