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江西省森林土壤有机碳储量研究(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2010年02期
Page:
6-10
Column:
研究论文
publishdate:
2010-03-30

Article Info:/Info

Title:
Organic carbon storage of forest soil in Jiangxi province
Author(s):
SONG Manzhen12 LIU Qijing3 WU Zirong1 OUYANG Xunzhi1*
1.College of Forestry, Jiangxi Agricultural University, Nanchang 330045, China; 2.Jiangxi Province·Chinese Academy of Science Lushan Botanical Garden, Lushan 332900, China; 3.College of Forestry, Beijing Forestry University, Beijing 100083, China
Keywords:
forest soil organic carbon density organic carbon storage spatial distribution Jiangxi province
Classification number :
S714.5
DOI:
10.3969/j.jssn.1000-2006.2010.02.002
Document Code:
A
Abstract:
According to the inventory data from the second soil survey and forest inventory materials for management plan (2001—2005) of Jiangxi province, the total soil organic carbon (SOC) storage of forest in Jiangxi province was estimated, and its spatial distribution characteristics was analysed using GIS technique and the popular soil type method. The total forest area of the Jiangxi province was 10.043 2×106 hm2, and the SOC storage within 0—20 cm depth and 0—100 cm depth were 4.01×108 t and 1.03×109 t respectively. The SOC density showed an increase from its middle and north area to outer mountain regions. The characteristics of regional distribution were due to climate, vegetation and landforms. The average SOC density in 0—20 cm depth of forest soil was 3.89 kg/m2, which was lower than that of natural soil (5.70 kg/m2) and higher than that of ploughed soil (3.00 kg/m2) in the country. The average SOC density within 0—100 cm depth of forest soil was 10.21 kg/m2, which was higher than that of the whole country’s average value (5.46—9.60 kg/m2).

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Last Update: 2010-05-14