Soil Organic Carbon Storage on Different Slope Positions in Cunninghamia Lanceolata Stands

XUE Li; XUE Ye; LIE Gan-wen; YE Long-hua; HUANG Xiang-lan

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Soil Organic Carbon Storage on Different Slope Positions in Cunninghamia Lanceolata Stands

- Soil Organic Carbon Storage on Different Slope Positions in Cunninghamia Lanceolata Stands
- Bulletin of Soiland Water Conservation Vol. 31, Issue 6, Pages: 43-46(2012)
- 作者机构：
  
  1. 华南农业大学林学院
  2. 浙江工业大学
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2012
- 稿件说明：
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XUE Li, XUE Ye, LIE Gan-wen, et al. Soil Organic Carbon Storage on Different Slope Positions in Cunninghamia Lanceolata Stands[J]. Bulletin of Soiland Water Conservation, 2012, 31(6): 43-46.
DOI：

XUE Li, XUE Ye, LIE Gan-wen, et al. Soil Organic Carbon Storage on Different Slope Positions in Cunninghamia Lanceolata Stands[J]. Bulletin of Soiland Water Conservation, 2012, 31(6): 43-46. DOI：

摘要

通过实地调查取样和室内实验测定

比较了上坡和下坡杉木的土壤碳库及其垂直分布差异

研究了坡位对杉木人工林固碳功能的影响。结果表明

杉木上坡和下坡的枯枝落叶层有机碳贮量分别为0.9和1.1t/hm

坡下的枯枝落叶层有机碳贮量较坡上高出32%。坡上和坡下的土壤有机碳贮量分别为149.9和174.2t/hm

且表层(0-40cm)碳贮量分别占整个碳贮量(0-100cm)的55%和56%。上坡和下坡的土壤有机碳含量和贮量随土层深度的加深而递减

各土层的有机碳含量和贮量均表现为下坡高于上坡。

Abstract

Based on the field investigation and laboratory analysis

soil organic carbon was compared between upper and lower slope positions of Cunninghamia lanceolata stands with the aim of understanding the effects of slope position on carbon fixation of Cunninghamia lanceolata stands.The results showed that organic carbon storage of litter layer were 0.9 and 1.1 t/hm2 in upper-slope and lower-slope

respectively

indicating a 32% increase from the former to the latter.Soil organic carbon storage was 149.9 and 174.2 t/hm2

respectively

in the upper-slope and lower-slope.The surface(0-40 cm) layers accounted for 55% and 56% of the total carbon storage(0-100 cm) for upper and lower slopes

respectively.Organic carbon contents decreased with increasing soil depths in both upper and lower slopes.In each layer

the content and storage of organic carbon of the upper slope were greater than those of the lower slope.

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