JIANG Zeyu,FU Minjie,WU Fengri,et al.Changbai Mountain District Forest Spatial Distribution Characteristics of Soil Organic Carbon[J].Northern Horticulture,2016,40(05):181-186.[doi:10.11937/bfyy.201605048]
长白山区次生林土壤有机碳空间分布特征
- Title:
- Changbai Mountain District Forest Spatial Distribution Characteristics of Soil Organic Carbon
- Keywords:
- forest soil; organic carbon; organic carbon density
- 文献标志码:
- A
- 摘要:
- 为了解长白山区次生林土壤有机碳空间分布特征，采用样线法对长白山区次生林土壤有机碳及其组分在土壤剖面层次、坡位和坡向的空间分布状况进行了调查。结果表明：除“东-西样线”中的东坡中层A1-2外，长白山区次生林土壤总有机碳均表现出随土壤剖面深度的增加而降低趋势。0~5 cm腐殖质层土壤总有机碳含量均显著高于淀积层土壤。长白山区次生林腐殖质层土壤总有机碳含量在山体不同高度的分布受坡向影响，“东-西样线”土壤有机碳含量有随着海拔上升呈递增的趋势，“东-南样线”获得的结果与“东-西样线”的并不一致。次生林中不同山体有机碳密度之间存在明显的差异，且有机密度垂直空间的分布也因山体不同而异。综合2条样线各坡位有机碳密度来看，长白山东南部地区次生林土壤有机碳密度介于（0.6±0.1）×105~（1.6±0.2）×105 kg/hm2。
- Abstract:
- In order to understand the spatial distribution characteristics of the soil organic carbon in the secondary forest of the Changbai Mountains，the sample line method was adopted to carry out the research about the secondary forest soil organic carbon in the Changbai Mountains as well as the spatial distribution characteristics of organic density in soil profile layer，slope position and aspect.The results showed that the secondary forest soil organic carbon decreased with the increasing of the depth of soil profile except the middle soil profile (A 1-2) in the east slope in the east-west sampling line.The total organic carbon in 0-5 cm humus layer was significantly higher than the illuvium.The content of the organic carbon in the humus layer in the secondary forest of the Changbai Mountains was influenced by the slope aspect in different heights of the mountain，in the east-west sampling line，the soil organic carbon increases with the increasing of the altitude，but the results collected in the east-south sampling line was different from the the former.In the secondary forest，the carbon densities and its vertical space distributions in different mountains were significantly different.The densities of the organic carbon for the all two sampling lines were between （0.6±0.1）×105 kg/hm2 and （1.6±0.2）×105 kg/hm2 in the secondary forest in east the Changbai Mountain.
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备注/Memo
第一作者简介：姜泽宇(1990-)，男，硕士研究生，研究方向为土壤物质营养与循环。E-mail：413339784@qq.com.责任作者：傅民杰(1972-)，男，博士，副教授，现主要从事土壤物质营养与循环等研究工作。E-mail:fuminjie@163.com.基金项目：吉林省科技厅重点攻关资助项目（20140204045SF）；“十二五”农村领域国家科技计划课题资助项目（2011BAD37B01）；国家自然科学基金资助项目（31160103）。