人为干扰对秋浦河河滩湿地土壤碳组分的影响  

Influence of Man Made Interference on Carbon Fraction of Benchland Wetland soil of Qiupu River

作　　者：汪雨 何小青[1] 徐佳 陆威 Jiang Yu;He Xiaoqing;Xu Jia;Lu Wei(College of Resource and Environment,Chizhou University,Chizhou Anhui 247000)

机构地区：[1]池州学院资源环境学院,安徽池州247000

出　　处：《池州学院学报》2018年第3期65-67,共3页Journal of Chizhou University

基　　金：资源环境与城乡规划管理国家级特色专业(TS12161);安徽省教育厅自然科学重点项目(KJ2017A580;KJ2018A0580);池州学院自然项目(2016ZR014);池州学院研究中心项目(XKY201405)

摘　　要：分层采集秋浦河下游河滩天然湿地及围垦农田(人为干扰地)土壤,分别测定土壤有机碳(SOC)含量、溶解性有机碳(DOC)含量、pH值及含水率。结果表明,土壤SOC平均含量为25.38±6.18g/kg,其中天然湿地土壤SOC含量高于人为干扰地;人为干扰地土壤DOC/SOC平均占比较高,加速了土壤中的SOC流失;土壤SOC与DOC含量呈显著正相关,相关系数为0.255(P<0.05),土壤SOC含量与新鲜土壤含水率呈极显著正相关,相关系数为0.472(P<0.01),说明水分含量是影响土壤SOC含量的重要因素。The samples of soils of benchland wetland and reclaimed farmland of lower reaches of Qiupu River is taken for the analysis of SOC,DOC,pH value and moisture content.The results show the average SOC is 25.38±6.18g/kg,SOC of natural wetland soil is higher than that of man-made interfered land;the higher average percentage of DOC/SOC accelerates the erosion of SOC;SOC and DOC in soils presents significant positive correlation,which indicates moisture content plays an important role in influencing SOC of soils.

关 键 词：湿地 有机碳 人为干扰 秋浦河 

分 类 号：S153[农业科学—土壤学]