海南岛西部地区砖红壤中重金属元素含量及其分布特征  

Content and Distribution Characteristics of Heavy Metals Elements in Latosol in West Hainan Island

作　　者：王军广[1] 赵志忠[1] 赵广孺[1] 张忠伟[1] 

机构地区：[1]海南师范大学地理与旅游学院,海南海口571158

出　　处：《安徽农业科学》2010年第6期3072-3074,共3页Journal of Anhui Agricultural Sciences

基　　金：海南省自然科学基金项目(40879);教育部留学回国人员科研启动基金资助项目;海南师范大学"遥感与地理信息系统"重点学科联合资助项目

摘　　要：以海南岛西部砖红壤地区为研究区域,采用现场采样及室内分析测试方法,对土壤重金属含量及分布特征进行研究。结果发现,重金属元素在淋溶层和淀积层的含量与母质层含量具有一定的正相关关系,土壤重金属分布在总体上受成土母质层制约。受区内自然条件影响,区内土壤微量元素的垂向迁移能力相对较弱,而人类的工业活动、农业活动也可导致少量As、Cd、Pb等有害外源微量元素进入土壤并趋向于在土壤的浅层富集。Taking the west areas of Hainan island as research area,and using on-site sampling and laboratory analysis testing methods,the content and the distribution characteristics of heavy metals in soil were studied.The results indicated that the content range of heavy metal elements in both eluvial horizons and illuvial horizons had a positive correlation with the content range in parent material horizons.HMEs in both eluvial horizons and illuvial horizons were associated with the heavy metal elements in parent material horizons.Although only a little amount of trace elements had undergone vertical migration in the latosol profiles,the contents of trace elements and their spatial variation can be changed.Trace elements in the soils such as As,Cd,Pb can be enriched in the lower layers of the latosol profiles because of the influence of human＇s activities.

关 键 词：砖红壤元素 土壤重金属 空间分布 海南岛 

分 类 号：S151.9[农业科学—土壤学]