Application and Verification of Logarithmic Linear Correlation Mode of Element Contents Between Tree Rings and Soils near the Tree Roots

编号 zgly0000177850

文献类型 期刊论文

文献题名 Application and Verification of Logarithmic Linear Correlation Mode of Element Contents Between Tree Rings and Soils near the Tree Roots

学科分类 220.1060;森林生态学

作者 QIANJUNLONG  YINZHUOSI 

作者单位 NanjingInstituteofGeographyandLimnology 

母体文献 PEDOSPHERE;土壤圈: 英文版 

年卷期 1998,8(1)

页码 65-70

年份 1998 

分类号 S718.51  S718.43 

关键词 化学元素  对数线性相关模型  树  根际土壤  树木年轮 

文摘内容 Nine Platanus acerifolia(Ait),Willd.trees growing in the Nanjing Children Teacher's School,Nanjing,China ,were selected to determine the contents of 13 chemical elements both in the 1994's growth rings,C(Z,t),and in the soils near the roots,C′(Z,t),of the trees ,The results showed that the relationship be-tween C(Z,t) and C′(Z,t) followed the logarithmic liner correlation moedl.lgC′(Z,t),=a(Z)+b(Z)lgC(Z,t),Based on this model the chrono-sequences of chemical element contents in the soils were reproduced fromt those ih the tree rings;i.e., the dynamic variations in the chemical element contents of the soils at the sites were trced.In this study the chrono-sequences of the chemical elements including Cd,Pb,Mn,Co and Zn in the soils near the roots of a Platanus acerifolia tree from 1957 to 1994 were established ,and the background values of Cd,Pb,Mn,Co and Zn in the soil were calcuated by taking the lowest values of the chrono-sequences of the element conents as upper limits of the background values。