青海青南地区鼠疫自然疫源地鼠疫高发区与静息区土壤中12种金属元素含量分析  

Contents of 12 soil metal elements in the plague high incidence area and resting area in the plague natural foci of Qingnan region of Qinghai Province

作　　者：魏有文[1] 陈洪舰[1] 孟献亚[1] 王雪[1] 喇翠玲[1] 周奎章 米宝玉 李千[1] 马英[1] Wei Youwen;Chen Hongjian;Meng Xianya;Wang Xue;La Cuiling;Zhou Kuizhang;Mi Baoyu;Li Qian;Ma Ying(Department for Plague Prevention and Control,Qinghai Institute for Endemic Disease Prevention and Control,Xining 810021,China)

机构地区：[1]青海省地方病预防控制所鼠疫预防控制科,西宁810021

出　　处：《中华地方病学杂志》2021年第12期947-952,共6页Chinese Journal of Endemiology

基　　金：国家自然科学基金(81560521、81460508)。

摘　　要：目的调查青海青南地区鼠疫自然疫源地鼠疫高发区和静息区土壤金属元素含量, 对比分析两地区土壤金属元素含量的差异。方法对青南地区鼠疫自然疫源地鼠疫高发区(玉树州)和静息区(果洛州)的11个样地土壤进行采样, 共采集土壤样品69份, 其中高发区39份、静息区30份。应用X射线荧光光谱法测量土壤中铁(Fe)、镁(Mg)、钙(Ca)、钡(Ba)、钴(Co)、铜(Cu)、锰(Mn)、铅(Pb)、铷(Rb)、钛(Ti)、钒(V)、锌(Zn)12种金属元素含量, 并采用SPSS 20.0软件进行Spearman相关等统计分析。结果青南地区鼠疫自然疫源地土壤中Fe、Ca含量均较高;12种金属元素在高发区土壤中的含量均显著高于静息区(P<0.01或<0.05);Mg、Ca、Ba、Mn、Pb、Zn含量在高发区土壤间比较差异均有统计学意义(P<0.01或<0.05), Fe、Mg、Ca、Rb、Ti含量在静息区土壤间比较差异均有统计学意义(P<0.05或<0.01)。在高发区和静息区除Mg、Ca外, Fe与其他金属元素均呈正相关(P<0.01或<0.05), 其中Fe与Rb、Ti、V均呈强正相关[相关系数(r) = 0.780 ~ 0.838];Mg在高发区和静息区仅与Ca呈正相关(P均<0.01);Ca在高发区与Mn、Pb、Rb、Ti、V、Zn, 在静息区与Rb、Zn均呈负相关(P<0.01或<0.05);其余金属元素间在高发区和静息区多呈正相关。结论青海青南地区鼠疫自然疫源地中富含Fe、Ca元素, 鼠疫高发区和静息区土壤中多数金属元素间存在相关性, 金属元素含量与鼠疫流行的相关性值得进一步探讨。Objective To investigate the contents of soil metal elements in the plague high incidence area and resting area in the plague natural foci of Qingnan region in Qinghai Province,and to compare and analyze the differences of the contents of soil metal elements between the two areas.Methods A total of 69 soil samples were collected from 11 sites in the plague high incidence area(Yushu Prefecture)and resting area(Guoluo Prefecture)in Qingnan region,including 39 samples from high incidence area and 30 samples from resting area.The contents of 12 soil metal elements,such as iron(Fe),magnesium(Mg),calcium(Ca),barium(Ba),cobalt(Co),copper(Cu),manganese(Mn),lead(Pb),rubidium(Rb),titanium(Ti),vanadium(V)and zinc(Zn),were measured by X-ray fluorescence spectrometry and SPSS 20.0 software was used for Spearman correlation and other statistical analysis.Results The contents of Fe and Ca in the soil of the plague natural foci of Qingnan region were relatively high.The contents of 12 soil metal elements in the high incidence area were significantly higher than those in the resting area(P<0.01 or<0.05).There were statistical significant differences in the contents of Mg,Ca,Ba,Mn,Pb and Zn in the soil among the sample plots of the plague high incidence area(P<0.01 or<0.05).There were statistical significant differences in the contents of Fe,Mg,Ca,Rb and Ti in the soil among the sample plots of the plague resting area(P<0.05 or<0.01).Except for Mg and Ca,Fe was positively correlated with other metal elements in the high incidence area and resting area(P<0.01 or<0.05),and Fe was strongly positively correlated with Rb,Ti and V(r=0.780-0.838).Mg was only positively correlated with Ca in the high incidence area and resting area(P<0.01).Ca was negatively correlated with Mn,Pb,Rb,Ti,V and Zn in the high incidence area,and with Rb and Zn in the resting area(P<0.01 or<0.05).The rest of the metal elements were mostly positively correlated in the high incidence area and resting area.Conclusions The contents of Fe and Ca are rich in the plag

关 键 词：鼠疫 土壤 自然疫源地 金属元素 

分 类 号：X833[环境科学与工程—环境工程] R516.8[医药卫生—内科学]