沪宁高速公路两侧植物重金属含量与分布特征分析  

Distribution Characteristics of Heavy Metals in Plants along Shanghai-Nanjing Expressway

作　　者：杨宝玲[1,2] 郑阿宝[3] 阮宏华[2] 

机构地区：[1]江苏农林职业技术学院风景园林系,江苏句容212400 [2]南京林业大学江苏省林业生态工程重点实验室,江苏南京210037 [3]江苏省林业局,江苏南京210036

出　　处：《安徽农业科学》2015年第9期158-160,共3页Journal of Anhui Agricultural Sciences

摘　　要：以沪宁高速公路两侧植物为研究对象,按不同的土地利用方式(有林带和无林带)采集植物样品,分析了尾气排放对植物重金属污染的影响及公路绿色通道建设对重金属污染的防护作用。研究结果表明:(1)杨树叶对Cu、Pb的富集能力较小,但对Zn的富集系数较大;(2)沪宁高速公路两侧杨树叶和黄豆叶中重金属Cu、Pb、Zn的含量均随距公路距离的增加而减少;(3)沪宁高速公路中黄豆叶和杨树叶中重金属含量与土壤中重金属含量没有明显的相关性。Plant samples were collected according to the land- use types along Shanghai-Nanjing expressway,the effect of traffic to heavy metal pollution in plants and the protective function of greenway construction to heavy metal pollution we e analyzed. The results indicated：（ 1） The enrichment coefficients to Cu,Pb of populus leaves were smaller,but the enrichment coefficient to Zn of populus leaves was stroger;（ 2） The heavy metal（ Cu,Pb,Zn） contents of populus leaves along Huning expressway decreased with the distance increase from soil sampling spots to road.（ 3） Heavy metal contents in soil did not correlated positively with the metal contents in plants.

关 键 词：绿色通道建设 重金属污染 植物 相关性 

分 类 号：S718.5[农业科学—林学]