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铅锌矿业废弃地草本植物重金属耐性研究
引用本文:杨刚,伍钧,唐亚,谢丽苹,谢晴.铅锌矿业废弃地草本植物重金属耐性研究[J].四川环境,2006,25(4):18-21,38.
作者姓名:杨刚  伍钧  唐亚  谢丽苹  谢晴
作者单位:1. 四川农业大学资源环境学院,四川,雅安,625014
2. 四川农业大学资源环境学院,四川,雅安,625014;四川大学建筑与环境学院,成都,610065
3. 四川大学建筑与环境学院,成都,610065
摘    要:本文调查了四川甘洛铅锌矿废弃矿区和尾矿库区自然生长的15种草本植物,分析了其体内重金属(Pb、Zn、Cd)的含量,并对植物的重金属耐受性作了初步探讨。研究表明,在所采集的15种草本植物中,地上部分以小飞蓬对Pb、Zn、Cd的富集量最高;地下部分富集量则表现出较大的种间差异性,野烟对Pb的积累量最高,假酸浆对Zn的积累量最高,水蓼对Cd的积累量最高,但均未达到“超积累植物”的标准。

关 键 词:草本植物  重金属  耐性  生态恢复
文章编号:1001-3644(2006)04-0018-04
收稿时间:2005-11-03
修稿时间:2005-11-03

Tolerance to Heavy Metals of Some Herbages in Mining Wasteland
YANG Gang,WU Jun,TANG Ya,XIE Li-ping,XIE Qing.Tolerance to Heavy Metals of Some Herbages in Mining Wasteland[J].Sichuan Environment,2006,25(4):18-21,38.
Authors:YANG Gang  WU Jun  TANG Ya  XIE Li-ping  XIE Qing
Abstract:The contents of heavy metals in herbages which grow in Ganluo Lead-zinc Mine(Sichuan,China)were analyzed and the tolerance to heavy metals of them were probed.The results show that the contents of heavy metals remain a high level in some regions,but some of the plants can still grow.Among the 15 species of the herbaceous plants,the contents of Pb,Zn and Cd in Comnyza Canadensis(L) Cronq are the highest in the upper parts.And the enrichments of the underground parts are obviously different among these species.Setaria plicta(Lam.) T.cooke ranks at the first to accumulate Pb as well as Trichodesma khasianum for Zn.And(Polygonhydropiper)has the biggest capability to accumulate Cd,but none of them is the Hyperaccumulator.
Keywords:Herbages  heavy metal  tolerance  ecological restoration
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