A Cu tolerant population of the earthworm Dendrodrilus rubidus (Savigny, 1862) at Coniston Copper Mines, Cumbria, UK

被引：25

作者：

Arnold, R. E. ^{[1
]}

Hodson, M. E. ^{[1
]}

Langdon, C. J. ^{[1
]}

机构：

[1] Univ Reading, Sch Human & Environm Sci, Dept Soil Sci, Reading RG6 6DW, Berks, England

来源：

ENVIRONMENTAL POLLUTION | 2008年 / 152卷 / 03期

基金：

英国自然环境研究理事会;

关键词：

earthworms; tolerance; resistance; metal; copper; toxicity; risk assessment;

D O I：

10.1016/j.envpol.2007.06.048

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Dendrodrilus rubidus were sampled from a mine spoil soil at Coniston Copper Mine, an abandoned Cu mine in Cumbria, UK and a Cu-free control site. Earthworms were maintained for 14 d in both Kettering loam and a Moorland soil amended with Cu nitrate. Mortality, condition index, weight change and tissue concentration were determined. In both soils D. rubidus native to the mine site were able to tolerate significantly higher soil Cu concentrations (MWRT, p <= 0.001), and exhibited significantly less change in weight (t-test, p <= 0.001) and a lower loss in condition (t-test, p <= 0.001) than control earthworms. For a given soil Cu concentration tissue Cu concentrations were greater in the mine site earthworms. Low cocoon production and viability from the mine site population prevented the determination of toxicity parameters on the F1 generation and may be an indicator of the cost of tolerance to the population. (c) 2007 Elsevier Ltd. All rights reserved.

引用

页码：713 / 722

页数：10

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