Heavy metals in the environment of the Middle Urals and their effects on the organism

被引：1
|
作者：
Koval'chuk, LA [1 ]
Satonkina, OA [1 ]
Tarkhanova, AE [1 ]
机构：
[1] Russian Acad Sci, Ural Div, Inst Plant & Anim Ecol, Ekaterinburg 620144, Russia
来源：
RUSSIAN JOURNAL OF ECOLOGY | 2002年 / 33卷 / 05期
关键词：
heavy metals; small mammals;
D O I：
10.1023/A:1020217810739
中图分类号：
Q14 [生态学（生物生态学）];
学科分类号：
071012 ; 0713 ;
摘要：
The kinetics of accumulation of essential and toxic trace elements (TE) in vitally important organs were studied in small mammals typical of the Middle and Southern Ural fauna. The results revealed a discrepancy between the increased uptake of Cd, Zn, Pb, and Cu by animals and the virtually constant concentrations of heavy metals (HMs) in their organs, which could be explained by the existence of special elimination systems activated upon excessive HM uptake. It is shown that HM accumulation in animal tissues is energy-dependent and species-specific, and the effects of highly toxic TE correlate with physiological processes.
引用
收藏
页码：338 / 341
页数：4
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