The effects of chronic cadmium exposure on American toad (Bufo americanus) tadpoles

被引：46
|
作者：
James, SM
Little, EE
机构：
[1] Univ Missouri, Div Biol Sci, Columbia, MO 65211 USA
[2] US Geol Survey, Columbia Environm Res Ctr, Columbia, MO 65201 USA
来源：
ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY | 2003年 / 22卷 / 02期
关键词：
Bufo americanus; cadmium; chronic exposure; hormesis; metamorphosis;
D O I：
10.1002/etc.5620220219
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
American toad (Bufo americanus) tadpoles were exposed to cadmium from shortly after hatching through metamorphosis. Cadmium at 540 mug/L decreased percentage survival and metamorphosis; 5 and 54 mug/L increased growth relative to controls. Amphibians exposed to cadmium as tadpoles may be less tolerant of natural stressors in the terrestrial environment.
引用
收藏
页码：377 / 380
页数：4
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