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

American toad (Bufo americanus) tadpoles were exposed to cadmium from shortly after hatching through metamorphosis. Cadmium at 540 μg/L decreased percentage survival and metamorphosis; 5 and 54 μg/L increased growth relative to controls. Amphibians exposed to cadmium as tadpoles may be less tolerant...

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Bibliographic Details
Published in:Environmental toxicology and chemistry 2003-02, Vol.22 (2), p.377-380
Main Authors: James, Stacy M., Little, Edward E.
Format: Article
Language:English
Subjects:
Agnatha. Pisces
Amphibia
Animal, plant and microbial ecology
Animals
Applied ecology
Biological and medical sciences
Bufo americanus
Bufonidae
Cadmium
Cadmium - toxicity
Chronic exposure
Ecotoxicology, biological effects of pollution
Effects of pollution and side effects of pesticides on vertebrates
Environmental Pollutants - toxicity
Fundamental and applied biological sciences. Psychology
Hormesis
Larva - growth & development
Metamorphosis
Metamorphosis, Biological - drug effects
Reptilia. Amphibia
Time Factors
Toxicity Tests, Chronic
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Summary:American toad (Bufo americanus) tadpoles were exposed to cadmium from shortly after hatching through metamorphosis. Cadmium at 540 μg/L decreased percentage survival and metamorphosis; 5 and 54 μg/L increased growth relative to controls. Amphibians exposed to cadmium as tadpoles may be less tolerant of natural stressors in the terrestrial environment.
ISSN:0730-7268
1552-8618
DOI:10.1002/etc.5620220219