Effects of sublethal concentrations of atrazine and nitrate on metamorphosis of the African clawed frog.

@article{Sullivan2003EffectsOS,
  title={Effects of sublethal concentrations of atrazine and nitrate on metamorphosis of the African clawed frog.},
  author={Karen Brown Sullivan and Karla M Spence},
  journal={Environmental toxicology and chemistry},
  year={2003},
  volume={22 3},
  pages={627-35}
}
Tadpoles of the African clawed frog (Xenopus laevis) were exposed to sublethal concentrations of atrazine (0, 40, and 320 microg/L) and nitrate (0, 37, and 292 mg/L) from feeding stage to metamorphosis. A 3 x 3 factorial design was used to identify both single and interactive effects. At metamorphosis, tadpole weight, snout-vent length (SVL), and hematocrit were determined. Mean mortality was greater in tanks receiving 320 microg/L atrazine; nitrate had no effect on mortality. Significant… CONTINUE READING

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