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ABSTRACT
We examined the survivorship of wood frog (Rana sylvatica) tadpoles when exposed continuously to various concentrations of sodium chloride, a common component of road salt. A high environmental concentration of NaC1 (5.6 g L−1) resulted in decreased survivorship within a short period of time compared to controls; lower concentrations of NaC1 also decreased survivorship, but the effect took longer to appear. These results indicate that environmental salinization, as results from road salt run-off, will have negative consequences for the wood frog.
