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1 September 2003 Geographic Variation in pH Tolerance of Two Populations of the European Common Frog, Rana temporaria
Julian Glos, T. Ulmar Grafe, Mark-Oliver Rödel, K. Eduard Linsenmair
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Abstract

In a laboratory experiment, we investigated the effects of low pH environment, a key parameter of acidity, on mortality, growth, and development in two populations of Rana temporaria that differ in the pH of their breeding ponds. In a population with pH neutral breeding sites, low pH treatment caused a prolongation in embryogenesis and an increased embryonic mortality, a higher proportion of deformed hatchlings and an increased larval time. Embryos and larvae from a population that was exposed naturally to low pond pH were more pH tolerant, as the only effect of low pH was increased larval time.

The American Society of Ichthyologists and Herpetologists
Julian Glos, T. Ulmar Grafe, Mark-Oliver Rödel, and K. Eduard Linsenmair "Geographic Variation in pH Tolerance of Two Populations of the European Common Frog, Rana temporaria," Copeia 2003(3), 650-656, (1 September 2003). https://doi.org/10.1643/CE-02-097R2
Accepted: 5 February 2003; Published: 1 September 2003
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