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The effect of temperature on development and behavior of relict leopard frog tadpoles (Rana onca)

Citation

Goldstein, Jeffrey A, The effect of temperature on development and behavior of relict leopard frog tadpoles (Rana onca): .

Summary

Relict Leopard frogs (Rana onca) are found in thermal springs with water temperatures in excess of 30�C at the source but it's unknown whether tadpoles require reintroduction sites with specific thermal conditions for development. Tadpole survivorship at 20, 25 and 30�C was 84, 93.8, and 66%, respectively, while none survived at 35�C. Time to metamorphosis was significantly shorter for 25�C acclimation group (62�8 days) followed by the 30� (106�51 days) and 20�C (260�47 days) acclimation groups. Development was arrested in the 15�C acclimated group and survivorship declined to 63.8% after 191 days. However, 80% of the surviving larvae completed metamorphosis after temperature was increased to 25�C. When placed in a thermal gradient, [...]

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  • Upper Colorado River Basin

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From Source - Mendeley RIS Export <br> On - Wed Sep 19 08:03:42 MDT 2012

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Title Citation The effect of temperature on development and behavior of relict leopard frog tadpoles (Rana onca)

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