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1 July 2008 Visual Implant Elastomer Mark Retention Through Metamorphosis in Amphibian Larvae
Evan H. Campbell Grant
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Abstract

Questions in population ecology require the study of marked animals, and marks are assumed to be permanent and not overlooked by observers. I evaluated retention through metamorphosis of visual implant elastomer marks in larval salamanders and frogs and assessed error in observer identification of these marks. I found 1) individual marks were not retained in larval wood frogs (Rana sylvatica), whereas only small marks were likely to be retained in larval salamanders (Eurycea bislineata), and 2) observers did not always correctly identify marked animals. Evaluating the assumptions of marking protocols is important in the design phase of a study so that correct inference can be made about the population processes of interest. This guidance should be generally useful to the design of mark–recapture studies, with particular application to studies of larval amphibians.

Evan H. Campbell Grant "Visual Implant Elastomer Mark Retention Through Metamorphosis in Amphibian Larvae," Journal of Wildlife Management 72(5), 1247-1252, (1 July 2008). https://doi.org/10.2193/2007-183
Published: 1 July 2008
JOURNAL ARTICLE
6 PAGES

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