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USGS · 1008575

Using ground-placed PVC pipes to monitor hylid treefrogs: Capture biases

M. Zacharow·W.J. Barichivich·C.K. Dodd
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Abstract

We sampled a population of two species of hylid treefrogs using 90 vertical ground-placed PVC pipes of 3 diameters positioned along a 1500-m transect at a forest-open pond ecotone in north-central Florida in order to identify potential capture biases. We recorded 1,981 treefrog observations (778 unmarked, 1,203 recaptures) in 8 months. Our results identified species-specific seasonal and weather-related variation in capture by pipe diameter and pipe location. These biases may limit the usefulness of this sampling technique when monitoring long-term treefrog population status and trends.

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M. Zacharow, W.J. Barichivich, C.K. Dodd. 2003. Using ground-placed PVC pipes to monitor hylid treefrogs: Capture biases. https://doi.org/10.1656/1528-7092(2003)002%5B0575%3Augpptm%5D2.0.co%3B2

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