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1 September 2009 Terrestrial Passive Integrated Transponder Antennae for Tracking Small Animal Movements
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Abstract
Measuring terrestrial movements of small animals poses a substantial technological challenge. We developed very long (up to 130 m) passive integrated transponder (PIT) detectors with which we tracked salamanders (Caudata) migrating from breeding ponds to their upland habitat >200 m away. In all 60 trials, salamanders were detected when released near the antennae. In a second test, we tracked 7 of 14 tagged marbled salamanders (Ambystoma opacum) migrating >65 m, well beyond the area protected by existing wetland buffer regulations in Massachusetts, USA. The mean rate of movement for these salamanders (x ¯  =  0.9 m/min; SE  =  0.1 m/min) was substantially higher than rates of movement reported for related salamanders with radio-implants. These PIT antennae offer researchers a means to study small animal movements with less disruption of the animals' natural movement patterns than is caused by other available techniques.
Noah D. Charney, Benjamin H. Letcher, Alex Haro and Paige S. Warren "Terrestrial Passive Integrated Transponder Antennae for Tracking Small Animal Movements," Journal of Wildlife Management 73(7), (1 September 2009). https://doi.org/10.2193/2008-096
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