Biologists initially used VHF radio collars, which emit a
unique signal that can be picked up by a transceiver. Beginning in 2008,
biologists began using GPS units, devices which use satellites to give a more
precise location than the VHF units.
Elk location data collected from the collars will help
wildlife managers map elk movement and habitat use, design hunting seasons to
meet objectives, monitor the effects of wolves on elk density, and evaluate the
effects of elk density on potential disease transmission.
The refuge's photo gallery includes a series of pictures that chronicle biologists collaring elk on the National Elk
Refuge. When viewed in order, the
pictures take the viewer through the collaring process from start to finish.
The collaring is part of a cooperative research project that evaluates habitat
use and elk distribution.
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Elk aren't the only species of wildlife you may see on the National Elk Refuge.