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UF researcher tests powerful new tool to advance ecology, conservation
Date:11/28/2012

GAINESVILLE, Fla. A new University of Florida study shows ecologists may have been missing crucial information from animal bones for more than 150 years.

The study featured on the cover of the November issue of Ecology shows animal bone remains provide high-quality geographical data across an extensive time frame. The research may be used to identify regions of habitat for the conservation of threatened species.

Charles Darwin first noted the importance of studying where animal bones lie on the landscape in 1860, but the topic has since become largely lost to scientists trying to protect and conserve native wildlife. By documenting accumulations of elk bones and antlers on the landscape of Yellowstone National Park in Wyoming, study author Joshua Miller identified areas critical for the species' survival during spring and winter.

"This is fundamental stuff, because for a long time the common knowledge was that bones only lasted a few years on the landscape," said Miller, an assistant scientist at the Florida Museum of Natural History on the UF campus and Fenneman assistant research professor at the University of Cincinnati. "It turns out they last a lot longer and surveys of bones on landscapes offer a new tool for conservation and management one that allows us to collect decades of biological data in a single field season."

Walking across Yellowstone Park, Miller documented elk skeletal remains and determined the bones record the same seasonal distributions as aerial surveys of living elk.

Ecologists typically gather information for conservation by monitoring wild animals, a task requiring years of financial support and countless hours of observation by wildlife biologists. A long-term study in ecology consists of at least 10 to 20 years of census data. However, because some bones can survive on some landscapes for hundreds of years, they may include data from time periods beyond the reaches of a traditio
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Contact: Joshua Miller
josh.miller@uc.edu
513-556-6704
University of Florida
Source:Eurekalert

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