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This profile was last updated on 9/6/13  and contains information from public web pages and contributions from the ZoomInfo community.

Dr. Lisa Floyd-Hanna

Wrong Dr. Lisa Floyd-Hanna?

Professor and Chair of Environmen...

Phone: (928) ***-****  HQ Phone
Email: l***@***.edu
Prescott College
220 Grove Ave
Prescott, Arizona 86301
United States

Company Description: Prescott College . The United States college offers B.A. and M.A. degree programs by distance learning. For the B.A. program, credit can be obtained for life...   more

Employment History

Board Memberships and Affiliations

  • Board Member
    Presidents and Human Ecology Review Editorial
22 Total References
Web References
University Press of Colorado - Ancient Piñon-Juniper Woodlands - Product Details, 7 May 2010 [cached]
M. Lisa Floyd is professor and chair of environmental studies at Prescott College in Arizona.
Printer-friendly article page, 26 April 2006 [cached]
Lisa Floyd started researching piñon pine and juniper at the historic park in 1989 for her doctoral dissertation at the University of Colorado.She is now a professor at Prescott College in Arizona.Over nearly two decades, she focused on how fire and drought affect the trees.Her past conclusions have startled some, she said, and her latest are frightening.
People called her study showing piñon and juniper stands have a 400-year cycle "the craziest thing we've ever heard," she said, because they expected it to be much shorter.A fire cycle is defined as the time it takes for a whole area to burn, generally with several fires.
Recently she developed a simulation model that suggests the 400-year cycle may drop to a 45-year cycle that will prevent new piñon and juniper plants from growing once fire burns them.
Floyd has watched fire whittle away Mesa Verde's old growth forest, with major burns occurring in 1996, 2000, 2002 and 2003.Though many worried the frequency of the fires was the beginning of a new pattern, her studies showed otherwise.
However, Floyd spotted an unusual aftermath: An invasive plant called cheatgrass rapidly sprouted wherever fire razed the piñon-juniper woodlands.
"It's making a march all through Colorado," Floyd said.
Floyd described cheatgrass as a fine fuel that lights and spreads easily, fanning fires.That's a problem, she said, because it increases the likelihood of fires and gives piñon pine and juniper less opportunity to regrow after a fire.
Floyd did point out that her predictions were a model, not a fact.
"It's a good tool, but it can be wrong," she said.
Summit Daily News for Breckenridge, Keystone, Copper and Frisco Colorado - News [cached]
Plant scientist Lisa Floyd-Hanna of Prescott College, Prescott, Ariz., said global warming is a factor.
"While we have had droughts of this magnitude before, they have never been coupled with such high temperatures," said she during a meeting scientists and managers."Even seemingly small changes in temperatures have had devastating effect on our vegetation."
Floyd-Hanna said temperatures, on average, were three degrees warmer during the 2002-2003 period than during the last major drought, 1953-1956.
Society for Human Ecology, 27 Sept 2005 [cached]
Lisa Floyd-Hanna - Prescott College - Arizona
Dr. Lisa Floyd-Hanna, ..., 11 Oct 2011 [cached]
Dr. Lisa Floyd-Hanna, Prescott College
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