prescriptive grazing for fire control by ashley hansen
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Prescriptive Grazing for Fire Control
Ashley HansenUtah Department of Agriculture and FoodGrazing Improvement Program
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Fires in Utah
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We All Know the Story
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Fire Prevention Efforts
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Another Option??
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Skull Valley- Tooele County
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The Idea Identify “High Risk” areas and/or structures Use existing structures (roads, pipeline, fences) to plan
fire breaks that are approximately ½ mile wide Creating 10,000 acre “pastures” between fire breaks
Use temporary structures (Electric fence, temporary troughs, water trucks, supplement) to hold high densities of cattle to remove fine fuels.
Rehabilitate cheatgrass “pastures” between fire breaks using cattle
Reseeding of grazed areas with fire resistant seed types would be key, in some instances Plateau or other chemicals may be needed.
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Skull Valley- Tooele County
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The Idea Use current permitted animals to heavily graze firebreak
areas using electric fence, temporary water, supplement Some NEPA would be required because in most cases we
would be changing the timing of grazing from what the permit allows
Team to review range conditions BLM, GIP,vExtension, Ranchers,
Monitoring and control of livestock Permitted Rancher responsibility Full time herder may be required
Funding for fence, seed, and chemical would be available through GIP
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A Study
Joel M. Diamond, USU 2009 PhD Dissertation Effects of Targeted Grazing and Prescribed Burining on Fire Behaviou
and Community Dynamics of a Cheatgrass Targeted grazing of large blocks and strips could be used as the
initial step in the revegetation of cheatgrass-dominated sites.
Timed grazing can alter the stable state of a cheatgrass community
High Intensity grazing can reduce seed bank densities
Integrated weed management practices such as herbicide and burning could be used with grazing
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Study Cont. Cost Effectiveness The creation of fuel breaks with livestock grazing or
herbicides may be an effective way to not only protect remnant native vegetation but also prepare seed beds for revegetation. The economic impacts of these changes, in terms of fire suppression and rehabilitation are great, and thus, management techniques must be evaluated for their cost effectiveness
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Conclusion
Create firebreaks using cattle to reduce fine fuels Creates barriers to better contain fires within a largescale
cheatgrass dominated area Utilize existing resources (cattle) to reduce cost of
implementing fire breaks and rehabilitation Rehabilitate individual “pastures” in phases using hearty/fire
resilient vegetation. Ultimately create fire resilient vegetation communities to
reduce cost of fire containment in areas of frequent fire occurrence Use cattle as the primary tool in the restoration process
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Questions