fire regimes and successional dynamics of yellow pine (pinus) stands in the central appalachian...
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Background to Fire History from Tree RingsTRANSCRIPT
Fire Regimes and Successional Dynamics of Yellow Pine (Pinus) Stands in the Central Appalachian Mountains
Charles W. LafonCharles W. LafonDepartment of Geography, Texas A&M UniversityDepartment of Geography, Texas A&M University
Henri D. Grissino-MayerHenri D. Grissino-MayerDepartment of Geography, University of TennesseeDepartment of Geography, University of Tennessee
Elaine K. SutherlandElaine K. SutherlandRocky Mountain Research Station, USDA Forest ServiceRocky Mountain Research Station, USDA Forest Service
Steve Q. CroySteve Q. CroyGeorge Washington and Jefferson National ForestsGeorge Washington and Jefferson National Forests
Georgina D. WightGeorgina D. WightDepartment of Geography, University of TennesseeDepartment of Geography, University of Tennessee
Serena R. AldrichSerena R. AldrichDepartment of Geography, Texas A&M UniversityDepartment of Geography, Texas A&M University
Research funding provided by theResearch funding provided by theNational Interagency Fire Center,National Interagency Fire Center,
Joint Fire Science Program (JFSP)Joint Fire Science Program (JFSP)
Justification
Background to Fire History from Tree Rings
Background to Fire History from Tree Rings
Background to Fire History from Tree Rings
Background to Fire History from Tree Rings
Background to Fire History from Tree Rings
Background to Fire History from Tree Rings
Climate Drivers of Wildfires
Location of Brush Mountain Study Site
Margaret M. Moore, Connie A. Woodhouse, John Kush, Wally Covington, Tim PlumbSally P. Horn, Laurie Huckaby, Elaine K. Sutherland, Henri D. Grissino-Mayer, Richard Kerr
Preliminary Fire History (1993 study)
Preliminary Age Structure (1993 study)
Between 1850—1950, fires were frequent, occurring on Between 1850—1950, fires were frequent, occurring on average once every 10 yrs.average once every 10 yrs.
Major fire events (determined by the number of Major fire events (determined by the number of samples scarred) occurred in 1882, 1883, 1893, 1900, samples scarred) occurred in 1882, 1883, 1893, 1900, 1910, 1926, and 1934.1910, 1926, and 1934.
No major fire event since 1934 indicated increased fuel No major fire event since 1934 indicated increased fuel accumulations and possible changes in fire regimes.accumulations and possible changes in fire regimes.
Most 20Most 20thth fires occurred during years of severe fires occurred during years of severe droughts (PDSI < -2.0).droughts (PDSI < -2.0).
Establishment dates for most of our trees indicated Establishment dates for most of our trees indicated major regeneration pulse following a fire in 1853.major regeneration pulse following a fire in 1853.
Major Findings:
Current Research: Sites Sampled in 2003
Current Research: Sites Sampled in 2003Brush Mountain
Current Research: Sites Sampled in 2003Brush Mountain
Current Research: Sites Sampled in 2003Brush Mountain
Current Research: Sites Sampled in 2003North Mountain
Current Research: Sites Sampled in 2003North Mountain
Current Research: Sites Sampled in 2003North Mountain
Current Research: Sites Sampled in 2003Mill Mountain
Current Research: Sites Sampled in 2003Mill Mountain
Current Research: Sites Sampled in 2003Reddish Knob
Current Research: Sites Sampled in 2003Reddish Knob
Fire History: Brush Mountain (preliminary)
Fire History: North Mountain (preliminary)
Age-class Distribution for Trees on Brush Mountain
Age-class Distribution for Trees on Mill Mountain
Age-class Distribution for Trees on North Mountain
Thank You!