Ellis Q. Margolis

Contact Info

University of Arizona Laboratory of Tree-Ring Rese...
105 W. Stadium
Tucson , Arizona 85721, United States

Publications in Fire Ecology

Historical Stand-Replacing Fire in Upper Montane Forests of the Madrean Sky Islands and Mogollon Plateau, Southwestern USA
Pages: 88-107
DOI: 10.4996/fireecology.0703088

The recent occurrence of large fires with a substantial stand-replacing component in the southwestern United States (e.g., Cerro Grande, 2000; Rodeo-Chedeski, 2002; Aspen, 2003; Horseshoe 2, Las Conchas, and Wallow, 2011) has raised questions about the historical role of stand-replacing fire in the region. We reconstructed fire dates and stand-replacing fire patch sizes using four lines of tree-ring evidence at four upper montane forest sites (>2600 m) in the Madrean Sky Islands and Mogollon Plateau of Arizona and New Mexico, USA.  [Read More]

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Quaking Aspen Regeneration following Prescribed Fire in 
Lassen Volcanic National Park, California, USA

Pages: 14-26
DOI: 10.4996/fireecology.1003014

Prescribed fire is commonly used for restoration, but the effects of reintroducing fire following a century of fire exclusion are unknown in many ecosystems. We assessed the effects of three prescribed fires, native ungulate browsing, and conifer competition on quaking aspen (Populus tremuloides Michx.) regeneration in four small groves (0.5 ha to 3.0 ha) in Lassen Volcanic National Park, California, USA, over an 11 yr period. The effects of fire on aspen regeneration density and height were variable within and among sites.  [Read More]

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