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    Author(s): Andrew M. Barton
    Date: 2005
    Source: Gottfried, Gerald J.; Gebow, Brooke S.; Eskew, Lane G.; Edminster, Carleton B., comps. Connecting mountain islands and desert seas: biodiversity and management of the Madrean Archipelago II. Proc. RMRS-P-36. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station: 455-459
    Publication Series: Proceedings (P)
    Station: Rocky Mountain Research Station
    PDF: View PDF  (242 KB)

    Description

    In Madrean pine-oak forests in the Chiricahua Mountains, surface fire favors pines, which exhibit high top-survival, but resprouting allows oaks to rebound during inter-fire periods. These patterns plus age structure and radial growth data suggest that frequent presettlement surface fire maintained open stands, promoted a high pine:oak ratio, and excluded less fire resistant species—patterns reversed by a century of reduced fire. Recent anomalous stand-replacing crown fires have further transformed some stands: most oaks resprouted but pine establishment was sparse, exacerbated by a protracted drought. This synthesis argues for the careful and flexible use of fire to restore more open pine-oak stands.

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    Citation

    Barton, Andrew M. 2005. Madrean pine-oak forest in Arizona: altered fire regimes, altered communities. Gottfried, Gerald J.; Gebow, Brooke S.; Eskew, Lane G.; Edminster, Carleton B., comps. Connecting mountain islands and desert seas: biodiversity and management of the Madrean Archipelago II. Proc. RMRS-P-36. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station: 455-459

    Keywords

    Pinus, Quercus, fires, crown fires, fire regimes, stand structure, age, drought, restoration, Arizona

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