Journal
FOREST ECOLOGY AND MANAGEMENT
Volume 258, Issue 9, Pages 2037-2045Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.foreco.2009.07.056
Keywords
Fire return interval; Standing age distribution; Simulation; Northeastern Ontario
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Long-term forest fire regime was simulated for the Moose River Forest Management Unit (FMU) in northeastern Ontario. The simulated area has not been managed for timber production and fire suppression activity has been minimal The available data included fire records for 1970-2006 and forest age structure from forest resource inventory completed in 1978 The fire regime was simulated using a simple percolation model driven by three parameters: probabilities of fire spread during low and high fire activity years and of a given year being a low fire activity year. The model successfully generated a long-term fire regime producing-age structure and 37-year-long fire records similar to those observed for the Moose River FMU. The simulation results suggest that (a) fire return interval in northeastern Ontario is likely Much shorter than indicated by estimates based exclusively on data from the last four decades of fire activity, and (b) it is possible that the fire regime in northeastern Ontario has not changed since mid-1800s but rather is characterized by relatively long periods of low incidence of fire interspersed with pulses of high fire activity. Crown Copyright (C) 2009 Published by Elsevier B V. All rights reserved
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