FIRE-BGC - A mechanistic ecological process model for simulating fire succession on coniferous forest landscapes of the Northern Rocky Mountains

Robert E. Keane; Penelope Morgan; Steven W. Running

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FIRE-BGC - A mechanistic ecological process model for simulating fire succession on coniferous forest landscapes of the Northern Rocky Mountains

Informally Refereed

Authors:

Robert E. Keane, Penelope Morgan, Steven W. Running

Year:

1996

Type:

Research Paper

Station:

Rocky Mountain Research Station

Source:

Res. Pap. INT-RP-484. Ogden, UT: U.S. Department of Agriculture, Forest Service, lntermountain Research Station. 122 p.

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Abstract

An ecological process model of vegetation dynamics mechanistically simulates longterm stand dynamics on coniferous landscapes of the Northern Rocky Mountains. This model is used to investigate and evaluate cumulative effects of various fire regimes, including prescribed burning and fire exclusion, on the vegetation and fuel complex of a simulation landscape composed of many stands. Detailed documentation of the model FIRE-BGC (a FIRE BioGeoChemical succession model) with complete discussion of all model parameters is followed with results of an application of the FIRE-BGC to a whitebark pine landscape in the Bob Marshall Wilderness Complex. Simulation results of several management scenarios are contrasted to predict the fate of whitebark pine over 200 years. Model testing reveals predictions within 10 to 30 percent of observed values.

Keywords

mechanistic model, simulation model, landscape modeling, fire, fire effects, fire regime, forest succession, vegetation dynamics, whitebark pine

Citation

Keane, Robert E.; Morgan, Penelope; Running, Steven W. 1996. FIRE-BGC - A mechanistic ecological process model for simulating fire succession on coniferous forest landscapes of the Northern Rocky Mountains. Res. Pap. INT-RP-484. Ogden, UT: U.S. Department of Agriculture, Forest Service, lntermountain Research Station. 122 p.