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Home FIRESUM--an ecological process model for fire succession in western conifer forests .

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Title	FIRESUM--an ecological process model for fire succession in western conifer forests.
Creator	Keane, Robert E.
Contributor	Arno, Stephen F. ;<br> Brown, James K. (James Kerr), 1938-
Description	A successional process model has been developed to simulate long-term stand dynamics in forests of the Northern Rockies. The model can be used to evaluate fire effects differences for various fire regimes, including prescribed burning at different intervals, complete fire exclusion (fire suppression), and pre-1900 fire frequencies. The model, FIRESUM (a FIRE SUcceession Model), simulates tree establishment, growth, and mortality, along with live and dead fuel accumulation, fire behavior, and fuel reduction on a 400-square-meter plot. The following influences on tree establishment and growth are included in the model: growing season warmth, water stress, light tolerance, and site quality. The model predicts basal area by species, duff and fuel accumulation, and fire intensities. All model algorithms are discussed, and corresponding parameters for several tree species are presented. The model is continually being tested and verified. Recent test results show FIRESUM underpredicts basal area by an average of 10 to 20 percent. A sensitivity analysis of FIRESUM showed that parameters associated with the growth algorithm are most critical. The model was designed so that it could be applied to different forest types with minimal modification of the computer code.
Publisher	Ogden, UT (324 25th St., Ogden 84401) : U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, [1989]
Subject	Fire ecology - - West (U.S.) - - Computer simulation. ; <br> Prescribed burning - - West (U.S.) - - Computer simulation. ; <br> Forest fire - - Environmental aspects - - West (U.S.) - - Computer simulation.
Relation	General technical report INT ; 266
Source	A 13.88:INT-266
Date Original	1989-09-01
Date Digital	2007;
Type	text
Format	application/pdf
Resource Identifier	mtg002184
Contributing Institution	The University of Montana
Language	en
Digitization Specifications	Scanned by Lacey Gibbons using an OpticBook 3600 scanner at 400 dpi, 8 bit gray scale. Master images stored as TIFF and derivatives presented as PDF. Abbey FineReader 8.0 used for optical character recognition.

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