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Using FIA Data to Using FIA Data to Strategically Assess Fire Strategically Assess Fire Hazard and Management Hazard and Management Opportunities in Montana Opportunities in Montana and New Mexicoand New Mexico
Charles E. Keegan IIICharles E. Keegan IIIThe University of MontanaThe University of Montana
CooperatorsCooperators
The University of MontanaThe University of Montana– School of ForestrySchool of Forestry– BBERBBER
PNW Research StationPNW Research Station RM Research Station (IWFIA)RM Research Station (IWFIA)
OBJECTIVESOBJECTIVES
1.1. Describe current forest conditions in Describe current forest conditions in Montana and New MexicoMontana and New Mexico
2.2. Assess existing crown fire hazardAssess existing crown fire hazard
3.3. Evaluate effectiveness of fire hazard Evaluate effectiveness of fire hazard reduction treatmentsreduction treatments
4.4. Estimate treatment costs and revenueEstimate treatment costs and revenue
5.5. Evaluate future treatment effectivenessEvaluate future treatment effectiveness
FIAData
FormatEdit
Current Forest/Stand Conditions
(1)
FVSFFE
ApplyAlternative
Rx’s
Cost, Products & Value Model
Cut-Tree Stand Tables
Leave-Tree Stand Tables
Current Fire Hazard(2)
Costs (Revenues)/Acby Prescription
(4)
FVS30-yr
ProjectionFFE
Fire Hazard 30 Years Post-Treatment (5)
FFE
Fire Hazard Immediately Post-Treatment (3)
High & Mod. Hazard Stands
METHODS FLOW CHARTMETHODS FLOW CHART
Current Forest ConditionsCurrent Forest Conditions
Forest types & acreagesForest types & acreages
Tree densityTree density
Vertical stand structureVertical stand structure
Species compositionSpecies composition
Forest Types of Greatest ConcernForest Types of Greatest Concern
Ponderosa pinePonderosa pine Douglas-firDouglas-fir Dry lower-elevation mixed-coniferDry lower-elevation mixed-conifer
Because: near persons & property, Because: near persons & property, ecological changes due to fire suppression ecological changes due to fire suppression activities and past logging practices activities and past logging practices
Ecological ProblemsEcological Problems
Increased densityIncreased density
Continuous structure of ladder fuelsContinuous structure of ladder fuels
Changed species compositionChanged species composition
High35%
Low20%
Moderate45%
Total for forest types = 9.3 million acres
Fire Hazard for PP, DF, & DLMC ForestsFire Hazard for PP, DF, & DLMC Forests
Proposed TreatmentsProposed Treatments
Thin-from-belowThin-from-below focus on removing small treesfocus on removing small trees cut only trees dbh < 9” cut only trees dbh < 9” burn/dispose of slashburn/dispose of slash
ComprehensiveComprehensive focus on future stand’s ecological conditionfocus on future stand’s ecological condition thin-from-below & remove slash thin-from-below & remove slash stand improvement cutstand improvement cut selection cut in mid- & upper canopyselection cut in mid- & upper canopy
Percent of Treated Acres Rated Low Percent of Treated Acres Rated Low Hazard after TreatmentHazard after Treatment
73%73%90%90%ComprehensiveComprehensive
3%3%13%13%ThinThin--fromfrom--BelowBelow
% Of treated acres % Of treated acres rated low hazardrated low hazard
30 years post30 years post--treatmenttreatment
% Of treated acres % Of treated acres rated low hazard rated low hazard postpost-- treatmenttreatmentTreatmentTreatment
Comprehensive Treatment Comprehensive Treatment Product RemovalsProduct Removals
Sawlogs & StudlogsSawlogs & Studlogs 1000 cubic feet per acre1000 cubic feet per acre 9 - 20+” dbh9 - 20+” dbh
PulpwoodPulpwood 300 cubic feet per acre300 cubic feet per acre 5 - 8” dbh5 - 8” dbh
Treatment Treatment
Pre-Pre-treatment treatment crowning crowning
indexindex
Post-Post-treatment treatment crowning crowning
indexindex
Net Net revenue/cost revenue/cost
per acreper acre
Thin-from-belowThin-from-below 2727 3434 --$664$664
ComprehensiveComprehensive 2626 8282 $624$624
Crowning Index and Revenue Crowning Index and Revenue Montana-StatewideMontana-Statewide
0
500,000
1,000,000
1,500,000
2,000,000
Cost/Revenue ($/acre)
Acr
es
With Pulp Market
Without Pulp Market
Net revenue for comprehensive treatment Net revenue for comprehensive treatment of PP, DF, & DLMC - 1997-1999 marketsof PP, DF, & DLMC - 1997-1999 markets
Moderate23%
High61%
Low16%
New Mexico Forestland by Fire HazardNew Mexico Forestland by Fire Hazard
Total forestland = 16.7 million acres
High61%
Low8%
Moderate31%
Total for forest types = 4.0 million acres
Fire Hazard for PP & DMC Forests in Fire Hazard for PP & DMC Forests in New MexicoNew Mexico
Treatment Treatment
Pre-Pre-treatment treatment crowning crowning
indexindex
Post-Post-treatment treatment crowning crowning
indexindex
Average net Average net revenue/cost revenue/cost
per acreper acre
Thin-from-belowThin-from-below 2121 4343 --$439$439
ComprehensiveComprehensive 2121 6161 $8$8
Average Crowning Index and Average Crowning Index and Revenue Per Acre Across New Revenue Per Acre Across New
MexicoMexico
Contacting Us Contacting Us
• Phone: (406) 243-5113
• Email: [email protected] [email protected]
• Internet:www.BBER.umt.edu
