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Undergrowth Response to Fire
Fire Use Considerations
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Abies lasiocarpa absence of fire arnica Carex geyeri central Idaho climax conifer COOL FIRE crown fires dense Department of Agriculture dominated Douglas-fir Douglas-fir habitat types duff Engelmann spruce Fire Management Considerations FIRE SEVERE following fire forbs Forest and Range Forest Service forest succession fuel loads grand fir grass grassland h.t. Abies h.t. Pseudotsuga h.t. subalpine Idaho impervious to fire increase Intermountain limber pine lodgepole pine MODERATE SEVERITY moist Montana mountain pine beetle National Forest NUMBER occur Open Northern Rockies open stands phase Abies phase Pseudotsuga menziesii pinegrass ponderosa pine postfire prescribed fire Pseudotsuga menziesii regeneration Relatively impervious rhizomes role of fire Salmon Uplands seed seedlings seral species severe burns severe fire shrubs snags snowberry Southern Batholith Sprouts from surviving stand-destroying STAND-REPLACEMENT FIRE subalpine fir successional stages surviving root crown Susceptible to fire-kill U.S. Department undergrowth understory usually Vaccinium scoparium vegetation Wallowa-Seven Devils western whitebark pine wildfire wildlife woody fuel