Prescribed Fire Opportunities in Grasslands Invaded by Douglas-fir: State-of-the-art GuidelinesU.S. Department of Agriculture, Forest Service, Intermountain Research Station, 1986 - Fire ecology - 19 pages |
Common terms and phrases
1Trees 2Trees less absence of fire Addition of sagebrush aspen Basal area Ft2/acre bitterbrush bluebunch wheatgrass bunchgrass Bushey chokecherry conifer competition Cover percent curlleaf mountain-mahogany Deerlodge National Forest Douglas-fir seedlings duff fall burning feet high fescue habitat type fire intensity flammability Fuel loading lb/acre Grass and litter grass fuel grasslands invaded Herb and shrub herbaceous plants herbaceous vegetation Idaho fescue invaded by Douglas-fir Kind of Fire.-A litter Live shrub livestock lodgepole pine mi/h mineral soil Missoula Montana mountain big sagebrush pinegrass preburn levels prescribed burning prescribed fire PRESCRIPTION CONSIDERATIONS Resource prescription factors productivity of herbaceous rabbitbrush regeneration relative humidities RESPONSE POTENTIAL Richardson needlegrass rough fescue sapling/pole stage sapling2 No./acre seed Seedling and sapling2 seral grasslands Shrub cover snowbrush ceanothus sparse fuels species Spring burns squaw currant Strip head fires support fire spread sustained fire spread trees unburned areas ungulates VEGETATION CHARACTERISTICS Situation VEGETATION TREND western yarrow wildfire wildlife windspeed