Site Index and Height Growth Curves for Managed, Even-aged Stands of White Or Grand Fir East of the Cascades in Oregon and Washington, Volumes 246-260Collin D. Bevins, Donald L. Reukema, John Neisess, Kenneth W. Seidel, M. A. Radwan, P. H. Cochran, Paul E. Aho, R. Dennis Harr, Richard E. Miller Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1978 - Browse - 21 pages |
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Page 3
... variables of rate of spread , fireline intensity , and flame length . Subsequent runs of FIREMOD were made altering a single input parameter's baseline value by plus or minus 10 percent . The sensitivity of the fire model to the 10 ...
... variables of rate of spread , fireline intensity , and flame length . Subsequent runs of FIREMOD were made altering a single input parameter's baseline value by plus or minus 10 percent . The sensitivity of the fire model to the 10 ...
Page 11
... variable dependent upon the fuel array properties . The Mx values that give good agreement between predicted and observed fire spread behavior on 16 experimental slash fires have been found to be posi- tively correlated with the fuel ...
... variable dependent upon the fuel array properties . The Mx values that give good agreement between predicted and observed fire spread behavior on 16 experimental slash fires have been found to be posi- tively correlated with the fuel ...
Page 1
... variable , depending upon site , logging history , insect and disease attacks , and wildfire . Within the broad , general area classified as mixed conifer forests , a number of forest zones are recognized based on the single species ...
... variable , depending upon site , logging history , insect and disease attacks , and wildfire . Within the broad , general area classified as mixed conifer forests , a number of forest zones are recognized based on the single species ...
Page 4
... variables . Individual sample points were re- jected if conditions such as stream- beds , marshs , swamps , active ... variables , stepwise multiple regression procedures were used to fit linear equations of the form Y = bo + b1x1 + b2X2 ...
... variables . Individual sample points were re- jected if conditions such as stream- beds , marshs , swamps , active ... variables , stepwise multiple regression procedures were used to fit linear equations of the form Y = bo + b1x1 + b2X2 ...
Page 11
... variables appeared in the equations . In the mountain hemlock clearcuts , both grass and forbs have a consistent negative relationship to stocking of all species or classes ; in other words , the more grass or forbs present the less ...
... variables appeared in the equations . In the mountain hemlock clearcuts , both grass and forbs have a consistent negative relationship to stocking of all species or classes ; in other words , the more grass or forbs present the less ...
Common terms and phrases
100 largest trees 50 percent atrazine average basal area Blue Mountains board-foot breast-high age calibration Cascade Range clearcuts conifer dead tops decay density diameter Douglas-fir equations estimated Forest and Range Forest Service fuel load fuel model grand fir height growth curves illus inches increases lodgepole pine logging mineral soil mixed conifer mountain hemlock National Forest natural regeneration NFDRS number of trees Oreg Oregon Pacific Northwest Pacific Northwest Forest partial cut peak flow percent of roadless planted ponderosa pine Portland postlogging programed harvest Range Exp Range Experiment Station reallocation regression road roadless area withdrawn sample seed seedlings Siskiyou National Forest slope spacing species Stocking percent streamflow study area study Forests subplots timber base timber harvest top-kill treatment period trees per acre tussock moth U.S. Department Umatilla Umatilla National Forest USDA values variables volume Washington watershed western white or grand Willamette National Forest