Site Index and Height Growth Curves for Managed, Even-aged Stands of White Or Grand Fir East of the Cascades in Oregon and Washington, Volúmenes246-260Collin 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 - 21 páginas |
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... percent . There was a decrease in moisture content as dry matter ac- cumulated during leaf maturation . Consequently ... 50 percent was the greatest noted among the leaf components which declined during the growing season . The reduced ...
... percent . There was a decrease in moisture content as dry matter ac- cumulated during leaf maturation . Consequently ... 50 percent was the greatest noted among the leaf components which declined during the growing season . The reduced ...
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... percent changes in the variable resulting from a 10 - percent change in the ... 50 degrees with a windspeed of 8.0 kilometers per hour . A standard computer ... percent . The sensitivity of the fire model to the 10 - percent change in ...
... percent changes in the variable resulting from a 10 - percent change in the ... 50 degrees with a windspeed of 8.0 kilometers per hour . A standard computer ... percent . The sensitivity of the fire model to the 10 - percent change in ...
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... percent level . Table 6 -- Mean , standard deviation , and selected. Treatments F ( DF ) 1 / Significance level ( percent ) 1 - hour fuels Thinning vs. partial cut 1.19 ( 1 , 50 ) NS2 / Clearcut vs. partial cut 24.96 ( 1 , 22 ) PNW ...
... percent level . Table 6 -- Mean , standard deviation , and selected. Treatments F ( DF ) 1 / Significance level ( percent ) 1 - hour fuels Thinning vs. partial cut 1.19 ( 1 , 50 ) NS2 / Clearcut vs. partial cut 24.96 ( 1 , 22 ) PNW ...
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... 50 % SD 67 % 50 % SD 67 % 50 % SD 67 % 2 Kilograms / meter Clearcut 0.545 Partial cut Natural .260 0.242 0.167 .119 ... percent to the 1 - hour fuel loads and make up 63.4 percent of the total 1 - hour fuel load in partial and clearcut ...
... 50 % SD 67 % 50 % SD 67 % 50 % SD 67 % 2 Kilograms / meter Clearcut 0.545 Partial cut Natural .260 0.242 0.167 .119 ... percent to the 1 - hour fuel loads and make up 63.4 percent of the total 1 - hour fuel load in partial and clearcut ...
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... percent change in the fire model behavior predictions . The current value of ... 50 fraction odw . The relationship is expressed by the regression equation M ... percent . Given the standard error of the regression at 0.08 , we do not ...
... percent change in the fire model behavior predictions . The current value of ... 50 fraction odw . The relationship is expressed by the regression equation M ... percent . Given the standard error of the regression at 0.08 , we do not ...
Términos y frases comunes
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