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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... species from June to September . KEYWORDS : Browse preference , foliar analysis , phenols , deer ( black - tailed ) , Odocoileus hemonius columbianus , Alnus rubra . RESEARCH SUMMARY Research Paper PNW - 246 1978 Selected chemical ...
... species from June to September . KEYWORDS : Browse preference , foliar analysis , phenols , deer ( black - tailed ) , Odocoileus hemonius columbianus , Alnus rubra . RESEARCH SUMMARY Research Paper PNW - 246 1978 Selected chemical ...
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... species ? The approach used in the study was to collect all data available from the western National Forests on each parameter to obtain an esti- mate of the population distribution of that parameter . The means and variances of these ...
... species ? The approach used in the study was to collect all data available from the western National Forests on each parameter to obtain an esti- mate of the population distribution of that parameter . The means and variances of these ...
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... species as tabulated below . r values 1.34 Species Lodgepole pine ( Pinus contorta Dougl . ) Douglas - fir 2.25 ( Pseudotsuga menziesii ( Mirb . ) Franco ) Western hemlock ( Tsuga heterophylla ( Raf . ) Sarg . ) Average 1.59 1.73 The ...
... species as tabulated below . r values 1.34 Species Lodgepole pine ( Pinus contorta Dougl . ) Douglas - fir 2.25 ( Pseudotsuga menziesii ( Mirb . ) Franco ) Western hemlock ( Tsuga heterophylla ( Raf . ) Sarg . ) Average 1.59 1.73 The ...
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... species Brown and Roussopoulos ( 1974 ) . 3 / Bevins ( 1978 ) . the weighting method used , the small difference between the selected and NFDRS values , and the resolution required by the System , we feel that the current NFDRS value of ...
... species Brown and Roussopoulos ( 1974 ) . 3 / Bevins ( 1978 ) . the weighting method used , the small difference between the selected and NFDRS values , and the resolution required by the System , we feel that the current NFDRS value of ...
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... species 1 / Adjusted from high to low value by subtracting 5 434 joules / gm . Table 10 -- Suggested values for clearcut and partial cut. Bulk depth Fuel type Highest intersect Standard deviation Estimated bulk depth mean mean 67th ...
... species 1 / Adjusted from high to low value by subtracting 5 434 joules / gm . Table 10 -- Suggested values for clearcut and partial cut. Bulk depth Fuel type Highest intersect Standard deviation Estimated bulk depth mean mean 67th ...
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