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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... Figure 1 .-- Study area locations in Oregon . Four. Blue Mountains Characteristic Mt. hemlock / grouse huckle- berry Mixed conifer / snowbrush - chinkapin Grand fir / big huckleberry Mean Range Mean Range Mean Range No. of plots 28 -- 15 ...
... Figure 1 .-- Study area locations in Oregon . Four. Blue Mountains Characteristic Mt. hemlock / grouse huckle- berry Mixed conifer / snowbrush - chinkapin Grand fir / big huckleberry Mean Range Mean Range Mean Range No. of plots 28 -- 15 ...
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... Figure 1 .-- Study area locations in Oregon . Four to seven plots were sampled in the vicinity of each dot . Table 2 -- Average stocking percentage and number per acre. Jefferson Deschutes Klamath Wallowa Umatilla Oregon baldhip rose ...
... Figure 1 .-- Study area locations in Oregon . Four to seven plots were sampled in the vicinity of each dot . Table 2 -- Average stocking percentage and number per acre. Jefferson Deschutes Klamath Wallowa Umatilla Oregon baldhip rose ...
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... Figure 2 .-- Relationship of 1 - milacre - stocking percent to total number of trees per acre for all 43 plots in the eastern Cascades . The minimum level curve indicates the expected relationship if there were no more than one tree per ...
... Figure 2 .-- Relationship of 1 - milacre - stocking percent to total number of trees per acre for all 43 plots in the eastern Cascades . The minimum level curve indicates the expected relationship if there were no more than one tree per ...
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... Figure 3 .-- In the eastern Cascades , estab- lishment of planted ponderosa pine de- creased as elevation increased : A -- In stocked milacres ; B -- in number of trees per acre . 1 0 1,219 1,372 1,524 4,000 4,500 5,000 1,676 5,500 ...
... Figure 3 .-- In the eastern Cascades , estab- lishment of planted ponderosa pine de- creased as elevation increased : A -- In stocked milacres ; B -- in number of trees per acre . 1 0 1,219 1,372 1,524 4,000 4,500 5,000 1,676 5,500 ...
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... is intermingled with ponderosa pine ( Pinus ponderosa Laws . ) , sugar pine ( Pinus lambertiana Dougl . ) , and incense - cedar ( Libocedrus decurrens Torr . ) characteristic. Figure 1 .-- Map of Coyote Creek Experimental Watersheds . 2.
... is intermingled with ponderosa pine ( Pinus ponderosa Laws . ) , sugar pine ( Pinus lambertiana Dougl . ) , and incense - cedar ( Libocedrus decurrens Torr . ) characteristic. Figure 1 .-- Map of Coyote Creek Experimental Watersheds . 2.
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