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 5
... Construction During the summer of 1970 , a system of permanent roads was constructed to provide access for logging ... construction operations were completed before October 1 , 1970 . Figure 4 .-- Newly constructed road with mulched ...
... Construction During the summer of 1970 , a system of permanent roads was constructed to provide access for logging ... construction operations were completed before October 1 , 1970 . Figure 4 .-- Newly constructed road with mulched ...
Page 9
... CONSTRUCTION-- --- TIMBER HARVEST --- 2 O -2 STREAMFLOW DEVIATION FROM PREDICTED ( IN ) +14 +12 བྷཱུ +10 +8 96 1 2 O -2 1964 1968 1972 1974 1976 WATER YEARS harvest cannot be separated from those caused by road building 9 18.
... CONSTRUCTION-- --- TIMBER HARVEST --- 2 O -2 STREAMFLOW DEVIATION FROM PREDICTED ( IN ) +14 +12 བྷཱུ +10 +8 96 1 2 O -2 1964 1968 1972 1974 1976 WATER YEARS harvest cannot be separated from those caused by road building 9 18.
Page 11
... CONSTRUCTION- ---- LOGGING --- 0.05 PREDICTION LIMIT 15 By AEREAST 2 4 ་ 6 ∞ O 2 4 O STREAMFLOW DEVIATION FROM PREDICTED ( IN ) 1964 65 66 67 68 69 1970 71 72 73 74 75 76 WATER YEARS Figure 7 .-- Changes in seasonal streamflow after ...
... CONSTRUCTION- ---- LOGGING --- 0.05 PREDICTION LIMIT 15 By AEREAST 2 4 ་ 6 ∞ O 2 4 O STREAMFLOW DEVIATION FROM PREDICTED ( IN ) 1964 65 66 67 68 69 1970 71 72 73 74 75 76 WATER YEARS Figure 7 .-- Changes in seasonal streamflow after ...
Page 27
... curves pro- vide valid estimates of site index and potential height growth of the tallest trees for stands where height growth has not been retarded by high density or Contents INTRODUCTION METHODS . Data Collection . • Curve Construction.
... curves pro- vide valid estimates of site index and potential height growth of the tallest trees for stands where height growth has not been retarded by high density or Contents INTRODUCTION METHODS . Data Collection . • Curve Construction.
Page 29
... Construction RESULTS . • · ESTIMATING SITE INDEX . ESTIMATING THE COURSE OF HEIGHT GROWTH FOR STANDS OF A GIVEN SITE QUALITY APPLICATION . LITERATURE CITED APPENDIX · • Site Index Curve Construction . Height Growth Curve Construction 1 ...
... Construction RESULTS . • · ESTIMATING SITE INDEX . ESTIMATING THE COURSE OF HEIGHT GROWTH FOR STANDS OF A GIVEN SITE QUALITY APPLICATION . LITERATURE CITED APPENDIX · • Site Index Curve Construction . Height Growth Curve Construction 1 ...
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