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 |
Dentro del libro
Resultados 1-5 de 68
Página 1
... estimated by heating in platinum crucibles at 500 ° - 550 ° C for 4 hours . Hydrogen - ion concentration ( pH ) was determined with glass electrode on aqueous extracts obtained by homogenizing fresh tissue in recently boiled distilled ...
... estimated by heating in platinum crucibles at 500 ° - 550 ° C for 4 hours . Hydrogen - ion concentration ( pH ) was determined with glass electrode on aqueous extracts obtained by homogenizing fresh tissue in recently boiled distilled ...
Página 5
... estimated here as total phenols , have been shown to reduce palata- bility and digestibility of some plants in ruminants ( Wilkins et al . 1953 , Donnelly and Anthony 1973 ) ; and their great decline in September could very well account ...
... estimated here as total phenols , have been shown to reduce palata- bility and digestibility of some plants in ruminants ( Wilkins et al . 1953 , Donnelly and Anthony 1973 ) ; and their great decline in September could very well account ...
Página
... ESTIMATES FUEL LOAD PARAMETERS FINE FUEL SURFACE AREA - TO - VOLUME RATIO . FUEL BED DEPTH GENERAL PARAMETER VALUES FUEL MODEL PERFORMANCE DISCUSSION . . CONCLUSIONS AND SUMMARY LITERATURE CITED 1 1 2 4 7 8 9 10 11 . 13 15 . 16 ...
... ESTIMATES FUEL LOAD PARAMETERS FINE FUEL SURFACE AREA - TO - VOLUME RATIO . FUEL BED DEPTH GENERAL PARAMETER VALUES FUEL MODEL PERFORMANCE DISCUSSION . . CONCLUSIONS AND SUMMARY LITERATURE CITED 1 1 2 4 7 8 9 10 11 . 13 15 . 16 ...
Página 1
... estimates . Furthermore , the number of models Deeming , J. E. , and J. K. Brown . 1972. Fuel models of the National Fire Danger Rating System . USDA For . Serv . Rocky Mountain For . and Range Exp . Stn . , Fort Collins , Colo ...
... estimates . Furthermore , the number of models Deeming , J. E. , and J. K. Brown . 1972. Fuel models of the National Fire Danger Rating System . USDA For . Serv . Rocky Mountain For . and Range Exp . Stn . , Fort Collins , Colo ...
Página 2
... estimates of parameter values were selected . The selected values were then compared to the NFDRS values . The resulting recommendation was based upon ( 1 ) the difference between the selected value and the NFDRS value , and ( 2 ) the ...
... estimates of parameter values were selected . The selected values were then compared to the NFDRS values . The resulting recommendation was based upon ( 1 ) the difference between the selected value and the NFDRS value , and ( 2 ) the ...
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