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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Resultados 1-5 de 79
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... western Oregon . Leaves were collected in June when browsing was minimal and in September when utilization had begun . In general , the preferred September foliage had lower levels of moisture , acidity , crude protein , and total ...
... western Oregon . Leaves were collected in June when browsing was minimal and in September when utilization had begun . In general , the preferred September foliage had lower levels of moisture , acidity , crude protein , and total ...
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... western Washington and Oregon un- til early fall ( Brown 1961 , Crouch 1968 ) . Although many factors may be suspected of influencing this seasonal change in deer preference , it is likely that the major deciding factor is the changing ...
... western Washington and Oregon un- til early fall ( Brown 1961 , Crouch 1968 ) . Although many factors may be suspected of influencing this seasonal change in deer preference , it is likely that the major deciding factor is the changing ...
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... western Washington . Wash . Dep . Game , Biol . Bull . 13 , 124 p . Olympia , Wash . Crouch , G. L. 1968. Forage availability in relation to browsing of Douglas- fir seedlings by black - tailed deer . J. Wildl . Manage . 32 : 542-553 ...
... western Washington . Wash . Dep . Game , Biol . Bull . 13 , 124 p . Olympia , Wash . Crouch , G. L. 1968. Forage availability in relation to browsing of Douglas- fir seedlings by black - tailed deer . J. Wildl . Manage . 32 : 542-553 ...
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... Western States , and the Nation . Results of the research are made available promptly . Project headquarters are at : Anchorage , Alaska Fairbanks , Alaska Juneau , Alaska Bend , Oregon Corvallis , Oregon La Grande , Oregon Portland ...
... Western States , and the Nation . Results of the research are made available promptly . Project headquarters are at : Anchorage , Alaska Fairbanks , Alaska Juneau , Alaska Bend , Oregon Corvallis , Oregon La Grande , Oregon Portland ...
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... western slash fuel models would be better , one representing clearcut slash , the other partial cut slash . If the 5 - percent level of significance is used , separate clearcut slash loads should be used for Pacific Northwest clearcuts ...
... western slash fuel models would be better , one representing clearcut slash , the other partial cut slash . If the 5 - percent level of significance is used , separate clearcut slash loads should be used for Pacific Northwest clearcuts ...
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