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Creator:: Sharp, Lee Ajax
Abstract:: Land useable for livestock grazing in the western United States is diminishing because of spreading municipalities, irrigation developments, highway construction, recreational demands and withdrawals. Concurrently, the demand for livestock and livestock products is increasing because of a rapidly growing population. As a result, production from the grazing land that remains...
Resource Type:: Dissertation
Full Text:: to the many people who assisted in the progress of this investigation. To Dr. C. E. Poulton

Creator:: Hall, Frederick C.
Abstract:: The study was conducted on the Ochoco National Forest in central Oregon. Vegetation-soil relationships were evaluated for the following objectives: 1. Develop a sound ecological foundation on which total land management decisions may be based. 2. Evaluate forest succession, stocking, and growth to improve management. 3. Develop accurate range condition...
Resource Type:: Dissertation
Full Text:: Appendix . C. D. Appendix E. Appendix F. Appendix G. Page 160 Average and range in tree

Creator:: Bailey, Arthur Wesley, 1938-
Abstract:: Forest associations, secondary succession, and relationships of plant communities to Roosevelt elk were investigated. Stratification of vegetation into ecological units and an understanding of secondary succession by habitat-type were a necessary first step in investigations into browsing of conifers by elk. The study was jointly conducted by the Oregon State...
Resource Type:: Dissertation
Full Text:: inspira- tion and encouragement given by Dr. Charles E. Poulton, major professor. His enthusiasm

Creator:: Turner, Robert Bruce
Abstract:: Studies were conducted from 1962 to 1966 to investigate the effectiveness of several practices in manipulating medusahead (Taeniatherum asperum (Sim. ) Nevski) infested and/or dominated ecosystems by releasing competition in favor of perennial grasses. Several herbicide treatments were evaluated for selective control of medusahead and cheatgrass (Bromus tectorum L. )...
Resource Type:: Dissertation
Full Text:: author is deeply indebted to his Major Professor, Dr. Charles E. Poulton, whose inspiration and guidance

Creator:: Segura-Bustamante, Mariano
Resource Type:: Dissertation
Full Text:: (PURSH TRIDENTATA HDCjNTHESILV ER LAKE DEER WINTER RANGE, OREGON Abstract approved: C. E, Poulton

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