Index Catalog // ScholarsArchive@OSU

Ecological effects of post-wildfire management activities (salvage-logging and grass-seeding) on vegetation composition, diversity, biomass, and growth and survival of Pinus ponderosa and Purshia tridentata

Creator:: Sexton, Timothy Ogden
Abstract:: Salvage-logging and artificial seeding of grass following wildfire are common practices in coniferous forests of the western United States, yet few studies have quantified the ecological effects of these post-fire activities. The effects of post-wildfire salvage-logging and grass-seeding on vegetation composition, aboveground biomass, and growth and survival of Pinus ponderosa...
Resource Type:: Masters Thesis

The influence of cow age on grazing distribution and utilization of mountain riparian areas and adjacent uplands

Creator:: Morrison, Julie A.
Abstract:: The objective of this study was to evaluate the influence of cow age on grazing distribution relative to mountain riparian areas. In each of two years, sixty cow-calf pairs were stratified by age into the following treatments: 1) thirty first calf heifers (442 kg, body condition score (BCS)=4.5), and 2)...
Resource Type:: Masters Thesis

Effects of wood species and prior fungal exposure on the feeding habits of the dampwood termite Zootermopsis angusticollis

Creator:: Mankowski, Mark Edward
Abstract:: The effects of natural preconditioning (source wood), wood species, and previous exposure of wood to two types of fungi on the feeding rates and protozoa survival in the Pacific dampwood termite Zootermopsis angusticollis (Isoptera: Termospidae) were examined under laboratory conditions. Termites were exposed to four wood species that had been...
Resource Type:: Masters Thesis
Full Text:: Termite Zootermopsis angusticollis Abstract approved: Timothy . Schowalter The effects of natural

Host selection and wood channelization by beetles in conifer logs in western Oregon

Creator:: Zhong, He
Abstract:: The host preferences and wood channelization rates of scolytid and cerambycid beetles were studied at the H. J. Andrews Experimental Forest (Lane County, Oregon) during 1986 and 1987. Attack density and gallery volumes were measured in fall-felled experimental logs of four major conifer species: Douglas-fir (Pseudotsuga mensiesii (Mirb.) Franco), western...
Resource Type:: Masters Thesis
Full Text:: Harmon, Dr. Rick Kelsey, Mr. Jay Sexton, Mr. Joseph Gladwin, Miss Anne Connelly, and Miss Holly Brown

Impact of insects on seed production in a Douglas-fir seed orchard in Oregon

Creator:: Dombrosky, Scott A.
Abstract:: The impact of various factors on seed production in a Douglas-fir (Pseudotsuga menziesii) seed orchard in western Oregon was examined by monitoring the fate of seeds in thirty cones, stratified into three crown levels, on each of ten trees during the 1984 growing season. Cones were examined monthly between April...
Resource Type:: Masters Thesis
Full Text:: ACKNOWLEDGEMENTS I would like to express my gratitude to my major professor, Dr. Timothy Schowalter, for his

Chilling and nutritional requirements of fruit trees in Yemen

Creator:: Alkoshab, Othman
Abstract:: A portion of this study was initiated to provide the basis for implementing a chill unit accumulation procedure in Yemen. Most continuous or daily minimum, maximum temperature models severely underestimated chilling units, and slight modifications offered little improvement for the complex models. Only the Crossa Raynaud formula approximated generally accepted...
Resource Type:: Dissertation
Full Text:: steering me into new heights of science and research is Dr. Timothy L. Righetti. He provided me with

The effects of exercise on physiological and psychological variables in cancer patients following clinical treatment

Creator:: Burnham, Timothy Robert
Abstract:: The treatment of certain types of cancers brings with it serious physiological and psychological side effects in cancer survivors, including: decreased aerobic capacity, muscle wasting, body composition changes, fatigue, and a diminished overall quality of life. Exercise may directly influence the physiological side effects of cancer and cancer treatment, and...
Resource Type:: Dissertation
Full Text:: Variables in Cancer Patients Following Clinical Treatment AN ABSTRAO OF THE DISSERTATION OF Timothy R

The bacteriophage P1 bof protein : a corepressor whose action can both negatively and positively affect phage gene expression

Creator:: Schaefer, Timothy S.
Resource Type:: Dissertation
Full Text:: Timothy S. Schaefer for the degree of Doctor of Philosophy in Microbiology presented on dune 13. 1991

Herbaceous vegetation in forests of the western United States : an annotated bibliography

Creator:: Loucks, Donna M. and Harrington, Timothy B.
Resource Type:: Technical Report
Full Text:: . Loucks Timothy B. Harrington College of Forestry Oregon State University OR HEO/F76/2 .2H41 c.3

Evaluation of alcohol education on attitude, knowledge and self-reported behavior of college students

Creator:: Sharmer, Laurel
Abstract:: This research was conducted to evaluate the effectiveness of two different types of alcohol education interventions on the attitudes about alcohol consumption in college, knowledge about alcohol, and self-reported alcohol consumption behavior of college students. The educational interventions were a student-centered CD-Rom interactive program, and a teacher-centered motivational speaker. Each...
Resource Type:: Dissertation
Full Text:: learned more than I ever thought possible; and the chairs of my committee, Dr. Timothy White, for his

ScholarsArchive@OSU

Ecological effects of post-wildfire management activities (salvage-logging and grass-seeding) on vegetation composition, diversity, biomass, and growth and survival of Pinus ponderosa and Purshia tridentata

The influence of cow age on grazing distribution and utilization of mountain riparian areas and adjacent uplands

Effects of wood species and prior fungal exposure on the feeding habits of the dampwood termite Zootermopsis angusticollis

Host selection and wood channelization by beetles in conifer logs in western Oregon

Impact of insects on seed production in a Douglas-fir seed orchard in Oregon

Chilling and nutritional requirements of fruit trees in Yemen

The effects of exercise on physiological and psychological variables in cancer patients following clinical treatment

The bacteriophage P1 bof protein : a corepressor whose action can both negatively and positively affect phage gene expression

Herbaceous vegetation in forests of the western United States : an annotated bibliography

Evaluation of alcohol education on attitude, knowledge and self-reported behavior of college students

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