Index Catalog // ScholarsArchive@OSU

Creator:: Riggs, Robert A., Tiedemann, Arthur R., Cook, John G., Ballard, Teena M., Edgerton, Paul J., Vavra, Martin, Krueger, William C., Hall, Frederick C., Bryant, Larry D., Irwin, Larry L., and Delcurto, Timothy
Abstract:: Secondary plant succession and the accumulation of biomass and nutrients were documented at seven ruminant exclosures in Abies and Pseudotsuga forests variously disturbed by logging, burning, and grass seeding. Long-term (25 or more years) foraging by Rocky Mountain mule deer (Odocolleus hemionus) and Rocky Mountain elk (Genius elaphus) suppressed the...
Resource Type:: Technical Report

Creator:: Kauffman, John Boone, Krueger, William C. (William Clement), 1942-, Vavra, Martin, and Oregon State University. Agricultural Experiment Station
Abstract:: A multitude of biotic and physical factors, many of them unique to riparian environments, interacted to form an extremely complex ecosystem along Catherine Creek in the Wallowa Mountains. A total of 258 stands of vegetation representing 60 communities was identified. At least 20 species of mammals and 81 species of...
Resource Type:: Technical Report

Creator:: Svejcar, Tony and Vavra, Martin
Abstract:: Seasonal trends in forage quality and production were studied on improved and unimproved portions of four plant communities in eastern Oregon. The range improvements consisted of seeding and/or thinning. Improvement doubled forage production on the lodgepole pine site (thinned but not seeded), tripled production on the grassland and moist meadow...
Resource Type:: Technical Report

Creator:: Pumphrey, F. V. (Floyd Vance), DelCurto, Timothy, Vavra, Martin, Oregon State University. Agricultural Experiment Station, and Eastern Oregon Agricultural Research Center
Abstract:: Published October 2001. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report

Creator:: Sneva, Forrest, Britton, Carlton M., Mayland, H. F., Buckhouse, John, Evans, Raymond A., Young, James A., and Vavra, Martin
Abstract:: Field and laboratory studies were conducted on volcanic ash from Yakima, Moses Lake, Spokane, Washington, and Moscow, Idaho, three weeks after the May 18, 1980, eruption of Mt. St. Helens in southwestern Washington. These studies examined 1) the chemical, physical, and water retentivity properties of the ash, 2) the effect...
Resource Type:: Technical Report

Creator:: Phillips, Ralph L., Vavra, Martin, and Oregon State University. Agricultural Experiment Station
Abstract:: Published April 1980. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report

Creator:: Phillips, Ralph L., Holechek, Jerry, Vavra, Martin, and Oregon State University. Agricultural Experiment Station
Abstract:: Published May 1980. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report

Creator:: Vavra, Martin and Oregon State University. Agricultural Experiment Station
Abstract:: Published January 1978. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report

Creator:: Wing, Mark, Phillips, Ralph L., Vavra, Martin, and Oregon State University. Agricultural Experiment Station
Abstract:: Published February 1977. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report

Creator:: McArthur, J. A. B., Vavra, Martin, and Oregon State University. Agricultural Experiment Station
Abstract:: Published December 1973. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report

ScholarsArchive@OSU