Roger Walker


Photo of Roger Walker
Dr. Roger Walker, Ph.D.

Professor

Department of Natural Resources and Environmental Science
University of Nevada/Mail Stop 186
1664 North Virginia Street
Reno,  Nevada   89557

Office: (775) 784-4039
Email: walker@cabnr.unr.edu
Building: Knudtsen Resource Center,  Office 122

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EDUCATION

B.S. University of Georgia, 1977
M.S. University of Tennessee, 1980
PhD. University of Tennessee, 1982

REPRESENTATIVE PUBLICATIONS

Journals
Walker, R. F., Fecko, R. M., Johnson, D. W., Miller, W. W. 2016, Elemental Ratios in Foliage and Soil of a Jeffrey Pine Stand Subjected to Thinning and Burning Restoration Practices., Journal of Forest Research, 5, 180  
Swim, S. L., Walker, R. F., Johnson, D. W., Fecko, R. M., Miller, W. W. 2016, Long-term forest floor fuels accumulations in Sierran mixed conifer subjected to forest restoration treatments., Journal of Forest Research, 5, 134.  
Walker, R. F., Fecko, R. M., Johnson, D. W., Miller, W. W. 2016, Mechanized Thinning, Prescribed Fire, and Needle Age Influences on the Mineral Nutrition of Jeffrey Pine: Elemental Concentrations in Foliage and Soil., Journal of Forest Research, 5, 172  
Walker, R. F., Swim, S. L., Johnson, D. W., Miller, W. W. 2016, Recovery Status of a Sierra Nevada Forest Plant Community One-Half Century After Wildfire., Journal of Forest Research, 5, 181  
Walker, R. F., Swim, S. L., Fecko, R. M., Johnson, D. W., Miller, W. W. 2016, Responses of a Sierran Mixed Conifer Understory Plant Community to Over Story Thinning, Slash Mastication and Prescribed Fire Restoration Treatments., Journal of Forest Research, 5, 167  
Walker, R. F., Susfalk, R. B., Johnson, D. W. 2016, Root System Development of Juvenile Ponderosa Pine as Influenced by Soil Type and Nutritional Augmentation., Journal of Forest Research, 5, 187  
Walker, R. F., Swim, S. L., Fecko, R. M., Johnson, D. W., Miller, W. W. 2015, Bark Beetle Demography in Sierra Nevada Mixed Conifer: Variability and Influencing Factors., Journal of Forest Research, 4, 147  
Walker, R. F., Swim, S. L., Fecko, R. M., Johnson, D. W., Miller, W. W. 2015, Long-Term Growth of Sierra Nevada Mixed Conifer in Response to Mechanized Thinning, Slash Mastication, and Prescribed Fire., Journal of Forest Research, 4, 159  
Walker, R. F., Swim, S. L., Johnson, D. W., Miller, W. W., Fecko, R. M. 2014, Bark beetle demography in a Jeffrey pine stand as influenced by mechanized thinning and prescribed fire., Journal of Sustainable Forestry, 33, 627-676.  
Swim, S. L., Walker, R. F., Johnson, D. W., Fecko, R. M., Miller, W. W. 2014, Evaluation of mechanized thinning and prescribed fire effects on long-term fuels accumulations in uneven-aged Jeffrey pine., Journal of Sustainable Forestry, 33, 827-859.  
Walker, R. F., Swim, S. L., Fecko, R. M., Johnson, D. W., Miller, W. W. 2014, Influences of thinning and underburning restoration practices on red turpentine beetle demography in Jeffrey pine., Journal of Sustainable Forestry, 33, 677-727.  
Walker, R. F., Fecko, R. M., Johnson, D. W., Miller, W. W. 2014, Mineral nutrition in Sierra Nevada mixed conifer: Wildfire effects, species distinctions, and temporal variation., Journal of Sustainable Forestry, 33, 482-541.  
Walker, R. F., Fecko, R. M., Johnson, D. W., Miller, W. W. 2014, Water relations in Sierra Nevada mixed conifer: Wildfire effects and species distinctions., Journal of Sustainable Forestry, 33, 211-247.  
Salverson, W. G., Walker, R. F., Fecko, R. M., Frederick, W. B., Johnson, D. W., Miller, W. W. 2012, Influences of mechanized thinning and prescribed fire on understory vegetation in an uneven-aged Jeffrey pine stand., Journal of Sustainable Forestry, 30(8), 823-849.  
Walker, R. F., Fecko, R. M., Frederick, W. B., Miller, W. W., Johnson, D. W. 2012, Influences of thinning, chipping, and fire on understory vegetation in a Sierran mixed conifer stand., Journal of Sustainable Forestry, 31(6), 493-517.  
Johnson, D. W., Walker, R. F., Glass, D. W., Miller, W. W., Murphy, J. D., Stein, C. M. 2012, The effect of stone content on nutrients in a Sierra Nevada forest soil., Geoderma, 173, 84-93.  
Johnson, D. W., Walker, R. F., McNulty, M. M., Rau, B. M., Miller, W. W. 2012, The long-term effects of wildfire and post-fire vegetation on Sierra Nevada forest soils., Forests, 3, 398-416.  
Walker, R. F., Fecko, R. M., Frederick, W. B., Johnson, D. W., Miller, W. W. 2011, Fuel bed alterations by thinning, chipping, and prescription fire in a Sierra Nevada mixed conifer stand, Journal of Sustainable Forestry, 30, 284-300  
Walker, R. F. 2011, Nutritional augmentation of Jeffrey pine saplings on a harsh Sierran site, Journal of Sustainable Forestry, 30, 263-283  
Walker, R. F. 2011, Post-planting nutritional augmentation of Jeffrey pine seedlings on an infertile Sierran site, International Journal of Forestry Research, 2011, 1-11  
Reiner, A. L., Tausch, R. J., Walker, R. F. 2010, Estimation procedures for understory biomass and fuel loads in sagebrush steppe invaded by woodlands., Western North American Naturalist, 70, 312-322.  
Walker, R. F., Cheng, W., Johnson, D. W. 2010, Mycorrhization of ponderosa pine in a second growth Sierra Nevada forest., Western North American Naturalist, 70, 1-8.  
Walker, R. F. 2009, Advancing forest cover development on a high elevation Sierra Nevada mine site with nutritional amendments., Restoration Ecology, 16(3), 486-494.  
Fecko, R. M., Walker, R. F., Frederick, W. B., Miller, W. W., Johnson, D. W. 2008, Stem dimensional fluctuation in Jeffrey pine from variation in water storage as influenced by thinning and prescribed fire., Annals of Forest Science, 65, 201-209.