Biblio

D. D. Johnson and Davies, K. W., “Effects of integrating mowing and imazapyr on African rue (Peganum harmala L.) and native bunchgrasses.”, in Society for Range Management 65th Annual International Meeting, 2011.

D. D. Johnson, Davies, K. W., and Cheeke, P. R., “Grazing behavioral responses of beef cattle to medusahead invasion in sagebrush steppe rangeland”, Oregon Beef Council Report, 2011.

D. D. Johnson, Davies, K. W., and Boyd, C. S., “Grazing management options for riparian areas.”, Oregon State University Beef Cattle Library, 2011.

D. D. Johnson, Davies, K. W., and Cooke, R. F., “Oregon Beef Council Report”, Oregon Beef Council Report 2011 Edition, p. 65, 2011.

D. D. Johnson, Davies, K. W., Schreder, P. T., and Chamberlain, A. - M., “Perceptions of Ranchers About Medusahead (Taeniatherum caput-medusae (L.) Nevski) Management on Sagebrush Steppe Rangelands”, Environmental Management, vol. 48431016283055614881852664141231714581918601018945221, no. 3, pp. 400 - 417, 2011.

K. W. Davies, Petersen, S. L., Johnson, D. D., D. Davis, B., Madsen, M. D., Zvirzdin, D. L., and Bates, J. D., “Estimating Juniper Cover From National Agriculture Imagery Program (NAIP) Imagery and Evaluating Relationships Between Potential Cover and Environmental Variables”, Rangeland Ecology & Management, vol. 63, no. 6, pp. 630 - 637, 2010.

K. W. Davies, Nafus, A. M., and Johnson, D. D., “Interim medusahead management guide for the Intermountain West”, EOARC Technical Repoert, 2010.

D. W. Bohnert and Johnson, D. D., “Management Guide for Beef Cattle”, Oregon State University Beef Cattle Library, 2010.

D. D. Johnson, “Monitoring grazing lands in Oregon”, Oregon State University Beef Cattle Library, 2010.

M. I. JD, Brunson, M., Bunting, S. C., Chambers, J., Devoe, N., Doescher, P. S., Grace, J., Johnson, D. D., Knick, S., Miller, R., Pellant, M. L., Pierson, F. B., Pyke, D., Rollins, K. S., Roundy, B. A., Schupp, G., Tausch, R. J., and Turner, D., “SageSTEP: A Regional Experiment to Evaluate Effects of Fire and Fire Surrogate Treatments in the Sagebrush Biome”, Rocky Mountain Research Station, Collins, CO, RMRS-GTR-237, 2010.

D. D. Johnson, Davies, K. W., Schreder, P. T., and Chamberlain, A. - M., “The 2007 Southeast Oregon Weed Management Survey: Ranchers’ Perceptions of Weeds in Sagebrush Steppe Rangeland”, EOARC 2009, 2009.

K. W. Davies, Bates, J. D., Johnson, D. D., and Nafus, A. M., “Influence of Mowing Artemisia tridentata ssp. wyomingensis on Winter Habitat for Wildlife”, Environmental Management, vol. 44472884392857346072334757341617524711663032394957394632, no. 1, pp. 84 - 92, 2009.

D. D. Johnson and Davies, K. W., “Monitoring Grazing Lands”, Cow-Calf Management Guide and Cattle Producer’s Library, 2009.

D. C. Ganskopp, Bohnert, D. W., Johnson, D. D., and Munday, K., “Pre- and post-burn cattle distribution patterns in sagebrush steppe.”, Range Field Day 2009 Progress Report, 2009.

K. W. Davies and Johnson, D. D., “Prevention: a proactive approach to the control of invasive plants in wildlands”, in Columbus, F. (ed.) Invasive species: detection, impacts and control, Hauppauge, NY: Nova Science Publishers, INC., 2009, pp. 81-96.

D. D. Johnson, Davies, K. W., Schreder, P. T., and Chamberlain, A. - M., “Ranchers’ Perspectives of Invasive Annual Grass Management on Sagebrush Steppe Rangelands”, in Society for Range Management 62nd Annual International Meeting, 2009.

D. C. Ganskopp, Vavra, M., and Bohnert, D. W., “Range Field Day Progress Report 2009 Table of Content & Forward”, EOARC - Special Report, 2009.

R. F. Miller, Tausch, R. J., ,, Johnson, D. D., and Sanderson, S. C., “Age structure and expansion of piñon-juniper woodlands: a regional perspective in the Intermountain West.”, U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, 2008.

M. L. Merrill, Bohnert, D. W., Ganskopp, D. C., Johnson, D. D., and Falck, S. J., “Effects of Early Weaning on Cow Performance, Grazing Behavior, and Winter Feed Costs in the Intermountain West”, The Professional Animal Scientist, vol. 24, no. 1, pp. 121-124, 2008.

D. D. Johnson and Ganskopp, D. C., “GPS Collar Sampling Frequency: Effects on Measures of Resource Use”, Rangeland Ecology & Management, vol. 61, no. 2, pp. 226 - 231, 2008.

R. Miller, Ratchford, J., and Johnson, D. D., “A history of woodland dynamics in the Owyhee’s: Encroachment, stand closure, understory dynamics, and tree biomass.”, Range Field Day 2008 Progress Report, 2008.

D. D. Johnson and Miller, R. F., “Intermountain Presettlement Juniper: Distribution, Abundance, and Influence on Postsettlement Expansion”, Rangeland Ecology & Management, vol. 61, no. 1, pp. 82 - 92, 2008.

K. W. Davies and Johnson, D. D., “Managing Medusahead in the Intermountain West Is at a Critical Threshold”, Rangelands, vol. 30, no. 4, pp. 13 - 15, 2008.

K. W. Davies, Nafus, A. M., Bates, J. D., Svejcar, T., Sheley, R., Johnson, D. D., Miller, R. F., Sharp, R., and Rhodes, E. C., “Sagebrush steppe – research progress report 2007”, Agricultural Research Service Publication, 2008.

D. C. Ganskopp and Johnson, D. D., “GPS Error in Studies Addressing Animal Movements and Activities”, Rangeland Ecology & Management, vol. 60, no. 4, pp. 350 - 358, 2007.