Found 60 results
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Journal Article
D. D. Johnson and Davies, K. W., “Medusahead Management in Sagebrush–Steppe Rangelands: Prevention, Control, and Revegetation”, Rangelands, vol. 34, no. 1, pp. 32 - 38, 2012.
K. W. Davies, Nafus, A. M., and Johnson, D. D., “Medusahead management guide for the Intermountain West”, Natural Resource Conservation Service, p. 12, 2013.
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.
D. W. Bohnert and Johnson, D. D., “Management Guide for Beef Cattle”, Oregon State University Beef Cattle Library, 2010.
K. W. Davies and Johnson, D. D., “Limiting medusahead invasion and impacts in the Great Basin”, Great Basin Factsheet, vol. 2, p. 3, 2015.
D. D. Johnson and Davies, K. W., “An introduction to using ecological site descriptions as a management tool”, Cattle Producer's Library, 2012.
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, Nafus, A. M., and Johnson, D. D., “Interim medusahead management guide for the Intermountain West”, EOARC Technical Repoert, 2010.
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.
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. R. Clenet, Davies, K. W., Johnson, D. D., and Kerby, J. D., “Herbicide Protection Pods (HPPs) Facilitate Sagebrush and Bunchgrass Establishment under Imazapic Control of Exotic Annual Grasses”, Rangeland Ecology & Management, vol. 73, no. 5, pp. 687-693, 2020.
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 Cheeke, P. R., “Grazing behavioral responses of beef cattle to medusahead invasion in sagebrush steppe rangeland”, Oregon Beef Council Report, 2011.
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.
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.
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.
D. D. Johnson and Davies, K. W., “Established Perennial Vegetation Provides High Resistance to Reinvasion by Exotic Annual Grasses”, Rangeland Ecology & Management, vol. 70, no. 6, pp. 748 - 754, 2017.
D. D. Johnson and Davies, K. W., “Effects of Integrating Mowing and Imazapyr Application on African Rue (Peganum harmala) and Native Perennial GrassesAbstract”, Invasive Plant Science and Management, vol. 7404412124654131241363412, no. 04, pp. 617 - 623, 2014.
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.
C. S. Boyd and Johnson, D. D., “Collaboration as a Path Forward on Western Rangelands”, Progressive Cattleman, no. 7, pp. 26-27, 2018.
K. W. Davies, Madsen, M. D., Nafus, A. M., Boyd, C. S., and Johnson, D. D., “Can Imazapic and Seeding Be Applied Simultaneously to Rehabilitate Medusahead-Invaded Rangeland? Single vs. Multiple Entry”, Rangeland Ecology & Management, vol. 67, no. 6, pp. 650 - 656, 2014.
K. W. Davies and Johnson, D. D., “Are We “Missing the Boat” on Preventing the Spread of Invasive Plants in Rangelands?Abstract”, Invasive Plant Science and Management, vol. 4172214947101810, no. 01, pp. 166 - 171, 2011.
K. W. Davies, Nafus, A. M., and Johnson, D. D., “Are Early Summer Wildfires an Opportunity to Revegetate Exotic Annual Grass–Invaded Plant Communities?”, Rangeland Ecology & Management, vol. 66, no. 2, pp. 234 - 240, 2013.
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.
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.

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