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E. C. Rhodes, Bates, J. D., Sharp, R. N., and Davies, K. W., Fire Effects on Cover and Dietary Resources of Sage-Grouse Habitat, Journal of Wildlife Management, vol. 74, no. 4, pp. 755 - 764, 2010.
W. D. Rice, Fetter, D., Somerville, G., Tullos, D., and Palacijo, J., Hydraulic features of Engineered Log Jams (ELJs) and their influence on salmonid behavior, in AGU Fall Meeting Abstracts, 2010.
C. A. Richardson-Heft, Heft, A. A., Fewlass, L., and Brandt, S. B., Movement of Largemouth Bass in Northern Chesapeake Bay: Relevance to Sportfishing Tournaments, North American Journal of Fisheries Management, vol. 20362949, no. 2, pp. 493 - 501, 2000.
L. M. Richman, Johnson, D. E., and Angell, R. F., Evaluation of a positive conditioning technique for influencing big sagebrush (Artemisia tridentata subspp. wyomingensis) consumption by goats, Applied Animal Behaviour Science, vol. 40, no. 3-4, pp. 229 - 240, 1994.
G. M. Riegel, Svejcar, T., and Busse, M. D., Does the presence of Wyethia mollis affect growth of Pinus jeffreyi seedlings?, Western North American Naturalist, pp. 141–150, 2002.
G. M. Riegel, Miller, R. F., and Krueger, W. Clement, The Effects of Aboveground and Belowground Competition on Understory Species Composition in a Pinus densiflora Forest, Forest Science, vol. 41, pp. 864–889, 1995.
R. Ries, Bockstahler, S., Higgins, C., Atkinson, K., Lewandowski, S., Gjestvang, R., Frey, A., Clawson, J., and Klaus, D., RedThumb: A Mars Greenhouse Design for the 2002 MarsPort Engineering Design Student Competition. 2003.
R. E. Ries and Svejcar, T., The Grass Seedling: When Is It Established?, Journal of Range Management, vol. 44, no. 6, p. 574, 1991.
J. D. Rigas, Montilla, H. J., Tornquist, S. J., Valentine, B. A., and Kutzler, M. A., What is your diagnosis? Equine ovarian cyst fluid, Veterinary Clinical Pathology, vol. 4193371863124, no. 3, pp. 435 - 436, 2012.
B. A. Riggs and Mills, R. R., Oregon bio-security education and demonstration program using bovine viral diarrhea virus, persistently infected (BVD PI) cattle screening as a model., in Proceedings of the Annual Meeting and Professional Improvement Conference, 2010.
R. A. Riggs, Tiedemann, A. R., Cook, J. G., Ballard, T. M., J, E. P., Vavra, M., Krueger, W. Clement, Hall, F. C., Bryant, L. D., Irwin, L. L., and Delcurto, T., Modification of Mixed Conifer Forests by Ruminant Herbivores in the Blue Mountains Ecological Province, 2000.
R. A. Riggs, Tiedemann, A. R., Cook, J. G., Ballard, T. M., Edgerton, P. J., Vavra, M., Krueger, W. C., Hall, F. C., Bryant, L. D., Irwin, L. L., and Delcurto, T., Modification of mixed-conifer forests by ruminant herbivores in the Blue Mountains ecological province, PNW-RP-527, 2000.
R. A. Riggs, Keane, R. E., Cimon, N., Cook, R., Holsinger, L., Cook, J., Delcurto, T., Baggett, L. S., Justice, D., Powell, D., Vavra, M., and Naylor, B., Biomass and fire dynamics in a temperate forest-grassland mosaic: Integrating multi-species herbivory, climate, and fire with the FireBGCv2/GrazeBGC system, Ecological Modelling, vol. 296, pp. 57 - 78, 2015.
T. L. Righetti, Sandrock, D. R., Strik, B. C., Vasconcelos, C., Banados, P., Ortega, S., Moreno, Y., and Guihong, B., Analysis of ratio-based responses., . Amer. Soc. Hort. Sci., vol. 132, pp. 3-13, 2007.
T. L. Righetti, Dalthorp, D., Sandrock, D. R., Strik, B. C., and Banados, P., Slope-based and ratio-based approaches to determine fertilizer-derived N in plant tissues for established perennial plants, J. Hort. Sci. and Biotech., vol. 82, pp. 641-647, 2007.
T. L. Righetti, Dalthorp, D., Lambrinos, J. G., Strik, B., Sandrock, D., and Phillips, C. L., Scaling confounds the interpretation of isotopic data, International Journal of Environmental Analytical Chemistry, vol. 92213282616113251141, no. 1, pp. 1 - 27, 2012.
T. L. Righetti, Sandrock, D. R., Strik, B. C., and Azarenko, A. A., Appropriate analysis and interpretation approaches to determine fertilizer-derived nitrogen in plant tissues., J. Amer. Soc. Hort. Sci., vol. 132, pp. 429-436, 2007.
T. Righetti, Dalthrop, D., Lambrinos, J. G., Strik, B. C., Sandrock, D., and Phillips, C., Scaling confounds the interpretation of isotopic data., Inter. J. Analytical Chemistry, vol. 92, pp. 1-27, 2011.
W. J. Riley, Maggi, F. M., Kleber, M., Torn, M. S., Tang, J. Y., Dwivedi, D., and Guerry, N., Long residence times of rapidly decomposable soil organic matter: application of a multi-phase, multi-component, and vertically-resolved model (TOUGHREACTv1) to soil carbon dynamics, Geoscientific Model Development Discussions, vol. 7, no. 1, pp. 815 - 870, 2014.
N. R. Rimbey, L. Torell, A., and Tanaka, J. A., Why Grazing Permits Have Economic Value, Journal of Agricultural and Resource Economics, vol. 32, no. 1, pp. 20-40, 2007.
A. Rimmer, Steenhuis, T. S., and Selker, J., One-dimensional model to evaluate the performance of wick samplers in soils, Soil Science Society of America Journal, vol. 59, pp. 88–92, 1995.
P. J. Rincker, Killefer, J., Ellis, M. A., Brewer, S., and McKeith, F. K., The effect of ractopamine and IMF content on sensory attributes of pork from pigs of similar genetics, Journal of Muscle Foods, 2009.
M. James Rinella and Sheley, R., A model for predicting invasive weed and grass dynamics. I. Model development, Weed Science, vol. 5365122612112881321131, no. 05, pp. 586 - 593, 2005.
M. J. Rinella, Maxwell, B. D., Fay, P. K., Weaver, T., and Sheley, R., Control effort exacerbates invasive-species problem., Ecol Appl, vol. 19, no. 1, pp. 155-62, 2009.
M. James Rinella and Sheley, R., Influence of soil water availability on competition among leafy spurge (Euphorbia esula) and grasses, Western North American Naturalist, pp. 233–241, 2005.

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