Rangeland Management: assessing the past to create the future. Annual meeting of the Mexican Society for Range Management, Mexico City. September 2013.
Range Management: Evaluating intensive versus extensive strategies. Patagonian Rangeland Sustainability Workshop, Chilean Agricultural Research Service (INTA), Punta Arenas, Chile. June, 2012.
Management and policy options for Inner Mongolian grasslands: a social-ecological perspective. Inner Mongolia University, Hohhot China. August 2009.
Management and policy options for Inner Mongolian grasslands: a social-ecological perspective. International Symposium on Regional and Global Network of Grassland Ecosystem Research, Institute of Botany, Chinese Academy of Science, Beijing, August 2009.
Information and technologic needs for global rangeland monitering: what do they need to address?. (Keynote address) International Grassland Rangeland Congress, Hohot China, July 2008.
Texas warming and rainfall manipulation (T-WaRM) project: growth form contrasts in oak savanna. Joint U.S.-European Union Global Change Workshop sponsored by TERACC and NSF, Elsinore, Denmark. May, 2006.
Vegetation responses to grazing: have unifying principles emerged? Symposium presentation at the 59th Annual Meeting of the Society for Range Management, Vancouver, British Columbia, Canada. February, 2006.
Increasing precision in describing ecological thresholds, drivers and indicators. Annual Meeting of the Ecological Society of America, Montreal, Canada. August 2005.
Integrating adaptive management into rangeland research: looking forward. Annual meeting of the Society for Range Management, Spokane, WA, February 2013.
Adaptation strategies to sustain ecosystem goods and services with climate change. Annual meeting of the Society for Range Management, Spokane WA, February, 2012.
State-and-transition models: current status and future direction. Plant and Wildlife Science Department, Brigham Young University, Provo UT. October, 2011.
Grasslands in a Global Context, symposium celebrating the 30th Anniversary of the Konza Prairie LTER Program and 40th Anniversary of Konza Prairie Biological Station,
Kansas State University, Manhattan KS. September, 2011.
Can the current rangeland research agenda resolve future challenges? USDA-Agricultural Research Service, Fort Collins CO. June, 2011.
Rangeland CEAP: The next generation of rangeland conservation practices . Annual Meeting of the Society for Soil and Water Conservation, Washington DC. July, 2011.
Rangeland CEAP briefings with members of the USDA National Program Staff . Washington DC. July, 2011.
Rangeland CEAP: Status Report . Briefing to representatives of the NRCS, BLM, USFS and EPA, Washington DC, June 2009.
Rangeland CEAP Findings. Briefing to the USDA Resource Conservation Act (RCA) Program to inform the 2013 Farm Bill, Washington DC, May 2010.
Rangeland CEAP Literature Synthesis: Conclusions and Recommendations. Annual Grazing Land Conservation InitiativeMeeting, Reno NV, December 2009.
Development of comprehensive grazing policy guidelines: context and objectives . Annual Meeting of the Society for Range Management, Albuquerque NM, February 2009.
Conservation effects assessment program rangeland literature synthesis: prescribed grazing . Annual Meeting of the Society for Range Management, Albuquerque NM, February 2009.
Grass and juniper responses to modified precipitation seasonality and warming. Annual Meeting of the Society for Range Management, Louisville KY, February 2008.
State-and-transition models: recommendations for resilience-based application. Annual Meeting of the Society for Range Management, Louisville KY, February 2008.
The detection of catastrophic thresholds: perspectives, definitions and methods-Synthesis and conclusions.Ecological Society of America Meeting, Memphis TN, August 2006.
State-and-transition models and ecological thresholds; bridging theory and application. State-and-transition model theory workshop, Oregon State University, Corvallis OR, August, 2006.
Impact of altered precipitation distribution and warming on tree and grass life forms in oak savanna. Principal Investigator Workshop, National Institute for Global Environmental Change-Department of Energy, Tulane University, New Orleans LA, June 2005.
State-and-transition models and ecological thresholds: bridging theory and application. Leu Distinguished Seminar Series, Center for Grassland Studies, University of Nebraska-Lincoln. October, 2005.