Professional Service

Expert witness for legal cases:

• On behalf of the plaintiffs, Cause No. 6324 in the 394th District Court of Presidio County, Texas. Prescribed fire escaped to adjacent ranch. Deposed 28 July 2000 (Tucson, Arizona) and 20 September 2000 (Alpine, Texas).
• On behalf of the plaintiffs, Cause No. 7907 in the 33rd District Court of San Saba County, Texas. Wildfire escaped to adjacent ranches. Deposed 21 August 2001 (Austin, Texas); testified 9 October 2001 (San Saba, Texas).
• On behalf of the defendants, Cause No. 2902 in the 63rd District Court of Terrell County, Texas. Noxious weed allegedly spread to ranch via truck tires during geophysical operations.
• On behalf of the respondent, Case No. D20022058 in the Superior Court of the State of Arizona in and for the County of Pima. Petitioner alleged that management practices did not affect value of property. Deposed 13 May 2003 (Tucson, Arizona); testified 18 August 2003 (Tucson, Arizona)

Prepared written testimony regarding H.R. 3102, 108th Congress, 1st Session, June 2004.

Inaugural director of the The Nature Conservancy's David H. Smith Fellows Program in Applied Conservation Research (Arlington, Virginia, 1999-2000)

Organized and co-chaired the following symposia:

• Natural and Anthropogenic Influences on Savanna Ecosystems of the Arid Southwest. Ecological Society of America Annual Meeting, Albuquerque, New Mexico (1997)
• Importance of precipitation amount and seasonality for ecosystem structure and function. Ecological Society of America Annual Meeting, Baltimore, Maryland (1998)

Organized and moderated public panel session, Beyond the Headlines: Prospects for Humanity as Earth Heats Up. Center for Inquiry, Tucson, Arizona (2006)

Organized and participated in three-day workshop, Linking Producers and Consumers: Economic Valuation of Ecosystem Services. The Research Ranch Foundation, Tucson, Arizona (2006)

Member, Technical Advisory Committee, City of Tucson and Arizona Game and Fish Department. Committee is drafting a multi-species Habitat Conservation Plan under the Endangered Species Act, Section 10(a)(1)(B) (2004-present)

Member of the following advisory groups:

• Advisory Board, Center for Inquiry, southern Arizona chapter (2006-present)
• Science Advisory Panel, Malpai Borderlands Group, Douglas, Arizona (2003-present)
• Governor of Arizona's Invasive Species Advisory Council, Phoenix, Arizona (2005-2007)
• Science Advisory Panel, Rincon Institute, Tucson, Arizona (1993-2005)
• Board of Trustees, Research Ranch Foundation, Elgin, Arizona (2004-2005)
• Science Advisory Committee, National Audubon Society Appleton-Whittell Research Ranch, Elgin, Arizona (2002-2005)
• Science Advisory Committee, David H. Smith Postdoctoral Fellows Program in Applied Conservation, The Nature Conservancy, Arlington, Virginia (2001-2005)

Member of steering committees for the following symposia, workshops, and discussion sessions:

• Grassland Management at the Millennium. Sponsored by Ecological Society of America, Society for Range Management, and USDA Forest Service. Omaha, Nebraska (1999)
• Ecosystem Simplification. Sponsored by Ecological Society of America and Society for Range Management. Kona, Hawaii (2001)
• Applying State and Transition Models in the Face of Biological Invasions. Sponsored by Ecological Society of America and Society for Range Management. Kansas City, Missouri (2002)
• Who Wants to Beat an Invasive Species? Nipping Invasive Species in the Bud. Sponsored by Ecological Society of America and Society for Range Management. Tucson, Arizona (2002)
• Managing Toward the Past: Using Historic Range of Variability in Managing Rangelands. Sponsored by Ecological Society of America and Society for Range Management. Casper, Wyoming (2003)
• Are you the Weakest Link in Climate Change? Sponsored by Ecological Society of America and Society for Range Management. Savannah, Georgia (2003)
• The Big Stuff that Really Matters. Sponsored by Ecological Society of America and Society for Range Management. Salt Lake City, Utah (2004)
• Linking Producers and Consumers: Assigning Economic Value to Ecosystem Services. Sponsored by The Research Ranch Foundation. Tucson, Arizona (2006)
• Beyond the Headlines: Prospects for Humanity as Earth Heats Up. Sponsored by the Center for Inquiry. Tucson, Arizona (2006)

Review panelist for the following programs:

• USDA CSRS Rangeland Competitive Grants Program. Denver, Colorado (1992)
• Environmental Protection Agency Science to Achieve Results Program: Futures Research in Sustainability. Arlington, Virginia (2000)
• David H. Smith Fellows postdoctoral program in conservation biology. Arlington, Virginia (2003, 2006)
• Environmental Protection Agency Science to Achieve Results Program: Terrestrial Ecology. Washington, D.C. (2004, 2005, 2006)
• USDI Fish & Wildlife Service Wildlife and habitat management review, Buenos Aires National Wildlife Refuge (2004)

Ad hoc reviewer for the following programs:

• Agencia Nacional de Promocion Cientifica y Tecnolgica, Argentina
• CALFED Bay-Delta Program
• European Science Foundation
• NASA Global Change Fellowship Program
• National Fish & Wildlife Foundation
• National Science Foundation
• The Nature Conservancy Small Grants Research Program
• The Nature Conservancy David H. Smith Fellows Program
• USDA CSRS Rangeland Competitive Grants Program
• USDA CSRS National Research Initiative Competitive Grants Program

Ad hoc reviewer for several book publishers and the following journals:

• American Biology Teacher
• American Journal of Botany
• American Midland Naturalist
• Applied Vegetation Science
• Australian Journal of Botany
• Biological Conservation
• BioScience
• Conservation Biology
• Ecography
• Ecological Applications
• Ecological Monographs
• Ecology
• Ecology Letters
• Environmental Science and Policy
• International Journal of Wildland Fire
• Journal of Arid Environments
• Journal of Ecology
• Journal of Range Management
• Journal of Sustainable Forestry
• Journal of Tropical Ecology
• Journal of Vegetation Science
• Oikos
• Plant Ecology
• Radiocarbon
• Rangeland Ecology & Management
• Restoration Ecology
• Soil Science Society of America Journal
• Southwestern Naturalist
• Western Journal of Applied Forestry
• Western North American Naturalist

Inteviewed for, and quoted in, the following media outlets:

• Arizona Daily Star (Tucson daily newspaper)
• Arizona Illustrated (Tucson PBS affiliate)
• Arizona Republic (Phoenix daily newspaper)
• Arizona Daily Star (University of Arizona daily newspaper)
• Associated Press (newspapers)
• Carapace (quarterly newsletter)
• Experts Talk Issues, KWRS, Spokane, Washington (weekly radio show; guest each week, January - May 2005)
• Fort Huachuca Scout (weekly newspaper)
• High Country News
• KVOA channel 4 (Tucson NBC affiliate)
• Lo Que Pasa (weekly newspaper)
• National Public Radio (radio)
• Native Plants (magazine)
• Nature Conservancy (magazine)
• New York Times (daily newspaper)
• Northwest Explorer (weekly newspaper)
• Time for Kids (weekly magazine)
• Tucson Citizen (Tucson daily newspaper)

Chair and member of many committees at all levels within the University of Arizona--university, college, and department

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