USGS Forest and Rangeland Ecosystem Science Center

FRESC Home | Research | Products | People | About FRESC | Intranet | Contact FRESC

David A. Pyke

Pyke, David A.

Supervisory Research Ecologist

Office: 541-750-0989
Fax: 541-758-8806
3200 SW Jefferson Way
Corvallis, OR 97331


Washington State University, Pullman, WA
Ph.D. Botany, July 1983
M.S. Forest and Range Management January, 1977
B.S. Range Management, Wildlife option, January, 1976


Plant ecology, restoration ecology, monitoring and assessments of ecosystem status of rangelands (grassland, shrublands and savannas)

Research Interests

Population ecology of native and invasive plants in the Intermountain West. Monitoring protocols for ecosystem integrity on wild lands. Restoration ecology of native plants on disturbed and invaded lands.

Personal Interests

Skiing, Cycling, Baseball, Softball, Gardening, & Beer Brewing


Former Assistant Center Director of FRESC 1996-1999

Research Team

Restoration and Ecology of Arid Lands - Team Page


116 Total

Viewing 1 to 10

Chambers, J.C., Beck, J.L., Bradford, J.B., Bybee, J., Campbell, S.B., Carlson, J., Christiansen, T.J., Clause, K.J., Collins, G., Crist, M.R., Dinkins, J.B., Doherty, K.E., Edwards, F., Espinosa, S., Griffin, K.A., Griffin, P.C., Haas, J.R., Hanser, S.E., Havlina, D.W., Henke, K.F., Hennig, J.D., Joyce, L.A., Kilkenny, F.F., Kulpa, S.M., Kurth, L.L., Maestas, J.D., Manning, M., Mayer, K.E., Mealor, B.A., McCarthy, C.W., Pellant, M., Perea, M.A., Prentice, K.L., Pyke, D.A., Wiechman, L.A., Wuenschel, A., 2017, Using Resilience and Resistance Concepts to Assess Threats to Sagebrush Ecosystems and Greater Sage-Grouse, Prioritize Conservation and Restoration Actions, and Inform Management Strategies, Part 1. Scientific Basis and Applications: USDA Forest Service RMRS-GTR-360, p. 224. [Details]

DeCrappeo, N.M., DeLorenze, E.J., Giguere, A.T., Pyke, D.A., Bottomley, P.J., 2017, Fungal and bacterial contributions to nitrogen cycling in cheatgrass-invaded and uninvaded native sagebrush soils of the western USA: Plant and Soil, v. 416, no. 1-2, p. 271-281,[Details]

Karl, J.W., Herrick, J.E., Pyke, D.A., 2017, Monitoring protocols- Options, approaches, implementation, benefits In Briske, D.D., ed., Rangeland Systems: Cham, Switzerland, Springer, p. 527-567,[Details]

Monroe, A.P., Aldridge, C.L., Assal, T.J., Veblen, K.E., Pyke, D.A., Casazza, M.L., 2017, Patterns in greater sage-grouse population dynamics correspond with public grazing records at broad scales: Ecological Applications, v. 27, no. 4, p. 1096-1107,[Details]

Pyke, D.A., Chambers, J.C., Pellant, M., Miller, R.F., Beck, J.L., Doescher, P.S., Roundy, B.A., Schupp, E.W., Knick, S.T., Brunson, M., McIver, J.D., 2017, Restoration Handbook for Sagebrush Steppe Ecosystems with Emphasis on Greater Sage-Grouse Habitat—Part 3. Site Level Restoration Decisions: U.S. Geological Survey Circular 1426, p. 62,[Details]

Pyke, D.A., Wirth, T.A., 2017, Compilation of studies assessing post-wildfire seeding of rangelands worldwide, 1965-2010: U.S. Geological Survey Data Release,[Details]

Pyke, D.A., Wirth, T.A., 2017, Compilation of BLM Monitoring Reports Assessing Post Wildfire Seeding of Rangelands, 2001-2009: U.S. Geological Survey Data Release,[Details]

Schlaepfer, D.R., Bradford, J.B., Lauenroth, W.K., Munson, S.M., Tietjen, B., Hall, S.A., Wilson, S.D., Duniway, M.C., Jia, G., Pyke, D.A., Lkhagva, A., Jamiyansharav, K., 2017, Climate change reduces extent of temperate drylands and intensifies drought in deep soils: Nature Communications, v. 8, p. 14196,[Details]

Tietjen, B., Schlaepfer, D.R., Bradford, J.B., Laurenroth, W.K., Hall, S.A., Duniway, M.C., Hochstrasser, T., Jia, G., Munson, S.M., Pyke, D.A., Wilson, S.D., 2017, Climate change-induced vegetation shifts lead to more ecological droughts despite projected rainfall increases in many global temperate drylands: Global Change Biology, v. 23, no. 7, p. 2743-2754,[Details]

Chambers, J.C., Maestas, J.D., Pyke, D.A., Boyd, C.S., Pellant, M., Wuenschel, A., 2016, Using Resilience and Resistance Concepts to Manage Persistent Threats to Sagebrush Ecosystems and Greater Sage-grouse: Rangeland Ecology and Management, p. online,[Details]

View All

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo logo U.S. Department of the Interior | U.S. Geological Survey
Page Contact Information: Scott Price
Page Last Modified: 1/31/2013