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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


111 Total

Viewing 1 to 10

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, p. online,[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, p. online,[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]

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, p. online,[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, p. online,[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]

Chambers, J.C., Beck, J.L., Campbell, S.B., Carlson, J., Christiansen, T.J., Clause, K.J., Dinkins, J.B., Doherty, K.E., Griffin, K.A., Havlina, D.W., Henke, K.F., Hennig, J.D., Kurth, L.L., Maestas, J.D., Manning, M., Mayer, K.E., Mealor, B.A., McCarthy, C.W., Perea, M.A., Pyke, D.A., 2016, Using resilience and resistance concepts to manage threats to sagebrush ecosystems, Gunnison sage-grouse, and Greater sage-grouse in their eastern range- A strategic multi-scale approach. Gen. Tech. Rep. RMRS-GTR-356: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, p. 143. [Details]

Condon, L.A., Pyke, D.A., 2016, Filling the interspace—restoring arid land mosses- source populations, organic matter, and overwintering govern success: Ecology and Evolution, p. online,[Details]

Condon, L.A., Pyke, D.A., 2016, Gap Size between Perennial Herbs as an Index of Cattle Grazing Impact across Rangelands of the Great Basin Sagebrush Steppe[abs.]: 2016 Proceedings of the 10th International Rangeland Congress, p. 803-804. [Details]

Pyke, D.A., Chambers, J.C., Beck, J.L., Brooks, M.L., Mealor, B.A., 2016, Land Uses, Fire, and Invasion- Exotic Annual Bromus and Human Dimensions - Chapter 11 In Germino, M.J., Chambers, J.C., Brown, C.S., eds., Exotic Brome-Grasses in Arid and Semiarid Ecosystems of the Western US: Causes, Consequences, and Management Implications: Switzerland, Springer International Publishing, p. 307-337,[Details]


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