USGS Fact Sheets on the Sagebrush Steppe

Pyke, D.A., 2002, Assessing rangelands: U.S. Geological Survey Fact Sheet, p. 2. http://fresc.usgs.gov/products/fs/fs-125-02.pdf

Pyke, D.A., 2002, Born of fire - Restoring sagebrush steppe: U.S. Geological Survey Fact Sheet, p. 2. http://fresc.usgs.gov/products/fs/fs-126-02.pdf

Schuler, C., 2005, USGS - Providing scientific understanding of the sagebrush biome: U.S. Geological Survey Fact Sheet, p. 4. http://fresc.usgs.gov/products/fs/fs2005-3091.pdf

PEER-REVIEWED PUBLICATIONS:

Mack, R. N. and D. A. Pyke. 1979. Mapping individual plants with a field-portable digitizer. Ecology 60(3):459-461.

Pyke, D. A. and B. A. Zamora. 1982. Relationship between overstory structure and understory production in the grand fir/myrtle boxwood habitat of north central Idaho. Journal of Range Management 35:769-773.

Mack, R. N. and D. A. Pyke. 1983. Demography of Bromus tectorum: Variation in time and space. Journal of Ecology 71: 69-93.

Mack, R. N. and D. A. Pyke. 1984. Demography of Bromus tectorum: The role of microclimate, grazing, and disease. Journal of Ecology 72:731-748

Pyke, D. A. 1984. Effects of volcanic ash from Mount St. Helens on Peromyscus maniculatus and Microtus montanus. Journal of Mammalogy 65:678-680.

Pyke, D. A. and J. N. Thompson. 1986. Statistical analysis of survival and removal rate experiments. Ecology 67:240-245.

Pyke, D. A. 1986. Demographic response of Bromus tectorum and seedlings of Agropyron spicatum to grazing by small mammals: Occurrence and severity of grazing. Journal of Ecology 74:739-754.

Pyke, D. A. 1987. Demographic response of Bromus tectorum and seedlings of Agropyron spicatum to grazing by small mammals: the influence of grazing frequency and plant age. Journal of Ecology 75:825-835.

Pyke, D. A. 1989. Limited resources and reproductive constraints in annuals. Functional Ecology 3:221-228.

Bendel, R. B., S. S. Higgins, J. E. Teberg and D. A. Pyke. 1989. Comparison of skewness coefficient, coefficient of variation, and Gini coefficient as measures of inequality. Oecologia 78:394-401.

Pyke, D. A. 1990. Comparative demography of co-occurring introduced and native tussock grasses: persistence and potential expansion. Oecologia 82:537-543.

Reichenberger, G. and D. A. Pyke. 1990. Impact of early root competition on fitness components of four semiarid species. Oecologia 85:159-166.

Pyke, D.A. and S. Archer. 1991. Plant-plant interactions affecting plant establishment and persistence on revegetated rangeland. Journal of Range Management 44:550-557.

Archer, S. and D. A. Pyke. 1991. Plant-animal interactions affecting plant establishment and persistence on revegetated rangeland. Journal of Range Management 44:558-565.

Price, K.P., D.A. Pyke, and L. Mendes. 1992. Shrub dieback in a semiarid ecosystem: A test of the use of remote sensing for detecting vegetation change. Photogrammetric Engineering and Remote Sensing 58:455-463.

Pyke, D. A. and M. M. Borman. 1993. Problem analysis for the vegetation diversity project. Tech. Rep. OR-936-01, USDI, BLM, Pac. For. Basin Rangel. Syst. Coop. Res. Technol. Unit, Corvallis, OR. 100 p.

Borman, M. M. and D. A. Pyke. 1994. Successional theory and the desired plant community approach. Rangelands 16:82-85.

Pyke, D. A. 1995. Population diversity with special reference to rangeland plants. Pages 21-32, In: West, N.E. (ed.), Biodiversity of Rangelands. Natural Resources and Environmental Issues, Vol. IV, College of Natural Resources, Utah State Univ., Logan, UT.

Francis, M. and D. A. Pyke. 1996. Crested wheatgrass-cheatgrass seedling competition using a mixed-density design. Journal of Range Management 49:432-438.

Huber-Sannwald, E., D. A. Pyke, and M. M. Caldwell. 1996. Morphological plasticity following species-specific recognition and competition in two perennial grasses. American Journal of Botany 83:919-931.

Francis, M. and D. A. Pyke. 1997. Mixed-density designs for evaluating plant interactions during revegetation. Rangelands 19:23-26.

Kilbride, K.M., F.L. Paveglio, D.A. Pyke, M.S. Laws, and J.H. David. 1997. Use of integrated pest management to restore meadows infested with perennial pepperweed at Malheur National Wildlife Refuge. Pp. 31-35, IN: Svejcar, T. (ed.), Management of perennial pepperweed (tall whitetop). Agricultural Experiment Station, Oregon State University, Special Report 972, Corvallis, OR.

Humphrey, L.D. and D. A. Pyke. 1997. Clonal foraging in perennial wheatgrasses: a strategy for exploiting patchy soil nutrients. Journal of Ecology 85:601-610.

Huber-Sannwald, E., D. A. Pyke, and M.M. Caldwell. 1997. Perception of neighbouring plants by rhizomes and roots: morphological manifestations of a clonal plant. Canadian Journal of Botany 75:2146-2157.

Trask, M.M. and D. A. Pyke 1998. Variability in seed dormancy of three Pacific Northwestern grasses. Seed Science and Technology 26:179-191.

Huber-Sannwald, E., D. A. Pyke, M.M. Caldwell and S. Durham. 1998. Effects of nutrient patches and root systems on the clonal plasticity of a rhizomatous grass. Ecology 79:2267-2280.

Humphrey, L.D. and D.A. Pyke. 1998. Demographic and growth responses of a guerilla and a phalanx perennial grass in competitive mixtures. Journal of Ecology 86:854-865.

Smith, J.P., M.W. Collopy and 17 others including D.A. Pyke. 1998. Pacific northwest. Pages 645-705, IN: Mac, M.J., P.A. Opler, C.E. Puckett Haecker, and P.D. Doran (eds.), Status and trends of the nation’s biological resources, Vol. 2. U.S. Department of the Interior, U.S. Geological Survey, Reston, VA.

Rasmussen, G.A., M. Pellant, and D.A. Pyke. 1999. Reliability of a qualitative assessment process on rangeland ecosystems. Pages 781-782, IN: Eldridge, D. and D. Freudenberger (eds.), People and Rangelands, Building the Future. Proceedings VIth International Rangeland Congress, 1999, Vol. 2. VI International Rangeland Congress, Aitkenvale, Australia.

Pellant, M., P. Shaver, D.A. Pyke, and J.E. Herrick. 2000. Interpreting indicators of rangeland health, version 3. Interagency Technical Reference 1734-6, USDI, Bureau of Land Management, National Science and Technology Center, Information and Communications Group, Denver, CO. 118 pages. (also available at http://www.ftw.nrcs.usda.gov/glti).

Kauffman, J. B. and D.A. Pyke. 2000. Global influences of livestock on the biological diversity of rangeland and forest ecosystems. Pages 33-52, IN: Levin, S. (ed.), Encyclopedia of Biodiversity Volume 5, Academic Press, San Diego, CA.

Humphrey, L.D. & D.A. Pyke. 2001. Ramet spacing of Elymus lanceolatus (thickspike wheatgrass) in response to neighbor density. Canadian Journal of Botany 79:1122-1126.

Brooks, M.L. & D.A. Pyke. 2001. Invasive plants and fire in the deserts of North America. Pages 1-14 IN: Galley, K.E.M. and T.P. Wilson (eds.), Proceedings of the Invasive Species Workshop: The Role of Fire in the Spread and Control of Invasive Species. Fire Conference

2000: The First National Congress on Fire Ecology, Prevention, and Management. Miscellaneous Publication No. 11. Tall Timbers Research Station, Tallahassee FL.

Beever, E.A. & D.A. Pyke. 2002. Research plan for lands administered by the U.S. Department of the Interior in the interior Columbian Basin and Snake River Plateau. Information and Technology Report USGS/BRD/ITR-2002-0003. 76 pp.

Pyke, D.A., J.E. Herrick, P. Shaver & M. Pellant. 2002. Rangeland health attributes and indicators for qualitative assessment. Journal of Range Management 55:584-597.

Pyke, D.A. & M. Pellant. 2002. Strategic Plan for the Coordinated Intermountain Restoration Project: U.S. Geological Survey, Biological Resources Discipline, Information and Technology Report, USGS/BRD/ITR2002-0011, 14pp.

Spaeth, K.E., F.B. Pierson, J.E. Herrick, P.L. Shaver, D.A. Pyke, M. Pellant, D. Thompson & B. Dayton. 2003. New proposed national resources inventory protocols on nonfederal rangelands. Journal of Soil and Water Conservation 58:18-21.

Kaye, T.N. & D.A. Pyke. 2003. The effect of stochastic technique on estimates of population viability from transition matrix models. Ecology 84:1464-1477.

Wirth, T.A. & D.A. Pyke. 2003. Restoring forbs for sage grouse habitat: fire, microsite and establishment methods. Restoration Ecology 11:370-377.

Clausnitzer, D., M. Huso, D. Pyke, J. Belnap, T. Graham, R.L. Sanford & S. Phillips. 2003. Interactions of cattle grazing and climate change: hierarchical data analysis Pp 1062-1064 IN: Allsopp N., A.R. Palmer, S.J. Milton, K.P. Kirkman, G.I.H. Kerley & C.R. Hurt (eds) Proceedings of the VII^th International Rangelands Congress, 26^th July-1^st August 2003, Durban, South Africa. Document Transformation Technologies, Irene, South Africa

Karl, M.G.S., D.A. Pyke, P.T. Tueller, W. Ypsilantis, G.E. Schuman, and S.J. Borchard. 2003. Indicators for soil and water conservation on rangelands. Pp 713-716 IN: Allsopp N., A.R. Palmer, S.J. Milton, K.P. Kirkman, G.I.H. Kerley & C.R. Hurt (eds) Proceedings of the VII^th International Rangelands Congress, 26^th July-1^st August 2003, Durban, South Africa. Document Transformation Technologies, Irene, South Africa

Pyke, D.A., J.E. Herrick, P.L. Shaver & M. Pellant. 2003. What is the standard for rangeland health assessments. Pp 764-766 IN: Allsopp N., A.R. Palmer, S.J. Milton, K.P. Kirkman, G.I.H. Kerley & C.R. Hurt (eds) Proceedings of the VII^th International Rangelands Congress, 26^th July-1^st August 2003, Durban, South Africa. Document Transformation Technologies, Irene, South Africa

Pyke, D.A. & S.T. Knick. 2003. Plant invaders, global change, and landscape restoration. Pp 278-288 IN: Allsopp N., A.R. Palmer, S.J. Milton, K.P. Kirkman, G.I.H. Kerley & C.R. Hurt (eds) Proceedings of the VII^th International Rangelands Congress, 26^th July-1^st August 2003, Durban, South Africa. Document Transformation Technologies, Irene South Africa

Pyke, D.A., T.O. McArthur, K.S. Harrison & M. Pellant. 2003. Coordinated intermountain restoration project – fire, decomposition and restoration. Pp 1116-1124 IN: Allsopp N., A.R. Palmer, S.J. Milton, K.P. Kirkman, G.I.H. Kerley & C.R. Hurt (eds) Proceedings of the VII^th International Rangelands Congress, 26^th July-1^st August 2003, Durban, South Africa. Document Transformation Technologies, Irene, South Africa

Karl, M.G., D.A. Pyke, P.T. Tueller, G.E. Schuman, M.R. Vinson, J.L. Fogg, R.W. Shafer, S.J. Borchard, W.G. Ypsilantis, and R.H. Barrett, Jr. 2003. Indicators for soil and water conservation on rangelands. Chapter II IN: Bartlett, E.T. & J.E. Mitchell (eds) 2003 Sustainable rangelands roundtable first approximation report. Sustainable Rangelands Roundtable http://sustainablerangelands.cnr.colostate.edu/2003Report/Chapter%202%20edited.doc 18 January 2004

Brooks, M.L., C.M. D’Antonio, D.M. Richardson, J.B. Grace, J.E. Keeley, J.M. DiTomaso, R.J. Hobbs, M. Pellant and D. Pyke. 2004. Effects of invasive alien plants on fire regimes. BioScience 54:677-688.

Huber-Sannwald, E. and D.A. Pyke. 2005. Establishing native grasses in a big sagebrush-dominated site: an intermediate restoration step. Restoration Ecology 13:292-301.

Stubbs, M.M. and D.A. Pyke. 2005. Available nitrogen: a time-based study of manipulated resource islands. Plant and Soil 270:123-133.

Beever, E.A., D.A. Pyke, J.C. Chambers, F. Landau, and S. Smith. 2005 Monitoring temporal change in riparian vegetation of Great Basin National Park. Western North American Naturalist 65: 382-402.

Pellant, M., P. Shaver, D.A. Pyke, and J.E. Herrick. 2005. Interpreting indicators of rangeland health, version 4. Interagency Technical Reference 1734-6, USDI, Bureau of Land Management, National Science and Technology Center, Information and Communications Group, Denver, CO.

NON-REFEREED PUBLICATIONS

Pyke, D. A., and J. P. Dobrowolski. 1989. Shrub dieback in the Great Basin. Utah Science 50:66-73.

Borman, M. M. and D. A. Pyke. 1994. Bureau of Land Management launches a program to restore the deteriorated rangelands of the Great Basin and Columbia Plateau. Restoration & Management Notes 12:88-89

Pyke, D. A. and S.J. Novak. 1994. Cheatgrass demography -- Establishment attributes, recruitment, ecotypes, and genetic variability. Pages 12-21, In: Monsen, S. B. and S. G. Kitchen (compilers) Proceedings -- ecology and management of annual rangelands; 1992 May 18-21; Boise ID. USDA For. Serv. Gen. Tech Rep. INT-GTR-313, Intermountain Research Station, Ogden, UT.

Pyke, D. A. 1994. Ecological Significance of seed banks with special reference to alien annuals. Pages 197-201, In: Monsen, S. B. and S. G. Kitchen (compilers) Proceedings -- ecology and management of annual rangelands; 1992 May 18-21; Boise ID. USDA For. Serv. Gen. Tech Rep. INT-GTR-313, Intermountain Research Station, Ogden, UT.

Tanaka, J. and D. A. Pyke. 1996. Introduction to the sustaining rangeland ecosystems symposium. Pages 1-2, In: Edge, W. D. and S. L. Olson-Edge (eds.), Proceedings of a Symposium on Sustaining Rangeland Ecosystems, Special Report 953, Oregon State Univ. Extension Service, Corvallis, OR.

Pyke, D. A. 1996. Rangeland seedings and plantings: exotics or natives. Pages 32-44, In: Edge, W. D. and S. L. Olson-Edge (eds.), Proceedings of a Symposium on Sustaining Rangeland Ecosystems, Special Report 953, Oregon State Univ. Extension Service, Corvallis, OR.

Pyke, D.A. 1996. A population view of weed management. Book Review: Cousens, R. and Mortimer, 1995, Dynamics of weed populations. Ecology 77:2574.

Popovich, S. and D. A. Pyke. 1997. Impacts of wildfire rehabilitation and plow-and-seed land treatments on fitness parameters of an endemic milkvetch. Pages 27-36, In: Greenlee, J.M. (ed.), Proceedings -- fire effects on rare and endangered species and habitats conference, Nov. 13-16, 1995. International Association of Wildland Fire, Fairfield, WA.

Pyke, D.A. 1999. Monitoring weed populations in biocontrol projects. Pages 39-42, In: Isaacson, D. & Brookes, M. (eds.), Weed biocontrol: extended abstracts from the 1997 interagency noxious-weed symposium, December 2-4, 1997, Corvallis, OR. Forest Health Technology Enterprise Team, USDA, Forest Service, FHTET-98-12. Morgantown, WV.