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United States Department of Agriculture

Agricultural Research Service

Related Topics

Patrick E Clark (Pat)
Boise, Idaho
Range Conservation

Phone: (208) 422-0717
Fax: (208) 334-1502
Room 105

800 PARK BLVD., STE 105
BOISE , ID 83712

Projects
Assessment, Conservation and Management of Rangelands in Transition
Appropriated (D)
  Accession Number: 424211
NFCA between USDA Agriculture Research Service, Howard Ranches, and Bureau of Land Management
Nonfunded Cooperative Agreement (N)
  Accession Number: 428513

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Contrasting daily and seasonal activity and movement of sympatric elk and cattle -
Pastoral mobility and policy recommendations for livestock herding in the Borana pastoral system in southern Ethiopia -
Liao, C., Clark, P., Degloria, S., Mude, A., Barrett, C. 2016. Pastoral mobility and policy recommendations for livestock herding in the Borana pastoral system in southern Ethiopia. ICARDA Dryland Systems.
Ecohydrologic response and recovery of a semi-arid shrubland over a five year period following burning -
Williams, C.J., Pierson Jr, F.B., Kormos, P.R., Al-Hamdan, O.Z., Hardegree, S.P., Clark, P. 2016. Ecohydrologic response and recovery of a semi-arid shrubland over a five year period following burning. Catena. 144:163-176.
Grazing behavior and production characteristics among cows differing in residual feed intake while grazing late season Idaho rangeland -
Cattle use of off-stream water developments in northeastern Oregon -
Cattle use of perennial streams and associated riparian areas on a northeastern Oregon landscape -
The value of off-stream water developments for protecting riparian areas in northeastern Oregon -
Johnson, D.E., Williams, J., Clark, P., Larson, L.L., Louhaichi, M., Freeburg, T. 2016. The value of off-stream water developments for protecting riparian areas in northeastern Oregon [abstract]. Society for Range Management.
Postfire grazing management effects on mesic sagebrush-steppe vegetation: spring grazing -
Clark, P., Williams, C.J., Hardegree, S.P., Pierson Jr, F.B. 2016. Postfire grazing management effects on mesic sagebrush-steppe vegetation: spring grazing. Journal of Arid Environments. 132:49-59.
Estimation of big sagebrush leaf area index with terrestrial laser scanning -
Olsoy, P.J., Mitchell, J., Levia, D.F., Clark, P., Glenn, N.F. 2015. Estimation of big sagebrush leaf area index with terrestrial laser scanning. Ecological Indicators. 61:815-821.
Movements of domestic sheep in the presence of livestock guardian dogs -
Webber, B.L., Weber, K.T., Clark, P., Moffet, C., Ames, D.P., Taylor, J.B., Johnson, D.E., Kie, J.G. 2015. Movements of domestic sheep in the presence of livestock guardian dogs. Sheep and Goat Research Journal. 30:18-23.
Short-term impacts of tree removal on runoff and erosion from sagebrush-steppe hillslopes -
Pierson Jr, F.B., Williams, C.J., Kormos, P.R., Al-Hamdan, O.Z., Hardegree, S.P., Clark, P. 2015. Short-term impacts of tree removal on runoff and erosion from sagebrush-steppe hillslopes. Rangeland Ecology and Management. 68:408-422.
A case study of wolf use of a mountainous Idaho landscape -
Johnson, D.E., Clark, P., Larson, L.L., Anderson, C.A., Freeburg, T., Williams, J. 2015. A case study of wolf use of a mountainous Idaho landscape. Oregon Beef Producer. 25-28.
Prescribed fire effects on resource selection by cattle in mesic sagebrush steppe. Part 2: Mid-summer grazing -
Clark, P., Lee, J., Ko, K., Nielson, R.M., Johnson, D.E., Ganskopp, D.C., Pierson Jr, F.B., Hardegree, S.P. 2015. Prescribed fire effects on resource selection by cattle in mesic sagebrush steppe. Part 2: Mid-summer grazing. Journal of Arid Environments. 124:398-412. doi: 10.1016/j.jaridenv.2015.03.005.
Hydrothermal germination models: comparison of two data-fitting approaches with probit optimization -
Hardegree, S.P., Walters, C.T., Boehm, A.R., Olsoy, P.J., Clark, P., Pierson Jr, F.B. 2015. Hydrothermal germination models: comparison of two data-fitting approaches with probit optimization. Crop Science. 55:2276-2290. doi:10.2135/cropsci2014.10.0703..
The impact of land-use change on the 3-D structure of shrubland and dryland savanna ecosystems -
Clark, P., Washington-Allen, R.A., Louhaichi, M., Mude, A., Liao, C., Clifton, K. 2015. The impact of land-use change on the 3-D structure of shrubland and dryland savanna ecosystems [abstract]. 3rd UNCCD Scientific Conference.
Learning large-scale dynamic discrete choice models of spatio-temporal preferences with application to migratory pastoralism in East Africa -
Ermon, S., Xue, Y., Toth, R., Dilkina, B., Bernstein, R., Damoulas, T., Clark, P., Degloria, S., Mude, A., Barrett, C., Gomes, C.P. 2015. Learning large-scale dynamic discrete choice models of spatio-temporal preferences with application to migratory pastoralism in East Africa. Association for the Advancement of Artificial Intelligence.
Estimation of big sagebrush leaf area index with terrestrial laser scanning -
Clark, P., Olsoy, P.J., Mitchell, J.J., Glenn, N.F., Levia, D.F. 2014. Estimation of big sagebrush leaf area index with terrestrial laser scanning. Meeting Abstract.
Productive Spillovers of the Take-Up of Index-Based Livestock Insurance -
Toth, R.D., Barrett, C., Berstein, R., Clark, P., Gomes, C., Shibia, M., Mude, A. 2014. Productive Spillovers of the Take-Up of Index-Based Livestock Insurance. Proceedings of the Agricultural and Applied Economics Association.
Aboveground total and green biomass of dryland shrub derived from terrestrial laser scanning -
Olsoy, P.J., Glenn, N.F., Clark, P., Derryberry, D.R. 2014. Aboveground total and green biomass of dryland shrub derived from terrestrial laser scanning. Journal of Photogrammetry and Remote Sensing. 88C:166-173. DOI: 10.1016/j.isprsjprs.2013.12.006.
Estimating sagebrush biomass using terrestrial laser scanning (TLS) -
Olsoy, P.J., Glenn, N.F., Clark, P. 2014. Estimating sagebrush biomass using terrestrial laser scanning (TLS). Remote Sensing of Environment. 67:224-228. DOI: 10.2111/REM-D-12-00186.1.
Prescribed fire effects on resource selection by cattle in mesic sagebrush steppe. Part 1: Spring grazing -
Clark, P., Lee, J., Ko, K., Nielson, R., Johnson, D.E., Ganskopp, D.C., Chigbrow, D.J., Pierson Jr, F.B., Hardegree, S.P. 2014. Prescribed fire effects on resource selection by cattle in mesic sagebrush steppe. Part 1: Spring grazing. Journal of Arid Environments. 100-101:78-88.
Hydrologic and erosion responses of sagebrush steppe following juniper encroachment, wildfire, and tree cutting -
Pierson Jr, F.B., Williams, C.J., Hardegree, S.P., Clark, P., Kormos, P.R., Al-Hamdan, O.Z. 2013. Hydrologic and erosion responses of sagebrush steppe following juniper encroachment, wildfire, and tree cutting. Rangeland Ecology and Management. 66:274-289.
An efficient sampling protocol for sagebrush/grassland monitoring -
Larson, L.L., Louhaichi, M., Clark, P., Johnson, D.E. 2013. An efficient sampling protocol for sagebrush/grassland monitoring. International Grasslands Congress. 2:877-878.
Can wildfire serve as an ecohydrologic threshold-reversal mechanism on juniper-encroached shrublands -
Williams, C.J., Pierson Jr, F.B., Al-Hamdan, O.Z., Kormos, P.R., Hardegree, S.P., Clark, P. 2013. Can wildfire serve as an ecohydrologic threshold-reversal mechanism on juniper-encroached shrublands. Ecohydrology. 7:453-477. DOI: 10.1002/eco.1364.
Wildfire as a mechanism to reverse ecohydrologic thresholds in juniper-encroached shrublands -
Williams, C.J., Pierson, F.B., Al-Hamdan, O.Z., Hardegree, S.P., Clark, P.E., and Kormos, P.R. 2012. Wildfire as a mechanism to reverse ecohydrologic thresholds in juniper-encroached shrublands. Presented at the American Geophysical Union Annual Fall Meeting, December 3-7, 2012, San Francisco, CA.
Advances in grazing distribution practices -
Hydrothermal assessment of temporal variability in seedbed microclimate -
Hardegree, S.P., Cho, J., Moffet, C.A., Roundy, B.A., Jones, T.A., James, J.J., Flerchinger, G.N., Clark, P., Pierson Jr, F.B. 2013. Hydrothermal assessment of temporal variability in seedbed microclimate. Rangeland Ecology and Management. 66:127-135.
A perspective on livestock-wolf interactions on western rangelands -
Beck, S., Clark, P., Howery, L., Johnson, D., Kluever, B., Smallidge, S., Cibils, A.F. 2012. A perspective on livestock-wolf interactions on western rangelands. Rangelands. 34(5):6-11.
Water quality effects of herded stream crossings by domestic sheep bands -
Clark, P., Moffet, C.A., Lewis, G.S., Seyfried, M.S., Hardegree, S.P., Pierson Jr, F.B. 2012. Water quality effects of herded stream crossings by domestic sheep bands. Journal of Environmental Quality. 41:1-11.
Environmental vulnerability, assessment, and monitoring of grazing systems under index-based livestock insurance programs in East Africa -
Utilizing long-term ARS data to compare and contrast hydroclimatic trends from snow and rainfall dominated watersheds -
Goodrich, D.C., Marks, D.G., Seyfried, M.S., Keefer, T.O., Unkrich, C.L., Anson, E.L., Clark, P., Flerchinger, G.N., Hamerlynck, E.P., Hardegree, S.P., Heilman, P., Holifield Collins, C.D., Moran, M.S., Nearing, M.A., Nichols, M.H., Pierson Jr, F.B., Scott, R.L., Stone, J.J., Van Vactor, S.S., Winstral, A.H., Wong, J.K. 2011. Utilizing long-term ARS data to compare and contrast hydroclimatic trends from snow and rainfall dominated watersheds. Proceedings of the 4th Interagency Conference of Research in the Watersheds, Fairbanks, AK., Sept. 26-30, 2011.
Fire, plant invasions, and erosion events on western rangelands -
Pierson Jr, F.B., Williams, C.J., Hardegree, S.P., Weltz, M.A., Stone, J.J., Clark, P. 2011. Fire, plant invasions, and erosion events on western rangelands. Rangeland Ecology and Management. 64(5):439-449. DOI: 10.2111/REM-D-09-00147.1.
Spatial-temporal interactions of beef cattle and wolves on a western Idaho rangeland -
Clark, P., Williams, J., Chigbrow, J., Larson, L.L., Johnson, M.D., Rimbey, N., Crane, K., Ndzeidze, S.K., Johnson, D.E. 2010. Spatial-temporal interactions of beef cattle and wolves on a western Idaho rangeland. Oregon State University Extension Publications. BEEF051:1-10.
Spatial behavior and distribution of cattle grazing riparian zones in northeastern Oregon -
Johnson, D.E., Wilson, M., Wilson, K.D., Larson, L.L., Williams, J., Ndzeidze, S.K., DelCurto, T., Clark, P. 2010. Spatial behavior and distribution of cattle grazing riparian zones in northeastern Oregon. Oregon State University Extension Publications. BEEF052:1-10.
Hydrologic vulnerability and risk assessment associated with the increased role of fire on western landscapes, Great Basin, USA -
Williams, C.J., Pierson, F.B., Robichaud, P.R., Spaeth, K.E., Hardegree, S.P., Clark, P.E., Moffet, C.A., Al-Hamdan, O.Z., and Boll, J. 2010. Hydrologic Vulnerability and Risk Assessment Associated with the Increased Role of Fire on Western Landscapes, Great Basin, USA. Presented at 2010 Fall Meeting, American Geophysical Union, San Francisco, California, 13-17 December 2010.
Digital charting technology and its applications on rangelands -
Clark, P., Johnson, D.E. 2011. Digital charting technology and its applications on rangelands. Society for Range Management Meeting Abstracts.
Predicting wolf (Canis lupus)-cattle (Bos Taurus) encounters and consequential effects on cattle resource selection patterns -
Clark, P., Chigbrow, D.J., Crane, K.K., Williams, J., Larson, L.L., Johnson, D.E. 2011. Predicting wolf (Canis lupus)-cattle (Bos Taurus) encounters and consequential effects on cattle resource selection patterns. Society for Range Management Meeting Abstracts.
Spatial movement of free-roaming cattle (Bos Taurus) when in proximity to wolves (Canis lupus) -
Williams, J., Clark, P., Crane, K., Larson, L., Johnson, D.E. 2011. Spatial movement of free-roaming cattle (Bos Taurus) when in proximity to wolves (Canis lupus). Society for Range Management Meeting Abstracts.
Feature mapping on extensive landscapes using GPS-enabled computers -
Ndzeidze______, S.K., Carr, C.A., Woerz, A.L., Clark, P., Louhaichi, M., Johnson, D.E. 2011. Feature mapping on extensive landscapes using GPS-enabled computers. Society for Range Management Meeting Abstracts.
An algorithm for approximate rectification of digital aerial images -
Ndzeidze, S.K., Johnson, K.E., Johnson, M.D., Clark, P., Louhaichi, M., Johnson, D.E. 2011. An algorithm for approximate rectification of digital aerial images. Society for Range Management Meeting Abstracts.
Hydrologic vulnerability of Great Basin sagebrush-steppe following pinyon and juniper encroachment -
Williams, C.J., Pierson, F.B., Kormos, P.R., Hardegree, S.P., Clark, P.E., and Al-Hamdan, O.Z. 2011. Hydrologic Vulnerability of Great Basin Sagebrush-Steppe Following Pinyon and Juniper Encroachment. In: Abstracts of the 64th Annual Meeting of the Society for Range Management, February 6-10, 2011, Billings, MT.
Hydrologic vulnerability of sagebrush steppe following pinyon and juniper encroachment -
Pierson Jr, F.B., Williams, C.J., Kormos, P.R., Hardegree, S.P., Clark, P., Rau, B.M. 2010. Hydrologic vulnerability of sagebrush steppe following pinyon and juniper encroachment. Rangeland Ecology and Management. 63(6):614-629.
A comparision of cumulative-germination response of cheatgrass (Bromus Tectorum L.) and five perennial bunchgrass species to simulated field-temperature regimes Reprint Icon -
Hardegree, S.P., Moffet, C.A., Roundy, B.A., Jones, T.A., Novak, S.J., Clark, P., Pierson Jr, F.B., Flerchinger, G.N. 2010. A comparision of cumulative-germination response of cheatgrass (Bromus Tectorum L.) and five perennial bunchgrass species to simulated field-temperature regimes. Environmental and Experimental Botany. 69:321-327.
Evaluation of wolf impacts on cattle productivity and behavior -
Clark, P., Wilson, K.D., Larson, L.L., Williams, J., Rimbey, N., Johnson, M.D., Crane, K., Ndzeidze, S.K., Johnson, D.E. 2009. Evaluation of wolf impacts on cattle productivity and behavior. Oregon State University Extension Publications. BEEF010:1-12.
VegMeasure 2: A software package that facilitates measurement of foliar cove, litter, and bareground on rangelands -
Johnson, M.D., Clark, P., Louhaichi, M., Worz, A., Ndzieze, S.K., Johnson, D.E. 2009. VegMeasure Z: A software package that facilitates measurement of foliar cove, litter, and bareground on rangelands. Oregon State University Extension Publications. BEEF008:1-10.
Behavior and distribution of cattle grazing riparian zones -
Wilson, M.A., Wilson, K.D., Larson, L.L., Clark, P., DelCurto, T., Johnson, D.E. 2009. Behavior and distribution of cattle grazing riparian zones. Oregon State University Extension Publications. BEEF009:1-5.
Cattle use patterns of riparian pastures in northeastern Oregon -
Wilson, M.A., Clark, P., Wilson, K.D., Larson, L.L., Johnson, M.D., Williams, J., Johnson, D.E. 2010. Cattle use patterns of riparian pastures in northeastern Oregon. Society for Range Management Meeting Abstracts.
Cattle site preference in northeastern Oregon -
Wilson, K.D., Clark, P., Larson, L.L., Williams, J., Johnson, M.D., Louhaichi, M., Johnson, D.E. 2010. Cattle site preference in northeastern Oregon. Society for Range Management Meeting Abstracts.
Comparison of the diurnal pattern and magnitude of velocities of goats (Capra Hircus), sheep (Ovis Aries), horses (Equus Caballus) and cattle (Bos Taurus) -
Louhaichi, M., Johnson, M.D., Wilson, K.D., Larson, L.L., Johnson, D.E., Clark, P. 2010. Comparison of the diurnal pattern and magnitude of velocities of goats (Capra Hircus), sheep (Ovis Aries), horses (Equus Caballus) and cattle (Bos Taurus). Society for Range Management Meeting Abstracts.
Wolf-cattle interactions in the northern Rocky Mountains -
Clark, P., Johnson, D.E. 2009. Wolf-Cattle Interactions in the Northern Rocky Mountains. In: Range Field Data 2009 Progress Report. Special Report 1092. June 2009. Corvallis, OR: Oregon State University, Agricultural Experiment Station. p. 1-7.
Distribution of cattle grazing in a northeastern Oregon riparian pasture -
Wilson, K.D., Clark, P., Louhaichi, M., Johnson, M.D., DelCurto, T., Williams, J., Larson, L.L., Harris, N.R., Vavra, M., Ganskopp, D.C., Johnson, D.E. 2009. Distribution of Cattle Grazing in a Northeastern Oregon Riparian Pasture. In: Range Field Day 2009 Progress Report. Special Report 1092. June 2009. Corvallia, OR: Oregon State University, Agricultural Experiment Station. p. 15-24.
Cutting-edge technologies: GPS/Satellite communications-based tracking -
Clark, P., Spencer, D.F., Johnson, D.E., Pierson Jr, F.B. 2009. Cutting-edge technologies: GPS/Satellite communications-based tracking. Society for Range Management Meeting Abstracts.
Wolf-livestock interactions in the northern Rocky Mountains -
Clark, P., Johnson, D.E., Wilson, K.D., Larson, L.L., Johnson, M.D., Pierson Jr, F.B. 2009. Wolf-livestock interactions in the northern Rocky Mountains. Society for Range Management Meeting Abstracts.
Intrinsic movement patterns of grazing Rocky Mountains elk (Cervus elaphus nelsonii) and beef cattle (Bos taurus) -
Johnson, M.D., Clark, P., Ganskopp, D.C., Woodside, G.J., Vavra, M., Louhaichi, M., Johnson, D.E. 2009. Intrinsic movement patterns of grazing Rocky Mountains elk (Cervus elaphus nelsonii) and beef cattle (Bos taurus). Society for Range Management Meeting Abstracts.
Effect of lunar phase on summer activity budgets of Rocky Mountain elk (Cervus elaphus nelsonii) -
Woodside, G.J., Clark, P., Ganskopp, D.C., Vavra, M., Dick, B.L., Wilkinson, M.G., Johnson, D.E. 2009. Effect of lunar phase on summer activity budgets of Rocky Mountain elk (Cervus elaphus nelsonii). Society for Range Management Meeting Abstracts.
Velocity of Rocky Mountain elk (Cervus elaphus nelsonii) grazing a Northeast Oregon pasture -
Woodside, G.J., Clark, P., Ganskopp, D.C., Vavra, M., Dick, B.L., Wilkinson, M.G., Johnson, D.E. 2009. Velocity of Rocky Mountain elk (Cervus elaphus nelsonii) grazing a Northeast Oregon pasture. Society for Range Management Meeting Abstracts.
A time-stop nonlinear model of cattle site preference in Northwestern Oregon and Western Idaho -
Johnson, M.D., Wilson, K.D., Clark, P., Larson, L.L., Woerz, A.L., Johnson, D.E. 2009. A time-stop nonlinear model of cattle site preference in Northwestern Oregon and Western Idaho. Society for Range Management Meeting Abstracts.
Effect of lunar phase on diurnal activity of Rocky Mountain Elk (Cervus Elaphus Nelsonii) -
Woodside, G.J., Johnson, D.E., Clark, P., Ganskopp, D.C., Vavra, M., Dick, B.L., Wilkinson, M.G. 2009. Effect of lunar phase on diurnal activity of Rocky Mountain Elk (Cervus Elaphus Nelsonii). Society for Range Management Meeting Abstracts. NA.
Interactions among livestock grazing, vegetation type, and fire behavior in the Murphy wildland fire complex in Idaho and Nevada, July 2007 -
Launchbaugh, K., Brammer, B., Brooks, M., Bunting, S., Clark, P., Davison, J., Fleming, M., Kay, R., Pellant, M., Pyke, D., Wylie, B. 2008. Interactions Among Livestock Grazing, Vegetation Type, and Fire Behavior in the Murphy Wildland Fire Complex , July 2007. U.S. Geological Survey Open-File Report 2008-1214. Reston, VA: USGS. P.42
Point sampling to stratify biomass variablity in sagebrush steppe vegetation Reprint Icon -
Clark, P., Hardegree, S.P., Moffet, C.A., Pierson Jr, F.B. 2008. Point sampling to stratify biomass variablity in sagebrush steppe vegetation. Rangeland Ecology and Management 61:614-622.
Prescribed-fire effects on rill and interrill runoff and erosion in a mountainous sagebrush landscape Reprint Icon -
Pierson Jr, F.B., Moffet, C.A., Williams, C.J., Hardegree, S.P., Clark, P. 2009. Prescribed-Fire Effects on Rill and Interrill Runoff and Erosion in a Mountainous Sagebrush Landscape. Earth Surface Processes and Landforms. 34:193-203.
Soil water repellency and infiltration in coarse-textured soils of burned and unburned sagebrush ecosystems -
Pierson, F.B., Robichaud, P.R., Moffet, C.A., Spaeth, K.E., Williams, C.J., Hardegree, S.P., and Clark, P.E. 2008. Soil water repellency and infiltration in coarse-textured soils of burned and unburned sagebrush ecosystems. Catena 74:98-108.
A direct approach for quantifying stream shading -
Clark, P., Johnson, D.E., Hardegree, S.P. 2008. A direct approach for quantifying stream shading. Rangeland Ecology and Management.61:339-345.
Diurnal activity of Rocky Mountain elk (Cervus elaphus) and beef cattle (Bos taurus) grazing a northeastern Oregon summer range -
Clark, P., Johnson, M.D., Ganskopp, D.C., Cook, R.C., Varva, M., Louhaichi, M., and Johnson, D.E. 2008. Diurnal activity of Rocky Mountain elk (Cervus elaphus) and beef cattle (Bos taurus) grazing a northeastern Oregon summer range. IN: 2008 Annual Conference Proceedings of the ASPRS. April 28 - May 2, 2008. Portland, OR. American Society for Photogrammetry and Remote Sensing. Abstract.
Diurnal activity of Rocky Mountain elk (Cervus elaphus) and beef cattle (Bos taurus) grazing a northeastern Oregon summer range -
Using high frequency GPS to determine spatial-temporal activity of ungualtes -
Johnson, M.D., Clark, P., Ganskopp, D.C., Cook, R.C., Varva, M., Louhaichi, M., and Johnson, D.E. 2008. Using high frequency GPS to determine spatial-temporal activity of ungualtes. IN: 2008 Annual Conference Proceedings of teh ASPRS. April 28-May 2, 2008. Portland, OR. American Society for Photogrammetry and Remote Sensing.
A protocol for monitoring vegetation, bare ground and litter in scaled globally-positioned, ground-level digital imagery -
Johnson, M.D., Harris, N.R., Louhaichi, M., Clark, P., and Johnson, D.E. 2008. A protocal for monitoring vegetation, bare ground and litter in scaled globally-positioned, ground-level digital imagery. IN: 2008 Annual Conference Proceedings of the ASPRS. April 28-May 2, 2008. Portland, OR. American Society for Photogrammetry and Remote Sensing. Abstract.
SPATIAL BEHAVIOR OF DOMESTIC GOATS (CAPRA HIRCUS) GRAZING A CENTRAL OREGON RANGELAND -
Clark, P., Larson, L., Richman, L., Johnson, D.E., Ganskopp, D.C., Louhaichi, M. 2008. Spatial behavior of domestic goats (capra hircus) grazing a central oregon rangeland. Society for Range Management Meeting Abstracts. Building Bridges:Grasslands to Rangelands. Conservation Effects Assesment Program Poster#14.
Evaluating post-fire cattle grazing strategies for sagebrush steppe rangelands -
Clark, P., Hardegree, S.P., and Pierson Jr, F.B. 2008. Evaluating post-fire cattle grazing strategies for sagebrush steppe rangelands. IN: Abstracts of teh 61st Annual Meeting of the Society for Range Management. January 26 - 31, 2008. Louisville, KY. Society for Range Management. Lukewood, CO. Abstract.
Using GPA-based, animal tracking systems to evaluate effects on landscape-scale disturbance on livestock distribution and activity patterns:Demo. -
Clark, P. 2008. Using GPA-based, animal tracking systems to evaluate effects on landscape-scale disturbance on livestock distribution and activity patterns. IN: Abstracts of the 61st Annual Meeting of the Society for Range Management. January 26-31, 2008. Louisville, KY. Society for Range Management, Lakewood, CO. Abstract.
Fire effects on rangeland hydrology and erosion in a steep sagebrush-dominated landscape -
Pierson, F.B., Robichaud, P.R., Moffet, C.A., Spaeth, K.E., Hardegree, S.P., Clark, P.E., and Williams, C.J. 2008. Fire Effects on Rangeland Hydrology and Erosion in a Steep Sagebrush-Dominated Landscape. Hydrological Processes: 22, 2916-2929.
A comparision of cumulative-germination response of cheatgrass (bromus tectorum) and four perennial bunchgrass species to simulated field-temperature regimes -
Hardegree, S.P., B.A. Roundy, T.A. Jones, F.B. Pierson AND P.E. Clark. 2008. A comparision of cumulative-germination response of cheatgrass (Bromus tectorum) and four perennial bunchgrass species to simulated field-temperature regimes. In: Abstracts of the 61st Annual Meeting, Society for Range Management, Louisville, KY, January 26-31, 2008. (CD-ROM Abstract)
Dynamic variability in thermal-germination response of squirreltail (Elymus Elymoides and Elymus Multisetus) -
Hardegree, S.P., Jones, T.A., Pierson Jr, F.B., Clark, P., Flerchinger, G.N. 2008. Dynamic Variability in Thermal-Germination Response of Squirreltail (Elymus elymoides and Elymus multisetus). Environmental and Experimental Botany 62:120-128.
45 years of climate and hydrologic research conducted at the Reynolds Creek Experimental Watershed -
Flerchinger, G.N., Marks, D.G., Seyfried, M.S., Pierson Jr, F.B., Nayak, A., Hardegree, S.P., Winstral, A.H., and Clark, P. 2007. 45 years of climate and hydrologic research conducted at the reynolds creek experimental watershed. pp 135-143. In: J.R. Rogers (ed.), Environmental and Water Resources: Milestones in Engineering History. Sponsored by ASCE Environmental and Water Resources Institute (EWRI) National History & Heritage Committee. American Society of Civil Engineers, Reston, VA. 168p.
CLASSIFICATION OF CATTLE ACTIVITY BASED UPON HIGH FREQUENCY SPATIAL POSITIONING -
Johnson, M., Sheehy, C., Harris, N., Clark, P., Ganskopp, D.C., Louhaichi, M. 2007. Classification of cattle activity based upon high frequency spatial positioning [abstract]. Society for Range Management Meeting Abstracts. Paper No. 221.
PREDICTING HABITAT SUITABILITY FOR TWO BREEDS OF CATTLE (ENGLISH AND SPANISH) IN NORTHEASTERN OREGON PRAIRIE ECOSYSTEMS -
Sheehy, C., Hale, M., Sheehy, D., Ganskopp, D.C., Clark, P., Johnson, D. 2007. Predicting habitat suitability for two breeds of cattle (English and Spanish) in northeastern oregon prairie ecosystems [abstract]. Society for Range Management Meeting Abstracts. Paper No. 399.
Prescribed-fire impacts on vegetation, soil and water resources at the Reynolds Creek Experimental Watershed in southwest Idaho -
Hardegree, S.P., Clark, P., Pierson Jr, F.B., Seyfried, M.S., Moffet, C.A. 2007. Prescribed-Fire Impacts on Vegetation, Soil and Water Resources at the Reynolds Creek Experimental Watershed in Southwest Idaho.In: Abstracts of the 60th Annual Meeting, Society for Range Management, Reno, NV, Feb 11-15, 2007. (CD-ROM Abstract)
Effects of wolf predation threat on habitat use, activity, diets and resource impacts of wild and domestic ungulates -
Clark, P., Johnson, D.E., Kniep, M. 2007. Effects of wolf predation threat on habitat use, activity, diets and resource impacts of wild and domestic ungulates. In: Abstracts of the 60th Annual Meeting of the Society for Range Management. February 9-16, 2007. Reno-Sparks, Nevada CD-ROM Abstract #414.
Low-cost radiation shielding for use in mapping the thermal environments of rangeland animals -
Clark, P.E., Johnson, D.E., Harris, N., and Thomas, D.R. 2006. Low-Cost Radiation Shielding for Use in Mapping the Thermal Environments of Rangeland Animals. Rangeland Ecology and Management. 59:674-679.
An advanced, low cost, GPS-based animal tracking system -
Clark, P., Johnson, d., Kniep, M., Huttash, B., Wood, A., Johnson, M., McGillivan, C., Titus, K. 2006. An advanced, low-cost, GPS-based animal tracking system. Rangeland Ecology & Management 2006;59:334-340
Evaluating wolf effects on livestock and ungulates using the Clark Animal Tracking System -
Clark, P.E. 2006. Evaluating wolf effects on livestock and wild ungulates using the Clark Animal Tracking System. In: Abstracts of the 59th Annual Meeting of the Society for Range Management. February 12-17-2006. Vancouver, B.C. (CD-ROM)
Climate and hydrologic research conducted at the Reynolds Creek Experimental Watershed -
Flerchinger, G., Marks, D., Hardegree, S., Winstral, A., Seyfried, M., Pierson, F., and Clark, P. 2006. Climate and Hydrologic Research Conducted at the Reynolds Creek Experimental Watershed. Owyhee Outpost, A Journal of the History of the Owyhee County 37:72-91.
Quantifying vegetation change by point sampling landscape photography time series -
Clark, P.E., Hardegree, S.P. 2005. Estimating vegetation change from repeat landscape photography using angular cover. Rangeland Ecology & Management 58:588-597.
Quantifying vegetation change with repent landscape photography -
Clark, P.E., and Hardegree, S.P., 2005. Quantifying vegetation change with repent landscape photography. (abstract). 58th Annual Society for Range Management Meeting, February 5-11, 2005. Fort Worth, TX. CD-ROM Abstract.
Hypothesized hydrological response to a prescribed fire on a small mountainous watershed -
Flerchinger, G.N., and Clark, P.E., 2003. Hypothesized hydrological response to a prescribed fire on a small mountainous watershed. Abstract H32C-0585 In: EOS Transactions, Vol. 84(46) supplement, American Geophysical Union, CD-ROM)
Prescribed-fire research at the Reynolds Creek Experimental Watershed in southwestern Idaho -
Hardegree, S.P., Pierson, F.B., and Clark, P.E. 2004. Prescribed-fire research at the Reynolds Creek Experimental Watershed in southwestern Idaho. 57th Annual Meeting, Society for Range Management, CD-ROM abstract #127.
Potential hydrologic response to a prescribed fire on a small mountainous watershed -
Flerchinger, G.N., Clark, P.E., First Interagency Conference on Research in the Watersheds, 2003. p. 631-636
APPLICATIONS AND RESEARCH USING REMOTE SENSING FOR RANGELAND MANAGEMENT -
HUNT JR, E.R., EVERITT, J.H., RITCHIE, J.C., MORAN, M.S., BOOTH, D.T., ANDERSON, G.L. APPLICATIONS AND RESEARCH USING REMOTE SENSING FOR RANGELAND MANAGEMENT. PHOTOGRAMMETRIC ENGINEERING AND REMOTE SENSING.
DATE AND PLANT COMMUNITY AFFECTS ON ELK SEDGE FORAGE QUALITY -
Clark, Patrick E., Date and plant community effects on elk sedge forage quality., Journal of Range Management 2003, v.56, p. 21-26
POINT SAMPLING FOR LEAF AREA INDEX IN SAGEBRUSH STEPPE COMMUNITIES -
Clark, Patrick, Seyfried, Mark S., Point Sampling Validation for Leaf Area Index Assessment in Shrub Steppe Communities, Journal of Range Management, pp 589-594, v. 54, 2001.
INTERMOUNTAIN PLANT COMMUNITY CLASSIFICATION USING LANDSAT TM AND SPOT HRV DATA -
Clark, Patrick, Seyfried, Mark S., Harris, Bob, Intermountain Plant Community Mapping Using LANDSAT and SPOT, Journal of Range Management, pp 152-160, v. 54, 2001.
STREAM SHADING ASSESSMENT WITH AIRBORNE MULTISPECTRAL VIDEOGRAPHY -
Clark, P.E., Stream shading assessment with airborne multispectral videography., p.1-11., 2000 conference
INTERMOUNTAIN PLANT COMMUNITY CLASSIFICATION AND MAPPING USING LANDSAT TM AND SPOT HRV -
USE OF MULTISPECTRAL AERIAL VIDEOGRAPHY FOR RIPARIAN CONDITION ASSESSMENT IN SAGEBRUSH-STEPPE RANGELANDS -
LIVESTOCK GRAZING EFFECTS ON FORAGE QUALITY OF ELK WINTER RANGE -
EVALUATING ECOLOGICAL CONDITION OF RIPARIAN ECOSYSTEMS USING AERIAL VIDEOGRAPHY -
Last Modified: 5/2/2016
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