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United States Department of Agriculture

Agricultural Research Service

Related Topics

Stuart P Hardegree
Boise, Idaho
Plant Physiology

Phone: (208) 422-0728
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
Weather data and forecasting applications for management of ecological site transitions
Interagency Reimbursable Agreement (I)
  Accession Number: 424020
Great Basin Research and Management Partnership Memorandum of Understanding
Memorandum of Understanding (M)
  Accession Number: 429810

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Ecosystem water availability in juniper versus sagebrush snow-dominated rangelands -
Kormos, P.R., Marks, D.G., Pierson Jr, F.B., Williams, C.J., Hardegree, S.P., Havens, S.C., Hedrick, A., Bates, J.D., Svejcar, A.J. 2016. Ecosystem water availability in juniper versus sagebrush snow-dominated rangelands. Rangeland Ecology and Management. doi: 10.1016/j.rama.2016.05.003.
Hydrologic response and recovery to prescribed fire and vegetation removal in a small rangeland catchment -
Flerchinger, G.N., Seyfried, M.S., Hardegree, S.P. 2016. Hydrologic response and recovery to prescribed fire and vegetation removal in a small rangeland catchment. Ecohydrology. doi: 10.1002/eco.1751.
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.
Assessment of range planting as a conservation practice -
Hardegree, S.P., Jones, T.A., Roundy, B., Shaw, N., Monaco, T.A. 2016. Assessment of range planting as a conservation practice. Rangeland Ecology and Management. 69:237-247.
Editorial: a scientifically rigorous and user-friendly Rangeland Ecology & Management Reprint Icon -
Sheley, R.L., Boyd, C.S., Dobrowolski, J., Hardegree, S.P., James, J., Mangold, J. 2016. Editorial: a scientifically rigorous and user-friendly Rangeland Ecology & Management. Rangeland Ecology and Management. 69(1):1-3. doi: 10.1016/j.rama.2015.10.013.
Temporal variability in microclimatic conditions for grass germination and emergence in the sagebrush steppe -
Hardegree, S.P., Sheley, R.L., Duke, S.E., James, J.J., Boehm, A.R., Flerchinger, G.N. 2016. Temporal variability in microclimatic conditions for grass germination and emergence in the sagebrush steppe. Rangeland Ecology and Management. 69(2):123-128.
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.
Can biochar be used as a seed coating to improve native plant germination and growth in arid conditions? -
Williams, M.I., Dumroese, K.R., Page-Dumroese, D., Hardegree, S.P. 2016. Can biochar be used as a seed coating to improve native plant germination and growth in arid conditions? Journal of Arid Environments. 125:8-15.
Do key dimensions of seed and seedling functional trait variation capture variation in recruitment probability? Reprint Icon -
Larson, J.E., Sheley, R.L., Hardegree, S.P., Doescher, P.S., James, J.J. 2015. Do key dimensions of seed and seedling functional trait variation capture variation in recruitment probability? Oecologia. 181:39-53. doi: 10.1007/s00442-015-3430-3.
Northwest regional climate hub assessment of climate change vulnerability and adaptation and mitigation strategies -
Creighton, J., Strobel, M., Hardegree, S.P., Steele, R., Van Horne, B., Gravenmier, B., Owen, W., Peterson, D., Hoang, L., Little, N., Bochicchio, J., Hall, W., Cole, M., Hestvik, S., Olsen, J. 2015. Northwest regional climate hub assessment of climate change vulnerability and adaptation and mitigation strategies. A. Perry, Ed., United States Department of Agriculture, 52 pp. (http://climatehubs.oce.usda.gov/sites/default/files/Northwest%20Vulnerability%20Assessment%20Final.pdf)
Incorporating hydrologic data and ecohydrologic relationships in ecological site descriptions -
Williams, C.J., Pierson Jr, F.B., Spaeth, K.E., Brown, J.R., Al-Hamdan, O.Z., Weltz, M.A., Nearing, M.A., Herrick, J.E., Boll, J., Robichaud, P.R., Goodrich, D.C., Heilman, P., Guertin, P.D., Hernandez, M., Wei, H., Hardegree, S.P., Strand, E.K., Bates, J.D., Metz, L., Nichols, M.H. 2016. Incorporating hydrologic data and ecohydrologic relationships in ecological site descriptions. Rangeland Ecology and Management. 69:4-19.
Book title: Exotic brome grasses in arid and semi-arid ecosystems of the western US: causes, consequences, and management implications -
Monaco, T.A., Hardegree, S.P., Pellant, M., Brown, C.S. 2016. Book title: Exotic brome grasses in arid and semi-arid ecosystems of the western US: causes, consequences, and management implications. Book Chapter. Springer, New York. 339-370.
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.
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..
Seed and seedling traits affecting critical life stage transitions and recruitment outcomes in dryland grasses Reprint Icon -
Larson, J.E., Sheley, R.L., Hardegree, S.P., Doescher, P.S., James, J.J. 2015. Seed and seedling traits affecting critical life stage transitions and recruitment outcomes in dryland grasses. Journal of Applied Ecology. 52:199-209. doi: 10.1111/1365-2664.12350.
Incorporating plant mortality and recruitment into rangeland management and assessment Reprint Icon -
Svejcar, A.J., James, J.J., Hardegree, S.P., Sheley, R.L. 2014. Incorporating plant mortality and recruitment into rangeland management and assessment. Rangeland Ecology and Management. 67:603-613. doi: 10.2111/REM-D-13-00102.1.
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.
Resilience to disturbance and resistance to alien grass invasions in the cold desert of western North America -
Chambers, J.C., Bradley, B.B., D'Antonio, C., Germino, M.J., Grace, J.B., Hardegree, S.P., Miller, R.F., Pyke, D.A. 2013. Resilience to disturbance and resistance to alien grass invasions in the cold desert of western North America. Ecosystems. 17:360-375.
Lidar-derived estimate and uncertainty of carbon sink in successional phases of woody encroachment -
Sankey, T.T., Shrestha, R., Sankey, J.B., Hardegree, S.P., Strand, E. 2013. Lidar-derived estimate and uncertainty of carbon sink in successional phases of woody encroachment. Journal of Geophysical Research-Biogeosciences. 118:1144-1155.
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.
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.
Weather variability and adaptive management for rangeland restoration -
Hardegree, S.P., Schneider, J.M., Moffet, C.A. 2012. Weather variability and adaptive management for rangeland restoration. Rangelands. 34(6):53-56.
Using weather data to improve decision-making -
Hardegree, S.P., Schneider, J.M., Moffet, C.A., Boehm, A.R. 2012. Using weather data to improve decision-making. Agricultural Research Service Publication. 18 p.
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.
Characterization of within-day beginning times of storms for stochastic simulation -
Bonta, J.V., Hardegree, S.P., Cho, J. 2012. Characterization of within-day beginning times of storms for stochastic simulation. American Society of Agricultural and Biological Engineers. 55(4):1179-1192.
Simultaneous heat and water model: Model use, calibration and validation -
Flerchinger, G.N., Caldwell, T.G., Cho, J., Hardegree, S.P. 2012. Simultaneous heat and water model: Model use, calibration and validation. Transactions of the ASABE. 55(4):1395-1411.
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.
LiDAR-derived carbon estimates in encroaching juniper woodlands -
Sankey, T.T., Shrestha, R., Sankey, J., Hardegree, S.P. 2011. LiDAR-derived carbon estimates in encroaching juniper woodlands. Trans American Geophysical Union.
Vegetation cover and volume estimates in semi-arid rangelands using LiDAR and hyperspectral data -
Spaete, L., Mitchell, J., Glenn, N.F., Shrestha, R., Sankey, T.T., Murgoitio, J., Gould, S., Leedy, T., Hardegree, S.P. 2011. Vegetation cover and volume estimates in semi-arid rangelands using LiDAR and hyperspectral data. Trans American Geophysical Union.
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.
Effect of fungicide on Wyoming big sagebrush seed germination -
Cox, R.D., Kosberg, L.H., Shaw, N.L., Hardegree, S.P. 2011. Effect of fungicide on Wyoming big sagebrush seed germination. Native Plant Journal. 12:262-267.
Weather data, site variability, and probabilities of success: a practical perspective on adaptive management -
Hardegree, S.P., Cho, J. 2012. Weather data, site variability, and probabilities of success: a practical perspective on adaptive management. In: Abstracts of the 65th Annual Meeting, Society for Range Management, Spokane, WA, Jan 29-Feb 3, 2012 (CD-ROM Abstract).
Germination prediction from soil moisture and temperature in the Great Basin -
Cline, N.L., Roundy, B.A., Hardegree, S.P. 2012. Germination prediction from soil moisture and temperature in the Great Basin. In: Abstracts of the 65th Annual Meeting, Society for Range Management, Spokane, WA, Jan 29-Feb 3, 2012 (CD-ROM Abstract).
Weather variability, ecological processes and optimization of soil micro-environment for rangeland restoration -
Hardegree, S.P., Cho, J., Schneider, J.M. 2012. Weather variability, ecological processes and optimization of soil micro-environment for rangeland restoration. In: Monaco, T.A. and Sheley, R.L., editors. Invasive Plant Ecology and Management: Linking Processes to Practice. Wallingford, Oxon: CAB International. p. 107-121.
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.
Errors in LiDAR-derived shrub height and crown area on sloped terrain -
Glenn, N.F., Spaete, L.P., Sankey, T.T., Derryberry, D.R., Hardegree, S.P., Mitchell, J.J. 2010. Errors in LiDAR-derived shrub height and crown area on sloped terrain. Journal of Arid Environments. 75(4):377-382.
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.
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.
The Great Basin Research and Management Partnership: Facilitating Collaborative Solutions -
Hardegree, S.P. 2011. The Great Basin Research and Management Partnership: Facilitating Collaborative Solutions. In: Abstracts of the 64th Annual Meeting, Society for Range Management, Billings, MT, Feb 6-10, 2011 (CD-ROM Abstract).
Rehabilitation of medusahead and cheatgrass dominated rangelands in the Boise foothills. An Ecologically-based Invasive Plant Management (EBIPM) program research and demonstration project -
Hardegree, S.P., Cho, J. 2011. Rehabilitation of medusahead and cheatgrass dominated rangelands in the Boise foothills. An Ecologically-based Invasive Plant Management (EBIPM) program research and demonstration project. In: Abstracts of the 64th Annual Meeting, Society for Range Management, Billings, MT, Feb 6-10, 2011 (CD-ROM Abstract).
Hydrothermal indices for classification of seedbed microclimate -
Hardegree, S.P., Cho, J., Roundy, B., Moffet, C., Jones, T.A., James, J.J., Shaw, N., Cox, R. 2011. Hydrothermal indices for classification of seedbed microclimate. In: Abstracts of the 64th Annual Meeting, Society for Range Management, Billings, MT, Feb 6-10, 2011 (CD-ROM Abstract).
Weather and climate applications for rangeland restoration planning -
Cho, J., Hardegree, S.P., Schneider, J.M. 2011. Weather and climate applications for rangeland restoration planning. In: Abstracts of the 64th Annual Meeting, Society for Range Management, Billins, MT, Feb 6-10, 2011 (CD-ROM Abstract).
Germination prediction from soil moisture and temperature data across the Great Basin -
Cline, N., Roundy, B., Hardegree, S.P. 2011. Germination prediction from soil moisture and temperature data across the Great Basin. In: Abstracts of the 64th Annual Meeting, Society for Range Management, Billings, MT, Feb 6-10, 2011 (CD-ROM Abstract).
Fine-scale characterization of juniper expansion via LiDAR data and fusion with Landsat 5 TM image -
Sankey, T.T., Glenn, N.F., Shrestha, R., Hardegree, S.P. 2010. Fine-scale characterization of juniper expansion via LiDAR data and fusion with Landsat 5 TM image. In: EOS Transactions, American Geophysical Union Annual Meeting, Vol 91, December 2010. San Francisco, CA (CD-ROM Abstract).
Modeling low-height vegetation with airborne LiDAR -
Glenn, N.F., Mitchell, J., Spaete, L., Sankey, T.T., Shrestha, R., Hardegree, S.P. 2011. Modeling low-height vegetation with airborne LiDAR. In: EOS Transactions, American Geophysical Union, Annual Meeting, Vol 91, December 2010. San Francisco, CA (CD-ROM Abstract).
Vegetation and slope effects on accuracy of a LiDAR-derived DEM in the sagebrush steppe -
Spaete, L.P., Glenn, N.F., Derryberry, D.R., Sankey, T.T., Hardegree, S.P. 2011. Vegetation and slope effects on accuracy of a LiDAR-derived DEM in the sagebrush steppe. International Journal of Remote Sensing. 2(4):317-326.
Assessment of range planting as a conservation practice -
Hardegree, S.P., T.A. Jones, B.A. Roundy, N.L. Shaw and T.A. Monaco. 2011. Assessment of range planting as a conservation practice. Chapter 4, In: Briske, D.D., editor. Conservation Benefits of Rangeland Practices: Assessment, Recommendations, and Knowledge Gaps. Lawrence, KS: Allen Press. p. 171-212.
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.
Characterizating western juniper expansion via a fusion of Landsat 5 thematic mapper and LiDAR data -
Sankey, T.T., Glenn, N.F., Ehinger, S., Boehm, A.R., Hardegree, S.P. 2010. Characterizating western juniper expansion via a fusion of Landsat 5 thematic mapper and LiDAR data. Rangeland Ecology and Management. 63(5):514-523.
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.
The Great Basin Research and Management Partnership -
Hardegree, S.P., J.C. Chambers, M. Pellant. (2010). The Great Basin Research and Management Partnership. In: Abstracts of the 63nd Annual Meeting, Society for Range Management, Denver, CO, Feb 7-11, 2010 (CD-ROM Abstract)
Biomass estimation of Douglas fir stands using airborne LiDAR data -
Wang, C., Glenn, N.F., Hardegree, S.P., Boehm, A.R. 2008. Biomass estimation of Douglas fir stands using airborne LiDAR data. In: EOS, Transactions, American Geophysical Union, Annual Meeting, Vol 89, Dec 15-19,2008. San Francisco, CA (CD-ROM Abstract).
Assessment of range planting as a conservation practice -
Hardegree, S.P., B.A. Roundy, N.L. Shaw., C.A. Moffet, T.A. Monaco, T.A. Jones and E.F. Redente. 2009. Assessment of range planting as a conservation practice. In: Abstracts of the 62nd Annual Meeting, Society for Range Management, Albuquerque, NM, Feb 8-12, 2009 (CD-ROM Abstract).
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.
Evaluation of NEXRAD radar precipitation products for natural resource applications -
Hardegree, S.P., Van Vactor, S.S., Levinson, D.H., Winstral, A.H. 2008. Evaluation of NEXRAD Radar Precipitation Products for Natural Resource Applications. Rangeland Ecology and Management 61:339-345.
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.
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.
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)
Prediction of cheatgrass field germination potential using wet thermal accumulation -
Roundy, B.A., Hardegree, S.P., Chambers, J.C., Whittaker, A. 2007. Prediction of cheatgrass field germination potential using wet thermal accumulation. Rangeland Ecology and Management, V60, 613-623.
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.
Runoff and erosion after cutting western juniper -
Pierson Jr, F.B., Bates, J.D., Svejcar, T.J.,and Hardegree, S.P. 2007. Runoff and erosion after cutting western juniper. Rangeland Ecology and Management 60:285-292.
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)
Predicting germination response to temperature: II. Three-dimensional regression, statistical gridding and iterative-probit optimization using measured and interpolated-subpopulation data. -
Hardegree, S.P., and Winstral, A.H. 2006. Predicting germination response to temperature: II. Three-dimensional regression, statistical gridding and iterative-probit optimization using measured and interpolated-subpopulation data. Annals of Botany 98 (2) pp. 403.410.
Predicting germination response to temperature. III. Model validation under field-variable temperature conditions -
Hardegree, S.P. 2006. Predicting germination response to temperature. iii. model validation under field-variable temperature conditions. Annals Of Botany 98:827-834
Using soil freezing characteristics to model multi-season soil water dynamics -
Flerchinger, G.N., Seyfried, M.S., Hardegree, S.P. 2006. Using Soil Freezing Characteristics to Model Multi-Season Soil Water Dynamics. Vadose Zone Journal. 5:1143-1153.
Predicting germination response to temperature. I. Cardinal-temperature models and subpopulation-specific regression -
Hardegree, S.P., 2006. Predicting germination response to temperature. I. Cardinal-termperature models and subpopulation-specific regression, Annals of Botany 97:1115-1125, 2006.
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.
Modeling soil erosion on steep sagebrush rangeland before and after prescribed fire -
Moffet, C.A., Pierson Jr, F.B., Robichaud, P.R., Spaeth, K., and Hardegree, S.P. 2007. Modeling soil erosion on steep sagebrush rangeland before and after prescribed fire. Catena 71:218-228.
EFFECT OF RUMINAL INCUBATION ON PERENNIAL PEPPERWEED GERMINATION -
Carpinelli, M.F., Schauer, C.S., Bohnert, D.W., Hardegree, S.P., Falck, S.J., Svejcar, A.J. 2005. Effect of ruminal incubation on perennial pepperweed germination. Rangeland Ecology and Management. 58:632-636.
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.
Use of the soil freezing charactertistic to model frozen and unfrozen soil water dynamics -
Flerchinger, G.N., Seyfried, M.S., and Hardegree, S.P., 2004. Use of the soil freezing characteristic to model frozen and unfrozen soil water dynamics. In: Annual meetings abstracts (CD-ROM), ASA, CSA, and SSSA, Madison, WI. Vol 49, pp. 6418 (CD-ROM abstract)
MODELING NEAR-SURFACE TEMPERATURE AND MOISTURE OF POST-WILDFIRE SEEDBED FOR GERMINATION RESPONSE PREDICTIONS -
Flerchinger, Gerald N., Hardegree, Stuart P., 2004. Modeling near-surface temperature and moisture of post-wildfire seebed for germination response predictions, Journal of Aird Environments 59, 369-385
INFORMATION TECHNOLOGY APPLICATIONS IN THE ARS WATERSHED NETWORK -
STEINER, J.L., GOODRICH, D.C., HARDEGREE, S.P., BURKART, M.R., STRICKLAND, T.C., ALONSO, C.V., BRYANT, R.B., WELTZ, M.A. INFORMATION TECHNOLOGY APPLICATIONS IN THE ARS WATERSHED NETWORK. PROCEEDINGS OF THE FIRST INTERAGENCY CONFERENCE ON RESEARCH IN THE WATERSHEDS. 2003. p. 62-67.
DATA FOR NATURAL RESOURCE MODELS: ROLE OF DATA/INFORMATION SYSTEMS. -
STEINER, J.L., GOODRICH, D., HARDEGREE, S., BURKHART, M.R., STRICKLAND, T.C., BRYANT, R.B., ALONZO, C.V., WELTZ, M.A. DATA FOR NATURAL RESOURCE MODELS: ROLE OF DATA/INFORMATION SYSTEMS. CD-ROM. MADISON, WI: AMERICAN SOCIETY OF AGRONOMY. 2003.
Multi-watershed evaluation of WSR-88D (NEXRAD) radar-precipitation products for hydrologic and natural resources modeling applications -
Hardegree, S.P., Van Vactor, S.S., Healy, K.R., Alonso, C.V., Bonta, J.V., Bosch, D.D., Fisher, D.S., Goodrich, D.C., Harmel, R.D., Steiner, J.L., Van Liew, M.W., 2003, Multi-watershed evaluation of WSR-88D (NEXRAD) radar-precipitation products for hydrologic and natural resources modeling applications. In: American Geophysical Union. 84(46):H22D-0962.
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.
Microclimatic constraints and revegetation planning in a variable environment -
Hardegree, S.P., Van Vactor, S.S. 2004. Microclimatic constraints and revegetation planning in a variable environment. Weed Technology 18:1213-1215.
Multi-watershed evaluation of WSR-88D (NEXRAD) radar-precipitation products -
Hardegree, S.P., Van Vactor, S.S., Healy, K.R., Alonso, C.V., Bonta, J.V., Bosch, D.D., Fisher, D.S., Goodrich, D.C., Harmel, R.D., Steiner, J.L., Van Liew, M.W., 2003. Multi-watershed evaluation of WSR-88D (NEXRAD) radar-precipitation products. In: Proceedings of the First Interagency Conference on Research in the Watersheds, October 28-30, 2003, Benson, Arizona, p. 486-491.
Microclimatic constraints and revegetation planning in a variable environment -
Hardegree, S.P., Flerchinger, G.N., and Van Vactor, S.S. 2003. Microclimate constraints and revegetation planning in a variable environment. (abstract) 7th Internation Conference on the Ecology and Management of Alien Plant Invasions. p. 35
Microclimatic constraints and revegetation planning in a variable environment -
Hardegree, S., Flerchinger, G., and Van Vactor, S. 2003. Microclimatic constraints and revegetation planning in a variable environment. 7th International Conference on the Ecology and Management of Alien Plant Invasions, Invasive Plants in Natural and Managed Systems; Linking Science and Management, Ft. Lauderdale, Fl, Nov 3-7-2003., abs, p. 35
Hydrothermal germination response and the development of probabilistic germination profiles -
Hardegree, S.P., Flerchinger, G.N., Van Vactor, S.S., Hydrothermal germination response and the development of probabilistic germination profiles. Ecological Modelling 2003, v. 167, p. 305-322.
INFORMATION TECHNOLOGY APPLICATIONS TO WATER RESOURCES RESEARCH -
STEINER, J.L., GOODRICH, D., HARDEGREE, S., BURKART, M.R., STRICKLAND, T.C., WELTZ, M.A. INFORMATION TECHNOLOGY APPLICATIONS TO WATER RESOURCES RESEARCH. PROCEEDINGS OF THE NATIONAL WATERSHED CONFERENCE. 2003. p. 285-290.
Annual and seasonal patterns of seedbed microclimate: rehabilitation and restoration planning in a variable environment -
Modeling soil freezing dynamics -
Flerchinger, G.N., Seyfried, M.S., Hardegree, S.P. 2002. Modeling soil freezing dynamics.Abstract H11D-0880 In: EOS Transactions, Vol. 87 (43) Supplement, p. F538. American Geophysical Union, Washington D.C. (Abstract)
VARIABILITY IN THERMAL RESPONSE OF PRIMED AND NON-PRIMED SEEDS OF SQUIRRELTAIL }ELYMUS ELYMOIDES (RAF.) SWEZEY AND ELYMUS MULTISETUS (J.G.SMITH) M.E. JONES} -
Hardegree, Stuart P., Jones, Thomas A., Van Vactor, Steven S., Variability in Thermal Response of Primed and Non-primed Seeds of Squirreltail {Elymus elymoides (Raf.) Swezey and Elymus multisetus (J.G. Smith) M.E. Jones}. Annals of Botany 2002, v. 89, p. 311-319.
VARIABILITY IN THERMAL RESPONSE OF PRIMED AND NON-PRIMED SEEDS OF SQUIRRELTAIL (ELYMUS ELYMOIDES (RAF.) SWEZEY AND ELYMUS MULTISETUS (J.G. SMITH) M.E. JONES) -
HARDEGREE, STUART P., JONES, THOMAS A., and VAN VACTOR, STEVEN S., Variability in Thermal Response of Primed and Non-primed Seeds of Squirreltail (Elymus elymoides (Raf.) Swezey and Elymus multisetus (J.G. Smith) M.E. Jones). Annals of Botany Company 2002, p. 311-319.
SUCROSE APPLICATION FOR SUPPRESSION OF ANNUAL WEEDS -
MODELING NEAR-SURFACE SOIL TEMPERATURE AND MOISTURE FOR SEEDLING GERMINATION RESPONSE -
GERMINATION AND EMERGENCE OF PRIMED GRASS SEEDS UNDER FIELD AND SIMULATED- FIELD TEMPERATURE REGIMES -
PREDICTING GERMINATION RESPONSE OF FOUR COOL-SEASON GRASSES TO FIELD- VARIABLE TEMPERATURE REGIMES -
GERMPLASM SCREENING FOR THERMAL GERMINATION RESPONSE -
PREDICTING VARIABLE-TEMPERATURE RESPONSE OF NON-DORMANT SEEDS FROM CONSTANT-TEMPERATURE GERMINATION DATA -
THE SIMULTANEOUS HEAT AND WATER (SHAW) MODEL: A RESEARCH TOOL FOR MANAGEMENT DECISIONS -
EFFECTS OF CLIMATE CHANGE ON EARLY PLANT ESTABLISHMENT - MAINTENANCE AND RESTORATION OF NATIVE PLANT COMMUNITIES IN THE GREAT BASIN -
PARTIAL AND FULL DEHYDRATION IMPACT ON GERMINATION OF FOUR WARM-SEASON GRASSES -
STOCHASTIC WEATHER SIMULATION: OVERVIEW AND ANALYSIS OF TWO COMMONLY USED MODELS -
SEEDBED MICROCLIMATIC MODELING FOR BURN REHABILITATION PLANNING IN THE GREAT BASIN REGION OF THE WESTERN UNITED STATES -
MICROCLIMATIC SITE PROFILE DESCRIPTIONS FOR EARLY PLANT ESTABLISHMENT -
OPTIMIZATION OF SEED PRIMING TREATMENTS TO INCREASE LOW-TEMPERATURE GERMINATION RATE -
MATRIC PRIMING INCREASES GERMINATION RATE OF GREAT BASIN NATIVE PERENNIAL GRASSES -
ARS News Articles
Last Modified: 5/2/2016
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