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DEGREES:
RESEARCH INTERESTS:
Serves as Lead Scientist for the NP215 (Pasture, Forage, Turf and Rangeland Systems) project entitled “Semiarid Rangeland Ecosystems: The Conservation-Production Interface.” This multi-disciplinary team of scientists develops and provides private and public land managers the necessary tools for properly managing rangeland ecosystems to address production and conservation goals. Research is addressing the following objectives: 1) determine the influences of livestock grazing season and intensity, prairie dogs, prescribed burning season and frequency, grazing X fire and grazing X prairie dog interactions, and shifts in stocking rate on native plant community [composition, diversity, structure, production] and livestock responses [gains, behavior] in northern mixed-grass prairie and shortgrass steppe, and 2) determine the impacts of grazing management practices and weather/climate and interactions on soil C and N storage in northern mixed-grass prairie. Research will ascertain the effects of livestock as ecosystem engineers, alone or in combination with fire and prairie dogs, to influence vegetation heterogeneity and modify states of vegetation and affect resilience within ecological sites of the northern mixed-grass prairie and shortgrass steppe. Increased understanding of how grazing intensity and weather/climate influence dynamics of soil carbon storage of C and N may assist emerging carbon credit trading programs in evaluating risks associated with carbon sequestration on rangelands. Research is collaborative with scientists from Colorado State University, the University of Wyoming, Texas A&M University, Oklahoma State University, and the Shortgrass Steppe Long-term Ecological Research project.
PUBLICATIONS:
2008
Derner, J.D., Hart, R.H., Smith, M.A. and Waggoner Jr., J.W. Long-term cattle gain responses to stocking rate and grazing systems in northern mixed-grass prairie. Livestock Science 117:60-69. 2008.
Weston, T.R., J.D. Derner, C.M. Murrieta, D.C. Rule, and B.W. Hess. Comparison of catalysts for direct transesterification of fatty acids in freeze-dried forage samples. Crop Science 48: 1636-1641. 2008.
Morgan, J.A., J.D. Derner, D.G. Milchunas, and E. Pendall. Management implications of global change for Great Plains rangelands. Rangelands 30:18-22. 2008
Ingram, L.J., P.D. Stahl, G.E. Schuman, J.S. Buyer, G.F. Vance, G.K. Ganjegunte, J.M. Welker, and Derner, J.D. Grazing impacts on soil carbon and microbial communities in a mixed-grass ecosystem. Soil Science Society of America Journal 72:939-948. 2008.
Norton, U., Mosier, A.R., Morgan, J.A., Derner, J.D., Ingram, L.J. and P.D. Stahl. Moisture pulses, trace gas emissions and soil C and N in cheatgrass and native grass-dominated sagebrush-steppe in Wyoming, USA. Soil Biology & Biochemistry 40:1421-1431. 2008.
Briske, D.D., Derner, J.D., Brown, J.R., Fuhlendorf, S.D., Teague, W.R., Havstad, K.M., Gillen, R.L., Ash, A.J., and Willms, W.D. Rotational grazing on rangelands: Reconciliation of perception and experimental evidence. Rangeland Ecology and Management 61:3-17. 2008.
Derner, J.D., Hess, B.W., Olson, R.A. and Schuman, G.E. Functional group and species responses to precipitation in three semi-arid rangeland ecosystems. Arid Lands Research and Management 22:81-92. 2008.
2007
Polley, H.W., Wilsey, B.J. and Derner, J.D. Dominant species constrain effects of species diversity on temporal variability in biomass production of tallgrass prairie. Oikos 116:2044-2052. 2007.
Derner, J.D. and Hart, R.H. Livestock and vegetation responses to rotational grazing in short-grass steppe. Western North American Naturalist 67:359-367. 2007.
Hickman, K.R. and Derner, J.D. Blackland tallgrass prairie vegetation dynamics following cessation of herbicide application. Rangeland Ecology and Management 60:186-190. 2007.
Derner, J.D. and Schuman, G.E. Carbon sequestration and rangelands: a synthesis of land management and precipitation effects. Journal of Soil and Water Conservation 62:77-85. 2007.
Derner, J.D. and Hart, R.H. Grazing-induced modifications to peak standing crop in northern mixed-grass prairie. Rangeland Ecology and Management 60:270-276. 2007.
2006
Derner, J.D., Boutton, T.W. and Briske, D.D. Grazing and ecosystem carbon storage in the North American Great Plains. Plant and Soil 280:77-90. 2006.
Polley, H.W., Wilsey, B.J., Derner, J.D., Johnson, H.B. and Sanabria, J. Early-successional plants regulate grassland productivity and species composition: a removal experiment. Oikos 113:287-295. 2006.
Andales, A.A., Derner, J.D., Ahuja, L.R. and Hart, R.H. Strategic and tactical prediction of forage production in northern mixed-grass prairie. Rangeland Ecology and Management 59:576-584. 2006.
Potter, K.N. and Derner, J.D. Soil carbon pools in central Texas: prairies, restored grasslands and croplands. Journal of Soil and Water Conservation 61:124-128. 2006.
Weston, T.R., Derner, J.D., Murrieta, C.M., Rule, D.C. and Hess, B.W. Comparison of catalysts for direct transesterification of fatty acids in freeze-dried forage samples. Proc. Western Section, American Society of Animal Science 57:245-248. 2006.
Derner, J.D., Detling, J.K. and Antolin, M.F. Are livestock gains affected by blacktailed prairie dogs? Frontiers in Ecology and the Environment 4:459-464. 2006
2005
Weston, T.R., Olson, R.A., Nayigihugu, V., Lake, S.L., Derner, J.D., Schuman, G.E. and Hess, B.W. Characteristics and potential nutritive value of sagebrush-grassland vegetation collected from sites continuously grazed, rested for one year and one year post-disturbance. Proc. Western Section, American Society of Animal Science. 56:9-12. 2005.
Derner, J.D., C.R. Tischler, H.W. Polley and H.B. Johnson. 2005. Seedling growth of two Honey mesquite varieties under CO2 enrichment. Rangeland Ecology and Management. 58:292-298.
Justin D. Derner, Gerald E. Schuman, Michael Jawson, Steven R. Shafer, Jack A. Morgan, H. Wayne Polley, G. Brett Runion, Stephen A. Prior, H. Allen Torbert, Hugo H. Rogers, James Bunce, Lewis Ziska, Jeffrey W. White, Alan J. Franzluebbers, Jean D. Reeder, Rodney T. Venterea, and Lowry A. Harper. 2005 USDA-ARS Global Change Research on Rangelands and Pasturelands Rangelands 27:36 - 42.
Polley, H.W., J.D. Derner and B.J. Wilsey. 2005. Patterns of plants species diversity in remnant and restored tallgrass prairies. Restoration Ecology. 13:480-487.
Andales, A.A., J.D. Derner, P.N.S. Bartling, L.R. Ahuja, G.H. Dunn, R.H. Hart and J.D. Hanson. 2005. Evaluation of GPFARM for simulation of forage production and cow-calf weights. Rangeland Ecology and Management. 58:247-255.
Derner, J.D. and R.H. Hart. 2005. Heifer performance under two stocking rates on fourwing saltbush-dominated rangeland. Rangeland Ecology and Management. 58:489-494
Mooney, S., G.F. Vance, J. Derner and G. Schuman. 2005. Committee participation furthers carbon sequestration research. University of Wyoming, College of Agriculture, Reflections.
2004
Blank, R.R. and Derner, J.D. 2004. Effects of CO2 enrichment on plant-soil relationships of Lepidium latifolium. Plant and Soil 262:159-167.
Derner, J.D. and Wu, X.B. 2004. Spatial patterns of light gaps in mesic grasslands. Journal of Range Management 57:393-398.
Derner, J.D., Polley, H.W., Johnson, H.B. and Tischler, C.R. 2004 Structural attributes of Schizachyrium scoparium in restored Texas Blackland prairies. Restoration Ecology 12:80-84.
Derner, J.D., Tischler, C.R., Polley, H.W. and Johnson, H.B. 2004 Intergenerational above-and belowground responses of spring wheat (Triticum aestivum) to elevated CO2. Basic and Applied Ecology 5:145-152.
2003
Polley, H.W., Wilsey, B.J. and Derner, J.D. 2003 Do species evenness and plant diversity influence the magnitude of selection and complementarity effects in annual plant species mixtures? Ecology Letters 6:248-256.
Polley, H.W., Johnson, H.B. and Derner, J.D. 2003 Increasing CO2 from subambient to superambient concentrations alters species composition and increases above-ground biomass in a C3/C4 grassland. New Phytologist 160:319-327. 2003.
Derner, J.D., Johnson, H.B., Kimball, B.A., Pinter Jr., P.J., Polley, H.W., Tischler, C.R., Boutton, T.W., LaMorte, R.L., Wall, G.W., Adam, N.R., Leavitt, S.W., Ottman, M.J., Matthias, A.D. and Brooks, T.J. 2003 Above- and belowground responses of C3-C4 species mixtures to elevated CO2 and soil water availability. Global Change Biology 9:452-460.
2002
Polley, H.W., Tischler, C.R., Johnson, H.B. and Derner, J.D. 2002 Growth rate and survivorship of drought: CO2 effects on the presumed tradeoff in seedlings of five woody legumes. Tree Physiology 22:383-391.
Polley, H.W., Johnson, H.B. and Derner, J.D. 2002 Soil- and plant-water dynamics in a C3/C4 grassland exposed to a subambient to superambient CO2 gradient. Global Change Biology 8:1118-1129.
2001
Derner, J.D., Polley, H.W., Johnson, H.B. and Tischler, C.R. 2001 Root system responses of C4 grass seedlings to CO2 and soil water. Plant and Soil 231:97-104.
Derner, J.D. and Wu, X.B. 2001 Light distribution in mesic grasslands: spatial patterns and temporal dynamics. Applied Vegetation Science 4:189-196.
Derner, J.D. and Briske, D.D. 2001 Below-ground carbon and nitrogen accumulation in perennial grasses: A comparison of caespitose and rhizomatous growth forms. Plant and Soil 237:117-127.
1999
Derner, J.D. and Briske, D.D. 1999 Does a tradeoff exist between morphological and physiological root plasticity? A comparison of grass growth forms. Acta Oecologia. 20:519-526.
Derner, J.D. and Briske, D.D. 1999 Intraclonal regulation in a perennial, caespitose grass: a field evaluation of above- and belowground resource availability. Journal of Ecology 87:737-747.
1998
Derner, J.D. and Briske, D.D. 1998 An isotopic (15N) assessment of intraclonal regulation in C4, perennial grasses: ramet interdependence, independence or both? Journal of Ecology 86:305-314.
Briske, D.D. and Derner, J.D. Clonal biology of caespitose grasses, pp. 106-136. In Cheplick, G.P. (ed.) Population Biology of Grasses, Cambridge University Press, Cambridge, UK. 399 pp. 1998. (Book Chapter)
1997
Derner, J.D., Briske, D.D. and Boutton, T.W. 1997 Does grazing mediate soil carbon and nitrogen accumulation beneath C4 perennial grasses along an environmental gradient? Plant and Soil. 191:147-156.
1994
Derner, J.D., Gillen, R.L., McCollum, F.T. and Tate, K.W. 1994 Little bluestem tiller defoliation patterns under continuous and rotational grazing. Journal of Range Management 47:220-225.
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