Keen RM, Bachle S, Bartmess M, Nippert JB. Combined effects of fire and drought are not sufficient to slow shrub encroachment in tallgrass prairie. Oecologia. 2024;204:727 - 742. doi:10.1007/s00442-024-05526-x.

O?Keefe K, Nippert JB, Keen RM, McCulloh KA. Contrasting shrub and grass hydraulic responses to experimental drought. Oecologia. 2024;204:931 - 941. doi:10.1007/s00442-024-05543-w.

Tooley EG, Nippert JB, Ratajczak Z. Evaluating methods for measuring the leaf area index of encroaching shrubs in grasslands: From leaves to optical methods, 3-D scanning, and airborne observation. Agricultural and Forest Meteorology. 2024;349. doi:10.1016/j.agrformet.2024.109964.

Keen RM, Helliker BR, McCulloh KA, Nippert JB. Save or spend? Diverging water?use strategies of grasses and encroaching clonal shrubs. Journal of Ecology. 2024;112(4):870-885. doi:10.1111/1365-2745.14276.

Keen RM, Sadayappan K, Jarecke KM, et al. Unexpected hydrologic response to ecosystem state change in tallgrass prairie. Journal of Hydrology. 2024;643:131937. doi:10.1016/j.jhydrol.2024.131937.

Keen RM, Nippert JB, Sullivan PL, et al. Impacts of riparian and non-riparian woody encroachment on tallgrass prairie ecohydrology. Ecosystems. 2023;26(2):290-301. doi:10.1007/s10021-022-00756-7.

Nippert JB, McCulloh K, Wilcox K, O'Keefe K, Keen R, Chen A. Using root and soil traits to forecast woody encroachment dynamics in mesic grassland.; 2023. doi:10.2172/2248061.

Nippert JB, Keen RM, Bachle S, Wedel ER, Groskinsky B. Climate change in grassland ecosystems: current impacts and potential actions for a sustainable future. In:  CLIMATE ACTIONS - LOCAL APPLICATIONS AND PRACTICAL SOLUTIONS. 1st ed. CLIMATE ACTIONS - LOCAL APPLICATIONS AND PRACTICAL SOLUTIONS. CRC; 2022:36. Available at: https://www.taylorfrancis.com/chapters/edit/10.1201/9781003048701-4/climate-change-grassland-ecosystems-jesse-nippert-seton-bachle-rachel-keen-emily-wedel.

Tooley EG, Nippert JB, Bachle S, Keen RM. Intra-canopy leaf trait variation facilitates high leaf area index and compensatory growth in a clonal woody-encroaching shrub. Tree Physiology. 2022;42(11):2186?2202. doi:10.1093/treephys/tpac078.

Fernández JA, Messina CD, Salinas A, Prasad PVVara, Nippert JB, Ciampitti IA. Kernel weight contribution to yield genetic gain of maize: a global review and US case studies. Dreisigacker S. Journal of Experimental Botany. 2022;73(11):3597 - 3609. doi:10.1093/jxb/erac103.

Rastetter EB, Kwiakowski BL, Kicklighter DW, et al. N and P constrain C in ecosystems under climate change: role of nutrient redistribution, accumulation, and stoichiometry. Ecological Applications. 2022;32(8):e2684. doi:10.1002/eap.2684.

Pau S, Nippert JB, Slapikas R, et al. Poor relationships between NEON Airborne Observation Platform data and field?based vegetation traits at a mesic grassland. Ecology. 2022;103(2):e03590. doi:10.1002/ecy.v103.210.1002/ecy.3590.

Fernandez JA, Nippert JB, Prasad PVVara, Messina CD, Ciampitti IA. Post-silking 15N labelling reveals an enhanced nitrogen allocation to leaves in modern maize (Zea mays) genotypes. Journal of Plant Physiology. 2022;268:153577. doi:10.1016/j.jplph.2021.153577.

Ratajczak Z, Collins SL, Blair JM, et al. Reintroducing bison results in long-running and resilient increases in grassland diversity. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES. 2022;119(36):e2210433119. doi:10.1073/pnas.2210433119.

O'Keefe K, Bachle S, Keen R, E. Tooley G, Nippert JB. Root traits reveal safety and efficiency differences in grasses and shrubs exposed to different fire regimes. Functional Ecology. 2022;36(2):368 - 379. doi:10.1111/fec.v36.210.1111/1365-2435.13972.

Tooley EG. The unique canopy structure, leaf morphology, and physiology of Cornus drummondii. Department of Biology. 2022;MS Thesis. Available at: https://krex.k-state.edu/dspace/handle/2097/42162.

Bachle S. Anatomical constraints on grass physiological responses depend on water availability. Department of Biology. 2021;PhD Dissertation. Available at: https://krex.k-state.edu/dspace/handle/2097/41354.

Wedel ER, O?Keefe K, Nippert JB, Hoch B, O?Connor RC. Spatio-temporal differences in leaf physiology are associated with fire, not drought, in a clonally integrated shrub. Mitchell P. AoB PLANTS. 2021;13(4):plab037. doi:10.1093/aobpla/plab037.

Zaricor ML. A study of grass structure and function in response to drought and grazing. Department of Biology. 2021;MS Thesis. Available at: https://krex.k-state.edu/dspace/handle/2097/41514.

O'Keefe K, Bell DM, McCulloh KA, Nippert JB. Bridging the flux gap: Sap flow measurements reveal species?specific patterns of water use in a tallgrass prairie. Journal of Geophysical Research: Biogeosciences. 2020;125(2):e2019JG005446. doi:10.1029/2019JG005446.

O?Connor RC, Taylor JH, Nippert JB. Browsing and fire decreases dominance of a resprouting shrub in woody encroached grassland. Ecology. 2020;101(2):e02935. doi:10.1002/ecy.2935.

Connell KR, Nippert J, Blair JM. Three decades of divergent land use and plant community change alters soil C and N content in tallgrass prairie. Journal of Geophysical Research: Biogeosciences. 2020;125(8):e2020JG005723. doi:10.1029/2020JG005723.

O'Connor R. Drivers, mechanisms, and thresholds of wood encroachment in mesic grasslands. Department of Biology. 2019;PhD Dissertation. Available at: https://krex.k-state.edu/dspace/handle/2097/40021.

Santos M, Santos E, Wagner-Riddle C, et al. Evaluating a Lagrangian inverse model for inferring isotope CO2 exchange in plant canopies. Agricultural and Forest Meteorology. 2019;276-277:107651. doi:10.1016/j.agrformet.2019.107651.

Vero SE, Macpherson GL, Sullivan PL, et al. Developing a conceptual framework of landscape and hydrology on tallgrass prairie: A critical zone approach. Vadose Zone Journal. 2018;17(1):1 - 11. doi:10.2136/vzj2017.03.0069.

O'Keefe K, Nippert JB. Drivers of nocturnal water flux in a tallgrass prairie. Sala A. Functional Ecology. 2018;32(5):1155-1167. doi:10.1111/1365-2435.13072.

Bachle S, Griffith DM, Nippert JB. Intraspecific trait variability in Andropogon gerardii, a dominant grass species in the US Great Plains. Frontiers in Ecology and Evolution. 2018. doi:10.3389/fevo.2018.00217.

Bachle S, Nippert JB. Physiological and anatomical trait variability of dominant C4 grasses. Acta Oecologica. 2018;93:14 - 20. doi:10.1016/j.actao.2018.10.007.

Brunsell N, van Vleck ES, Nosshi M, Ratajczak Z, Nippert JB. Assessing the roles of fire frequency and precipitation in determining woody plant expansion in central U.S. grasslands. Journal of Geophysical Research - Biogeosciences. 2017;122(10):2683?2698. doi:10.1002/2017JG004046.

O?Keefe K, Nippert JB. An assessment of diurnal water uptake in a mesic prairie: evidence for hydraulic lift?. Oecologia. 2017;183(4):963?975. doi:10.1007/s00442-017-3827-2.

Ratajczak Z, D?Odorico PD, Nippert JB, Collins SL, Brunsell N, Ravi S. Changes in spatial variance during a grassland to shrubland state transition. Journal Ecology. 2017;105(3):750-760. doi:10.1111/1365-2745.12696.

O?Keefe K, Nippert JB. Grazing by bison is a stronger driver of plant ecohydrology in tallgrass prairie than fire history. Plant and Soil. 2017;411(1):423-436. doi:10.1007/s11104-016-3048-1.

Ratajczak Z, D'Odorico P, Collins SL, Bestelmeyer BT, Isbell FL, Nippert JB. The interactive effects of press/pulse intensity and duration on regime shifts at multiple scales. Ecological Monographs. 2017;87(2):198-218. doi:10.1002/ecm.1249.

Bachle S. Physiological and morphological responses of grass species to drought. Department of Biology. 2017;MS Thesis. Available at: http://krex.k-state.edu/dspace/handle/2097/36188.

Ratajczak Z, Briggs JM, Goodin DG, Mohler R, Nippert JB, Obermeyer BK. Assessing the potential for transitions from tallgrass prairie to woodlands: are we operating beyond critical transitions?. Rangeland Ecology & Management. 2016;69(4):280?287. doi:http://dx.doi.org/10.1016/j.rama.2016.03.004.

Muench A, O'Keefe K, Nippert JB. Comparative ecohydrology between Cornus drummondii and Solidago canadensis in upland tallgrass prairie. Plant Ecology. 2016;217(2):267-276. doi:10.1007/s11258-016-0567-z.

Raynor EJ, Joern A, Nippert JB, Briggs JM. Foraging decisions underlying restricted space use: effects of fire and forage maturation on large herbivore nutrient uptake. Ecology and Evolution. 2016;6(16):5843?5853 . doi:10.1002/ece3.2304.

O'Keefe K. Patterns and ecological consequences of water uptake, redistribution, and loss in tallgrass prairie.  2016;PhD Dissertation. Available at: http://krex.k-state.edu/dspace/handle/2097/34514.

Ocheltree TW, Nippert JB, Prasad PVVara. A safety vs efficiency trade-off identified in the hydraulic pathway of grass leaves is decoupled from photosynthesis, stomatal conductance and precipitation. New Phytologist. 2016;210(1):97-107. doi:http://dx.doi.org/10.1111/nph.13781.

Klodd AE, Nippert JB, Ratajczak Z, Waring H, Phoenix GK. Tight coupling of leaf area index to canopy nitrogen and phosphorus across heterogeneous tallgrass prairie communities. Oecologia. 2016;182(3):889 - 898. doi:10.1007/s00442-016-3713-3.

Nippert JB, Holdo RM. Challenging the maximum rooting depth paradigm in grasslands and savannas. Sayer E. Functional Ecology. 2015;29(6):739 - 745. doi:10.1111/1365-2435.12390.

Ratajczak Z, Nippert JB, Ocheltree TW. Abrupt transition of mesic grassland to shrubland: evidence for thresholds, alternative attractors, and regime shifts. Ecology. 2014;95:2633 -2645. doi:10.1890/13-1369.1.

Craine JM, Nippert JB. Cessation of burning dries soils long-term in a tallgrass prairie. Ecosystems. 2014;17:54 -65. doi:10.1007/s10021-013-9706-8.

Ratajczak Z. Ecological thresholds and abrupt transitions of tallgrass prairie to shrublands and woodlands.  2014; PhD. Dissertation. Available at: http://hdl.handle.net/2097/17661.

Ratajczak Z, Nippert JB, Briggs JM, Blair JM. Fire dynamics distinguish grasslands, shrublands, and woodlands as alternative attractors in the Central Great Plains of North America. Journal of Ecology. 2014;102:1374 -1385. doi:10.1111/1365-2745.12311.

Blair JM, Nippert JB, Briggs JM. Grassland Ecology. In: Monson R Plant Sciences  -  Ecology and the Environment.Vol 8. Plant Sciences  -  Ecology and the Environment. Springer-Verlag Berlin Heidelberg; 2014:389-423.

Brunsell N, Nippert JB, Buck TL. Impacts of seasonality and surface heterogeneity on water-use efficiency in mesic grasslands. Ecohydrology. 2014;7:1223 -1233. doi:10.1002/eco.1455.

McLauchlan KK, Craine JM, Nippert JB, Ocheltree TW. Lack of eutrophication in a tallgrass prairie ecosystem over 27 years. Ecology. 2014;95:1225 -1235. doi:10.1890/13-1068.1.

Ocheltree TW, Nippert JB, Prasad PVV. Stomatal responses to changes in vapor pressure deficit reflect tissue-specific differences in hydraulic conductance. Plant, Cell and Environment. 2014;37:132 -139. doi:10.1111/pce.12137.

Nippert JB, Ocheltree TW, Orozco GL, Ratajczak Z, Ling B, Skibbe AM. Evidence of physiological decoupling from grassland ecosystem drivers by an encroaching woody shrub. PLoS ONE. 2013;8:81630 -. doi:10.1371/journal.pone.0081630.

Craine JM, Ocheltree TW, Nippert JB, et al. Global diversity of drought tolerance and grassland climate-change resilience. Nature Climate Change. 2013;3:63 -67. doi:10.1038/nclimate1634.

Nippert JB, Culbertson TSF, Orozco GL, Ocheltree TW, Helliker BR. Identifying the water sources consumed by bison: implications for large mammalian grazers worldwide. Ecosphere. 2013;4:23 -. doi:10.1890/ES12-00359.1.

Hartman JC, Nippert JB. Physiological and growth responses of switchgrass (Panicum virgatum L.) in native stands under passive air temperature manipulation. Global Change Biology-Bioenergy. 2013;5:683 -692. doi:10.1111/j.1757-1707.2012.01204.x.

O?Keefe K, Tomeo N, Nippert JB, Springer CJ. Population origin and genome size do not impact Panicum virgatum (switchgrass) responses to variable precipitation. Ecosphere. 2013;4:37 -. doi:10.1890/ES12-00339.1.

Craine JM, Towne EG, Tolleson D, Nippert JB. Precipitation timing and grazer performance in a tallgrass prairie. Oikos. 2013;122:191 -198. doi:10.1111/j.1600-0706.2012.20400.x.

Ocheltree TW, Nippert JB, Prasad PVV. Changes in stomatal conductance along grass blades reflect changes in leaf structure. Plant Cell and Environment. 2012;35:1040 -1049. doi:10.1111/j.1365-3040.2011.02470.x.

Petrie MD, Brunsell N, Nippert JB. Climate change alters growing season flux dynamics in mesic grasslands. Theoretical and Applied Climatology. 2012;107:427 -440. doi:10.1007/s00704-011-0484-y.

Ratajczak Z, Nippert JB. Comment on "Global Resilience of Tropical Forest and Savanna to Critical Transitions". Science. 2012;336:541 -. doi:10.1126/science.1219346.

Craine JM, Towne EG, Ocheltree TW, Nippert JB. Community traitscape of foliar nitrogen isotopes reveals N availabiity patterns in a tallgrass prairie. Plant and Soil. 2012;356:395 -403. doi:10.1007/s11104-012-1141-7.

Hartman JC, Nippert JB, Springer CJ. Ecotypic responses of switchgrass to altered precipitation. Functional Plant Biology. 2012;39:126 -136. doi:10.1071/FP11229.

O'Keefe K. Influences of local adaptation and genome size on Panicum virgatum (switchgrass) responses to variable precipitation timing.  2012;MS Thesis.

Nippert JB, Wieme RA, Ocheltree TW, Craine JM. Root characteristics of C-4 grasses limit reliance on deep soil water in tallgrass prairie. Plant and Soil. 2012;355:385 -394. doi:10.1007/s11104-011-1112-4.

Craine JM, Nippert JB, Elmore AJ, Skibbe AM, Hutchinson SL, Brunsell N. The timing of climate variability and grassland productivity. Proceedings of the National Academy of Sciences of the United States of America. 2012;109:3401 -3405. doi:10.1111/j.1600-0706.2012.20400.x.

Ratajczak Z, Nippert JB, Collins SL. Woody encroachment decreases diversity across North American grasslands and savannas. Ecology. 2012;93:697 -703. doi:10.1890/11-1199.1.

Craine JM, Nippert JB, Towne EG, et al. Functional consequences of climate-change induced plant species loss in a tallgrass prairie. Oecologia. 2011;165:1109 -1117. doi:10.1007/s00442-011-1938-8.

Nippert JB, Ocheltree TW, Skibbe AM, et al. Linking plant growth responses across topographic gradients in tallgrass prairie. Oecologia. 2011;166:1131 -1142. doi:10.1007/s00442-011-1948-6.

Tucker SS, Craine JM, Nippert JB. Physiological drought tolerance and the structuring of tallgrass assemblages. Ecosphere. 2011;2:48 -. doi:10.1890/ES11-00023.1.

Ratajczak Z, Nippert JB, Hartman JC, Ocheltree TW. Positive feedbacks amplify rates of woody encroachment in mesic tallgrass prairie. Ecosphere. 2011;2:121 -. doi:10.1890/ES11-00212.1.

Hartman JC, Nippert JB, Orozco RA, Springer CJ. Potential ecological impacts of switchgrass (Panicum virgatum L.) biofuel cultivation in the Central Great Plains, USA. Biomass and Bioenergy. 2011;35:3415 -3421. doi:10.1016/j.biombioe.2011.04.055.

Fay PA, Blair JM, Smith MD, Nippert JB, Carlisle JD, Knapp AK. Relative effects of precipitation variability and warming on tallgrass prairie ecosystem function. Biogeosciences. 2011;8:3053 -3068. doi:10.5194/bg-8-3053-2011.

Hartman JC. Responses of switchgrass (Panicum virgatum L.) to precipitation amount and temperature.  2011;MS Thesis. Available at: http://hdl.handle.net/2097/10720.

Craine JM, Towne EG, Nippert JB. Climate controls on grass culm production over a quarter century in a tallgrass prairie. Ecology. 2010;91:2132 -2140. doi:10.1890/09-1242.1.

Tucker S. Morphological and physiological traits as indicators of drought tolerance in tallgrass prairie plants.  2010;MS Thesis. Available at: http://krex.k-state.edu/dspace/handle/2097/4628.

Travers SE, Tang Z, Caragea D, et al. Variation in gene expression of Andropogon gerardii in response to altered environmental conditions associated with climate change. Journal of Ecology. 2010;98:374 -383. doi:10.1111/j.1365-2745.2009.01618.x.

Nippert JB, Fay PA, Carlisle JD, Knapp AK, Smith MD. Ecophysiological responses of two dominant grasses to altered temperature and precipitation regimes. Acta Oecologia. 2009;35:400 -408. doi:10.1016/j.actao.2009.01.010.

Fay PA, Kaufman DM, Nippert JB, Carlisle JD, Harper CW. Changes in grassland  ecosystem function due to extreme rainfall events: implications for responses to climate change. Global Change Biology. 2008;14:1600 -1608. doi:10.1111/j.1365-2486.2008.01605.x.

Nippert JB, Knapp AK. Linking water uptake with rooting patterns in grassland species. Oecologia. 2007;153:261 -272. doi:10.1007/s00442-007-0745-8.

Nippert JB, Fay PA, Knapp AK. Photosynthetic traits in C3 and C4 grassland species in mesocosm and field environments. Environmental and Experimental Botany. 2007;60:412 -420. doi:10.1016/j.envexpbot.2006.12.012.

Nippert JB, Knapp AK. Soil water partitioning contributes to species coexistence in tallgrass prairie. Oikos. 2007;116:1017 -1029. doi:10.1111/j.0030-1299.2007.15630.x.

Nippert JB, Knapp AK, Briggs JM. Intra-annual rainfallvariability and grassland productivity: can the past predictthe future. Plant Ecology. 2006;184:65 -74. doi:10.1007/s11258-005-9052-9.

Nippert JB. Life by the drop: Water as a physiological driver of the tallgrass prairie plant community.  2006;PhD Dissertation:1 -148. Available at: https://search.proquest.com/docview/305354527/?pq-origsite=primo.

Nippert JB, Blair JM. Comparing the influence of precipitation, fire, and topography on plant productivity in the tallgrass prairie.  2005;3. Available at: http://tiee.ecoed.net/vol/v3/issues/data_sets/konza/abstract.html.

Morgan JA, Pataki DE, Korner C, et al. Water relations in grassland and desert ecosystems exposed to elevated atmospheric CO2. Oecologia. 2004;140:11 -25. doi:10.1007/s00442-004-1550-2.