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Knapp AK, Fahnestock JT, Owensby CE. Elevated CO2 alters dynamic stomatal responses to sunlight in a C4 grass. Plant Cell and Environment. 1994;17:189 -195. doi:10.1111/j.1365-3040.1994.tb00282.x.
Su H, Knapp AK, Briggs JM. Effects of topography and fire on spatial and temporal distribution of soil moisture in a tallgrass prairie. In: Time Domain Reflectometry in Environmental, Infrastructure and Mining Applications. Time Domain Reflectometry in Environmental, Infrastructure and Mining Applications. United States Department of Interior Bureau of Mines; 1994:154 -162.
Johnson SR, Knapp AK. The effect of fire on gas exchange and aboveground production in Spartina pectinata wetlands. Wetlands. 1993;13:299 -303. doi:10.1007/BF03161296.
Knapp AK. Effect of fire in tallgrass prairie on seed production of Vernonia baldwinii Torr. (Compositae). The Southwestern Naturalist. 1984;29:242 -243.
Knapp AK. Effect of fire and drought on the ecophysiology of Andropogon gerardii and Panicum virgatum in a tallgrass prairie. Ecology. 1985;66:1309 -1320. doi:10.2307/1939184.
Knapp AK, Cocke M, Hamerlynck EP, Owensby CE. Effect of elevated C02 on stomatal density and distribution in a C4 grass and a C3 forb under field conditions. Annals of Botany. 1994;74:595 -599. doi:10.1006/anbo.1994.1159.
Blair JM, Collins SL, Knapp AK. Ecosystems as functional units in nature. Natural Resources and Environment. 2000;14:150 -155.
Owensby CE, Ham JM, Knapp AK, Rice CW, Coyne PI, Auen LM. Ecosystem level responses of tallgrass prairie to elevated CO2. In: Koch GW, Mooney HA Carbon Dioxide and Terrestrial Ecosystems. Carbon Dioxide and Terrestrial Ecosystems. London: Academic Press; 1996:147 -162.
Briggs JM, Knapp AK, Blair JM, et al. An ecosystem in transition: causes and consequences of the conversion of mesic grassland to shrubland. BioScience. 2005;55:243 -254. doi:10.1641/0006-3568(2005)055[0243:AEITCA]2.0.CO;2.
Knapp AK. Ecophysiology of Zigadenus nuttallii , a toxic spring ephemeral in a warm season grassland: effect of defoliation and fire. Oecologia. 1986;71:69 -74. doi:10.1007/BF00377323.
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.
Hoover DL. Ecological responses to climate extremes in a mesic grassland. 2013;PhD. Dissertation. Available at: http://hdl.handle.net/10217/82474.
Travers SE, Smith MD, Bai J, et al. Ecological genomics: making the leap from model systems in the lab to native populations in the field. Frontiers in Ecology and the Environment. Frontiers in Ecology and the Environment. 2007;5:19 -24. doi:10.1890/1540-9295(2007)5[19:EGMTLF]2.0.CO;2.
Knapp AK, McCarron JK, Silletti AM, et al. Ecological consequences of the replacement of native grassland by Juniperus virginiana and other woody plants. In: Van Auken OW Ecological Studies Vol. 196, Western North American Juniperus communities: A dynamic vegetation type. Ecological Studies Vol. 196, Western North American Juniperus communities: A dynamic vegetation type. Springer-Verlag, NY; 2008:156 -169. doi:10.1007/978-0-387-34003-6_8.
Knapp AK. Early season production and microclimate associated with topography in a C4 dominated grassland. Oecologia Plant. 1985;6:337 -346.
Hamerlynck EP, Knapp AK. Early season cuticular conductance and gas exchange in two oaks near the western edge of their range. Trees. 1996;10:403 -409. doi:10.1007/BF02185644.
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Collins SL, Knapp AK, Hartnett DC, Briggs JM. The dynamic tallgrass prairie: Synthesis and research opportunities. In: Knapp AK, Briggs JM, Hartnett DC, Collins SL Grassland Dynamics: Long-Term Ecological Research in Tallgrass Prairie. Grassland Dynamics: Long-Term Ecological Research in Tallgrass Prairie. New York: Oxford University Press; 1998:301 -315.
Collins SL, Knapp AK, Hartnett DC, Briggs JM. The dynamic tallgrass prairie: Synthesis and research opportunities. In: Knapp AK, Briggs JM, Hartnett DC, Collins SL Grassland Dynamics: Long-Term Ecological Research in Tallgrass Prairie. Grassland Dynamics: Long-Term Ecological Research in Tallgrass Prairie. New York: Oxford University Press; 1998:301 -315.
Denton EM, Dietrich JD, Smith MD, Knapp AK. Drought timing differentially affects above- and belowground productivity in a mesic grassland. Plant Ecology. 2017;218(3):317 - 328. doi:10.1007/s11258-016-0690-x.
Ochoa-Hueso R, Collins SL, Delgado-Baquerizo M, et al. Drought consistently alters the composition of soil fungal and bacterial communities in grasslands from two continents. Global Change Biology. 2018;24(7):2818 - 2827. doi:10.1111/gcb.2018.24.issue-710.1111/gcb.14113.
Smith MD, Knapp AK. Dominant species maintain ecosystem function with non-random species loss. Ecology Letters. 2003;6:509 -517. doi:10.1046/j.1461-0248.2003.00454.x.
Smith MD, Wilcox J, Kelly T, Knapp AK. Dominance not diversity determines invasibility of tallgrass prairie. Oikos. 2004;106:253 -262. doi:10.1111/j.0030-1299.2004.13057.x.
Wilcox KR, Blair JM, Smith MD, Knapp AK. Does ecosystem sensitivity to precipitation at the site-level conform to regional-scale predictions?. Ecology. 2016;97:561-568. doi:10.1890/15-1437.1.
Kaufman DW, Fay PA, Kaufman GA, Zimmerman JL. Diversity of terrestrial macrofauna. In: Knapp AK, Briggs JM, Hartnett DC, Collins SL Grassland Dynamics: Long-Term Ecological Research in Tallgrass Prairie. Grassland Dynamics: Long-Term Ecological Research in Tallgrass Prairie. New York: Oxford University Press; 1998:101 -112.
Collins SL, Steinauer EM. Disturbance, diversity and species interactions in tallgrass prairie. In: Knapp AK, Briggs JM, Hartnett DC, Collins SL Grassland Dynamics: Long-Term Ecological Research in Tallgrass Prairie. Grassland Dynamics: Long-Term Ecological Research in Tallgrass Prairie. New York: Oxford University Press; 1998:140 -156.
Heisler JL, Briggs JM, Knapp AK, Blair JM, Seery A. Direct and indirect effects of fire on shrub density and aboveground productivity in a mesic grassland. Ecology. 2004;85:2245 -2257. doi:10.1890/03-0574.
Knapp AK, Carroll CJW, Denton EM, La Pierre KJ, Collins SL, Smith MD. Differential sensitivity to regional-scale drought in six central US grasslands. Oecologia. 2015;177:949 -957. doi:10.1007/s00442-015-3233-6.
Shi Z, Thomey ML, Mowll M, et al. Differential effects of extreme drought on production and respiration: Synthesis and modeling analysis. Biogeosciences. 2014;11:621 -633. doi:10.5194/bg-11-621-2014.
Hutchinson SL, Koelliker JK, Knapp AK. Development of water usage coefficients for the fully-watered tallgrass prairie. Transactions of the American Society of Agricultural Engineers. 2008;51:153 -159.
Knapp AK, Seastedt TR. Detritus accumulation limits productivity of tallgrass prairie. BioScience. 1986;36:662 -668. doi:http://www.jstor.org/stable/1310387.
Knapp AK, Conard SL, Blair JM. Determinants of soil CO2 flux from a sub-humid grassland: Effect of fire and fire history. Ecological Applications. 1998;8:760 -770. doi:10.1890/1051-0761(1998)008[0760:DOSCFF]2.0.CO;2.
Briggs JM, Knapp AK. Determinants of C3 forb growth and production in a C4 dominated grassland. Plant Ecology. 2001;152:93 -100. doi:10.1023/A:1011400101014.
Su H, Briggs JM, Knapp AK, Blair JM, Krummel JR. Detecting spatial and temporal patterns of aboveground production in a tallgrass prairie using remotely-sensed data. 1996:2361 -2365. doi:10.1109/IGARSS.1996.516987.
Swemmer AM, Knapp AK. Defoliation synchronizes above-ground growth of co-occurring C4 grass species. Ecology. 2008;89:2860 -2867. doi:10.1890/07-1434.1.
Caplan JS, Gimenez D, Hirmas DR, Brunsell N, Blair JM, Knapp AK. Decadal-scale shifts in soil hydraulic properties induced by altered precipitation. Science Advances. 2019;5(9):eaau6635. doi:10.1126/sciadv.aau6635.
Tepedino VJ, Knapp AK, Eickwort GC, Ferguson DC. Death Camas (Zigadenus nuttallii) in Kansas: pollen collectors and a florivore. Journal of the Kansas Entomological Society. 1989;62:411 -412.
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Fraser LH, Henry HA, Carlyle CN, et al. Coordinated distributed experiments: an emerging tool for testing global hypotheses in ecology and environmental science. Frontiers in Ecology and the Environment. 2013;11:147 -155. doi:10.1890/110279.
Knapp AK, Burns CE, Fynn RWS, Kirkman KP, Morris CD, Smith MD. Convergence and contingency in production-precipitation relationships in North American and South African C4 grasslands. Oecologia. 2006;149:456 -464. doi:10.1007/s00442-006-0468-2.
Huxman TE, Smith MD, Fay PA, et al. Convergence across biomes to a common rain-use efficiency. Nature. 2004;429:651 -654. doi:10.1038/nature02561.
Buis GM, Blair JM, Burkepile DE, et al. Controls of aboveground net primary production in mesic savanna grasslands: an inter-hemispheric comparison. Ecosystems. 2009;12:982 -995. doi:10.1007/s10021-009-9273-1.
Wilcox KR, Von Fischer JC, Muscha JM, Petersen MK, Knapp AK. Contrasting above- and belowground sensitivity of three Great Plains grasslands to altered rainfall regimes. Global Change Biology. 2015;21:335 -344. doi:10.1111/gcb.12673.
Heisler-White JL, Blair JM, Kelly EF, Harmoney K, Knapp AK. Contingent productivity responses to more extreme rainfall regimes across a grassland biome. Global Change Biology. 2009;15:2894 -2904. doi:10.1111/j.1365-2486.2009.01961.x.
Lett MS, Knapp AK. Consequences of shrub expansion in mesic grassland: resource alterations and graminoid responses. Journal of Vegetation Science. 2003;14:487 -496. doi:10.1111/j.1654-1103.2003.tb02175.x.
Seastedt TR, Knapp AK. Consequences of non-equilibrium resource availability across multiple time scales: the transient maxima hypothesis. American Naturalist. 1993;141:621 -633. Available at: http://www.jstor.org/stable/2462753.
Knapp AK, Beier C, Briske DD, et al. Consequences of more extreme precipitation regimes for terrestrial ecosystems. BioScience. 2008;58:811 -821. doi:10.1641/B580908.
Silletti AM, Knapp AK, Blair JM. Competition and coexistence in grassland co-dominants: responses to neighbor removal and resource availability. Canadian Journal of Botany. 2004;82:450 -460. doi:10.1139/b04-016.
Bragg WK, Knapp AK, Briggs JM. Comparative water relations of seedling and adult Quercus species during gallery forest expansion in tallgrass prairie. Forest Ecology and Management. 1993;56:29 -41. doi:10.1016/0378-1127(93)90101-R.
Turner CT, Kneisler JR, Knapp AK. Comparative gas exchange and nitrogen responses of the dominant C4 grass, Andropogon gerardii, and five C3 forbs to fire and topographic position in tallgrass prairie during a wet year. International Journal of Plant Science. 1995;156:216 -226. Available at: http://www.jstor.org/stable/2474960.
Bakker C, Blair JM, Knapp AK. A comparative assessment of potential mechanisms influencing plant species richness in grazed grasslands. Oecologia. 2003;137:385 -391. doi:10.1007/s00442-003-1360-y.
Knapp AK, Briggs JM, Smith MD. Community stability does not preclude ecosystem sensitivity to chronic resource alteration. Functional Ecology. 2012;26:1231 -1233. doi:10.1111/j.1365-2435.2012.02053.x.

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