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Barger NN, Archer SR, Campbell JL, Huang C, Morton JA, Knapp AK. Woody plant proliferation in North American drylands: A synthesis of impacts on ecosystem carbon balance. Journal of Geophysical Research. 2011;116. doi:10.1029/2010JG001506.
Lett MS, Knapp AK. Woody plant encroachment and removal in mesic grassland: production and composition responses of herbaceous vegetation. American Midland Naturalist. 2005;153:217 -231. doi:10.1674/0003-0031(2005)153[0217:WPEARI]2.0.CO;2.
Van Der Hoek DJ, Knapp AK, Briggs JM, Bokdam J. White-tailed deer browsing on six shrub species of tallgrass prairie. Great Plains Research. 2002;12:141 -156. doi:10.1674/0003-0031-170.2.323.
Yavitt JB, Knapp AK. Wetlands may change tallgrass prairie from a sink to a source for atmospheric methane. Hartnett DC. 1995:137 -141. Available at: http://images.library.wisc.edu/EcoNatRes/EFacs/NAPC/NAPC14/reference/econatres.napc14.jyavitt.pdf.
Owensby CE, Ham JM, Knapp AK, Bremer D, Auen LM. Water vapor fluxes and their impact under elevated CO2 in a C4 tallgrass prairie. Global Change Biology. 1997;3:189 -195. doi:10.1046/j.1365-2486.1997.00084.x.
Axmann BD, Knapp AK. Water relations of Juniperus virginiana and Andropogon gerardii in an unburned tallgrass prairie watershed. Southwestern Naturalist. 1993;38:325 -330. doi:10.2307/3671610.
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.
Knapp AK. Water relations and growth of three grasses during wet and drought years in a tallgrass prairie. Oecologia. 1984;65:35 -43. doi:10.1007/BF00384460.
Fahnestock JT, Knapp AK. Water relations and growth of tallgrass prairie forbs in response to selective herbivory by bison. International Journal of Plant Science. 1993;154:432 -440. Available at: http://www.jstor.org/stable/2995662.
Knapp AK, Koelliker JK, Fahnestock JT, Briggs JM. Water relations and biomass responses to irrigation across a topographic gradient in tallgrass prairie. Wickett RG, Lewis PD, Woodliffe A, Pratt P. 1994:215 -220. Available at: http://images.library.wisc.edu/EcoNatRes/EFacs/NAPC/NAPC13/reference/econatres.napc13.aknapp.pdf.
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Knapp AK, Medina E. Success of C4 photosynthesis in the field: lessons from communities dominated by C4 plants. In: Sage RF, Monson RK C4 Plant Biology. C4 Plant Biology. New York: Academic Press; 1999:251 -283.
Gray LJ, Dodds WK. Structure and dynamics of aquatic communities. 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; 1998:177 -189.
Hamerlynck EP, Knapp AK. Stomatal responses to variable sunlight in Bur Oak (Quercus macrocarpa Michx.) leaves with different photosynthetic capacities. International Journal of Plant Science. 1994;155:583 -587. Available at: http://www.jstor.org/stable/2475031.
Fay PA, Knapp AK. Stomatal and photosynthetic responses to variable light in sorghum, soybeans and eastern gammagrass. Physiologia Plantarum. 1995;94:613 -620. doi:10.1111/j.1399-3054.1995.tb00975.x.
Yu Q, Wilcox KR, La Pierre KJ, Knapp AK, Han X, Smith MD. Stoichiometric homeostasis predicts plant species dominance, temporal stability and responses to global change. Ecology. 2015;96(9):2335. doi:10.1890/14-1897.1.
Wilcox KR, Blair JM, Knapp AK. Stability of grassland soil C and N pools despite 25 years of an extreme climatic and disturbance regime. Journal of Geophysical Research: Biogeosciences. 2016;121(7):1934 - 1945. doi:10.1002/2016JG003370.
Henebry GM, Knapp AK. Spatio-temporal dynamics of soil moisture in tallgrass prairie using ERS-1 SAR image time series: first year results. 1996:166 -168. Available at: 10.1109/IGARSS.1996.516279.
Ransom MD, Rice CW, Todd TC, Wehmueller WA. Soils and soil biota. 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; 1998:48 -66.
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.
Baer SG, Blair JM, Knapp AK, Collins SL. Soil resources regulate productivity and diversity in newly established tallgrass prairie. Ecology. 2003;84:724 -735. doi:10.1890/0012-9658(2003)084[0724:SRRPAD]2.0.CO;2.
Baer SG, Collins SL, Blair JM, Fiedler A, Knapp AK. Soil heterogeneity effects on tallgrass prairie community heterogeneity: anapplication of ecological theory to restoration ecology. Restoration Ecology. 2005;13:413 -424. doi:10.1111/j.1526-100X.2005.00051.x.
McCarron JK, Knapp AK, Blair JM. Soil C and N responses to woody plant expansion in a mesic grassland. Plant and Soil. 2003;257:183 -192. doi:10.1023/A:1026255214393.
Smith MD, Knapp AK. Size of the local species pool determines invasibility of a C4-dominated grassland. Oikos. 2001;92:55 -61. doi:10.1034/j.1600-0706.2001.920107.x.
Knapp AK, Briggs JM, Collins SL, et al. Shrub encroachment in North American grasslands: Shifts in growth form dominance rapidly alters control of ecosystem carbon inputs. Global Change Biology. 2008;14:615 -623. doi:10.1111/j.1365-2486.2007.01512.x.
Smith MD, Knapp AK, Collins SL, et al. Shared drivers but divergent ecological responses: Insights from long-term experiments in mesic savanna grasslands. BioScience. 2016;66(8):666 - 682. doi:10.1093/biosci/biw077.
Abrams MD, Knapp AK. Seasonal water relations of three gallery forest hardwood species in northeast Kansas. Forest Science. 1986;32:687 -696.
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Johnson SR, Knapp AK. The role of fire in Spartina pectinata wetlands dominated tallgrass prairie wetlands. Cerulean SI, Engstroms RT. 1995:92 -101.
Fay PA, Knapp AK. Responses to short-term shade in soybean leaves: Effects of leaf position and drought stress. International Journal of Plant Science. 1998;159:805 -811. Available at: http://www.jstor.org/stable/2475151.
Kirkman K, Collins SL, Smith MD, et al. Responses to fire differ between South African and North American grassland communities. Journal of Vegetation Science. 2014;25:793 -804. doi:10.1111/jvs.12130.
Silletti AM, Knapp AK. Responses of the co-dominant grassland species Andropogon gerardii and Sorghastrum nutans to long-term manipulations of nitrogen and water. American Midland Naturalist. 2001;145:159 -167. doi:10.1674/0003-0031(2001)145[0159:ROTCGS]2.0.CO;2.
Bremer D, Ham JM, Owensby CE, Knapp AK. Responses of soil respiration to clipping and grazing in a tallgrass prairie. Journal of Environmental Quality. 1998;27:1539 -1548. doi:10.2134/jeq1998.00472425002700060034x.
Fahnestock JT, Knapp AK. Responses of forbs and grasses to selective grazing by bison: interactions between herbivory and water stress. Vegetatio. 1994;115:123 -131. doi:10.1007/BF00044867.
Turner CT, Knapp AK. Responses of a C4 grass and three C3 forbs to variation in nitrogen and light in tallgrass prairie. Ecology. 1996;77:1738 -1749. doi:10.2307/2265779.
Knapp AK, Hamerlynck EP, Ham JM, Owensby CE. Responses in stomatal conductance to elevated CO2 in 12 grassland species that differ in growth form. Vegetatio. 1996;125:31 -41. doi:10.1007/BF00045202.
Fahnestock JT, Knapp AK. Response of Andropogon gerardii to simulated acid rain. Transactions of the Kansas Academy of Science. 1990;93:85 -90. doi:10.2307/3628150.
Knapp AK, Gilliam FS. Response of Andropogon gerardii (poaceae ) to fire-induced high vs.low irradiance environments in tallgrass prairie: leaf structure and photosynthetic pigments. American Journal of Botany. 1985;72:1668 -1671. doi:http://www.jstor.org/stable/2443720.
Hoover DL, Knapp AK, Smith MD. Resistance and resilience of a grassland ecosystem to climate extremes. Ecology. 2014;95:2646 -2656. doi:10.1890/13-2186.1.
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.
McCulley RL, Burke IC, Nelson JA, Lauenroth WK, Knapp AK, Kelly EF. Regional patterns in carbon cycling across the Great Plains of North America. Ecosystems. 2005;8:106 -121. doi:10.1007/s10021-004-0117-8.
Hayden BP. Regional climate and the distribution of 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; 1998:19 -34. Available at: http://www.colostate.edu/Depts/GDPE/Distinguished_Ecologists/2005/Hayden/grassland%20dynamics%20ch2.pdf.
Knapp AK, Ciais P, Smith MD. Reconciling inconsistencies in precipitation– productivity relationships: implications for climate change. New Phytologist. 2017;214(1):41-47. doi:10.1111/nph.14381.
Breshears DD, Knapp AK, Law DJ, Smith MD, Twidwell D, Wonkka CL. Rangeland responses to predicted increases in drought extremity. Rangelands . 2016;38:191-196. Available at: http://dx.doi.org/10.1016/j.rala.2016.06.009.

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