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Stephen G. Pallardy

Stephen Pallardy

Professor Emeritus
Department of Forestry

E-mail: pallardys at missouri dot edu

Dr. Pallardy's research interests include the physiological responses of plants to water stress and comparative water relations. Comparative studies are designed to identify several of the mechanisms by which woody species and ecotypes are able to resist drought stress more effectively than others. These interests are scaled to the ecosystem level in studies of plant and environmental controls on forest water and carbon fluxes by eddy covariance and micrometeorological methods.



Gu L, Leuning R, Massman WJ, Pallardy SG, Hanson PJ, Hosman KP, Yang B. The fundamental equation of eddy covariance and its application in flux measurements Agricultural and Forest Meteorology 2011;152: 135-148.

Obrist D, Johnson DW, Lindberg SE, Luo Y, Hararuk O, Bracho R, Battles JJ, Dail DB, Edmonds RL, Monson RK, Ollinger SV, Pallardy SG, Pregitzer KS, Todd DE. Mercury distribution across 14 U.S. Forests. Part I: Spatial patterns of concentrations in biomass, litter, and soils. Environmental Science and Technology 2011;45(9):3974-3981.

Yi C, … Pallardy, SG et al. (150 co-authors) (2010) Climate control of terrestrial carbon exchange across biomes and continents. Env. Res. Lett. 5.

Gu L, Pallardy SG, Tu K, Law BE and Wullschleger SD. Reliable estimation of biochemical parameters from C3 leaf photosynthesis-intercellular carbon dioxide response curves. Plant, Cell and Environment 2010;33(11):1852-1874.

Hollinger DY, Ollingerw SV, Richardsonw AD, Meyersz TP, Dail DB, Martinw ME, Scott NA, Arkebauerk TJ, Baldocchi DD, Clark KL, Curtis PS, Davis KJ, Desai AR, Dragonikk D, Goulden ML, Gu L, Katulzzz GG, Pallardy SG, Pawu KT, Schmid HP, Stoy PC, Suyker AE and Verma SB. Albedo estimates for land surface models and support for a new paradigm based on foliage nitrogen concentration. Global Change Biology 2010;16(2):696-710.

Yang B, Pallardy SG, Meyers TP, Gu LH, Hanson PJ, Wullschleger SD, Heuer M, Hosman KP, Riggs JS and Sluss DW. Environmental controls on water use efficiency during severe drought in an Ozark Forest in Missouri, USA. Global Change Biology 2010;16(8):2252-2271.

Pallardy SG, Kozlowski TT. Physiology of Woody Plants 2008; Amsterdam: Elsevier.

Gu L, Hanson PJ, Post WM, Kaiser DP, Yang B, Nemani R, Pallardy SG, Meyers T. The 2007 eastern US spring freeze: increased cold damage in a warming world? BioScience 2008;58, 253-262.

Nygren P and Pallardy SG. Applying a universal scaling model to vascular allometry in a single stemmed, monopodially branching deciduous tree (Attim’s model). Tree Physiol. 2008;28, 1-10.

Yang B, Hanson PJ, Riggs JS, Pallardy SG, Heuer M, Hosman KP, Myers TP, Wullschleger SD, Gu LH. Biases of CO2 storage in eddy flux measurements in a forest pertinent to vertical configuration of a profile system and CO2 density averaging. J. Geophys. Res. 2007;112, D20123.

Gu LH, Meyers T, Pallardy SG, Hanson PJ, Yang B, Heuer M, Hosman KP, Liu Q, Riggs JS, Sluss D, Wullschleger SD. Influences of biomass heat and biochemical energy storages on the land surface fluxes and radiative temperature. J. Geophys. Res. - Atmospheres 2007;112, 6110.

Gu LH, Meyers T, Pallardy SG, Hanson PJ, Yang B, Heuer M, Hosman KP, Liu Q, Riggs JS, Sluss D, Wullschleger SD. Influences of biomass heat and biochemical energy storages on land surface fluxes and radiative temperature  J. Geophys. Res.- Atmospheres 2007;112, 2107.

Pallardy SG, Gu L, Hanson PJ, Myers TP, Wullschleger SD, Yang B, Riggs JS, Hosman KP, Heuer M. Carbon dioxide fluxes in a central hardwoods oak-hickory forest ecosystem. In: D. S. Buckley and W. Clatterbuck, ed., Proc. 15th Central Hardwood Forest Conference 2006; U. S. For. Serv., Southern Research Station, eGTR-SRS-101, Knoxville, TN, 13-19.

Gu L, Meyers T, Pallardy SG, Hanson PJ, Yang B, Heuer M, Hosman KP, Riggs JS, Sluss D, Wullschleger SD. Direct and indirect effects of atmospheric conditions and soil moisture on surface energy partitioning revealed by a prolonged drought at a temperate forest site. J. Geophys. Res. - Atmosphere 2006;111(D16).

Pallardy SG, Loewenstein NJ. The role of xylem sap abscisic acid in leaf abscission of droughted seedlings of isohydric and anisohydric temperate deciduous angiosperms. In: Yaussy, D., Hix D. M., Goebel P. C., Long R. P., eds., Proc. 14th Central Hardwood Conf. 2004;USDA For. Serv., GTR NE-316, Wooster, Ohio, 365-372.

Jose S, Gillespie AR, Pallardy SG. Interspecific interactions in temperate agroforestry. Agrofor. Syst. 2004;61, 237-255.

Gartner J, Pallardy SG. Careers in forestry. Missouri Conservationist 2003;64, 8-13.

Pallardy SG, Gibbins DE, Rhoads JL. Biomass production by two-year-old poplar clones on floodplain sites in the Lower Midwest, USA. Agrofor. Syst. 2003;59, 21-26.

Pallardy SG, Gibbins DE. Branch morphology in young poplar clones on floodplain sites in Missouri. In: Van Sambeek, J. W. Dawson, J. O., Ponder, F. Jr., Loewenstein, E. F., Fralish, J., eds. Proc. 13th Central Hardwood Forest Conference 2003;13, 489-495.

Loewenstein NJ, Pallardy SG. Influence of a drying cycle on post-drought xylem sap abscisic acid and stomatal responses in young temperate deciduous angiosperms. New Phytol. 2002;156, 351-361.

Pallardy SG, Gibbins DE, Rhoads JL. Above- and below-ground biomass production by two-year-old poplar clones on floodplain sites in the lower Midwest, U. S. A. In: Schroeder, W. and J. Kort, eds., Proc. Seventh Biennial Conf. Agrofor., Agriculture Canada, Regina, Sask. 2002; 34-39.

Kozlowski TT, Pallardy SG. Acclimation and adaptive responses of woody plants to environmental stresses. Bot. Rev. 2002;68, 270-334.


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  • Fellow, American Association for the Advancement of Science (2011)
  • Kemper Fellow, University of Missouri, 2003