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United States Department of Agriculture

Agricultural Research Service

Wayne Polley

Res Ecologist

H. Wayne Polley
Ecologist

Grassland Soil and Water Research Laboratory
USDA-ARS
808 East Blackland Rd.
Temple, TX 76502

Phone: (254) 770-6629
e-mail: wayne.polley@ars.usda.gov

fax: (254) 770-6561


  

Education

Baylor University, Bachelor of Science, Biology, 1979

University of Oklahoma, Master of Science, Botany, 1983

Colorado State University, Ph.D., Range Science, 1987

 


Research Interests 

 

Grassland ecology - soil carbon, plant water relations, primary productivity, biodiversity, ecosystem C fluxes and ecosystem impacts of rising atmospheric (CO2) concentration and precipitation variability.

 


Current Research Projects

 

Lysimeter CO2 Gradient Experiment (Description)

Sustainability of ecosystem services in Southern Plains grasslands 

 


Laboratory Personnel

 

Chris Kolodziejczyk

Katherine Jones


Recent Publications

 

Polley, H.W., J.D. Derner, R.B. Jackson, B.J. Wilsey, and P.A. Fay. Impacts of climate change drivers on C4 grassland productivity: Scaling driver effects through the plant community. Journal of Experimental Botany 65(13):3415-3424.  Publication

 

Martin, L.M., H.W. Polley, P.P. Daneshgar, M.A. Harris, and B.J. Wilsey. 2014. Biodiversity, photosynthetic mode, and ecosystem services differ between native and novel ecosystems. Oecologia 175:687-697.  Publication

 

Gross, K., B.J. Cardinale, J.W. Fox, A. Gonzalez, M. Loreau, H.W. Polley, P.B. Reich, and J. van Ruijven. 2014. Species richness and the temporal stability of biomass production: a new analysis of recent biodiversity experiments. American Naturalist 183:1-12.   Publication

 

Wilsey, B.J., P.P. Daneshgar, K. Hofmockel, and H.W. Polley. 2014. Invaded grassland communities have altered stability-maintenance mechanisms but equal stability compared to native communities. Ecology Letters 17:92-100.  Publication

 

Briske, D.D., B.T. Bestelmeyer, J.R. Brown, S.D. Fuhlendorf, and H.W. Polley. 2013. The savory method cannot green deserts or reverse climate change. Rangelands 35:72-74.  Publication

 

Polley, H.W., D.D. Briske, J.A. Morgan, K. Wolter, D.W. Bailey, and J.R. Brown. 2013. Climate change and North American rangelands: trends, projections, and implications. Rangeland Ecology & Management 66:493-511.  Publication

 

Joyce, L.A., D.D. Briske, J.R. Brown, H.W. Polley, B.A. McCarl, and D.W. Bailey. 2013. Climate change and North American rangelands: assessment, of mitigation and adaptation strategies.  Rangeland Ecology & Management 66:512-528.  Publication

 

Rico, C., J. Pittermann, H.W. Polley, M.J. Aspinwall, and P.A. Fay. 2013. The effect of subambient to elevated atmospheric CO2 concentration on vascular function in Helianthus annuus: implications for plant response to climate change. New Phytologist 199:956-965.  Publication

 

Polley, H.W., F.I. Isbell, and B.J. Wilsey. 2013. Plant functional traits improve diversity-based predictions of temporal stability of grassland productivity. Oikos 122:1275-1282. 

 

de Mazancourt, C., F. Isbell, A. Larocque, F. Berendse, E. De Luca, J.B. Grace, B. Haegeman, H.W. Polley C. Roscher, B. Schmid, D. Tilman, J. van Ruijven, A. Weigelt, B.J. Wilsey, and M. Loreau.  2013.  Predicting ecosystem stability from community composition and biodiversity. Ecology Letters 16:617-625.   Publication

 

Daneshgar, P.P., H.W. Polley, and B.J. Wilsey. 2013. Simple plant traits explain functional group diversity decline in novel grassland communities of Texas. Plant Ecology 214:231-241.   Publication

 

Jin, V.L., R.L. Haney, P.A. Fay, and H.W. Polley. 2013. Soil type and moisture regime control microbial C and N mineralization in grassland soils more than atmospheric CO2-induced changes in litter quality. Soil Biology & Biochemistry 58:172-180.  Publication

 

Derner, J.D., D.D. Briske, and H.W. Polley. 2012. Tiller organization within the tussock grass Schizachyrium scoparium: a field assessment of competition-cooperation tradeoffs. Botany 90:669-677.  Publication

 

Fay, P.A., V.L. Jin, D.A. Way, K.N. Potter, R.A. Gill, R.B. Jackson and H.W. Polley. 2012. Soil-mediated effects of subambient to increased carbon dioxide on grassland productivity. Nature Climate Change 2:742-746. Publication

 

Polley, H.W., V.L. Jin, and P.A. Fay. 2012. Feedback from plant species change amplifies CO2 enhancement of grassland productivity. Global Change Biology 18:2813-2823.  Publication

 

Torbert, H.A., H.W. Polley, and H.B. Johnson. 2012. Nitrogen and carbon cycling in a grassland community ecosystem as affected by elevated atmospheric CO2. International Journal of Agronomy 2012; doi:10.1155/2012/817343. Publication

 

Fay, P.A., H.W. Polley, V.L. Jin, and M.J. Aspinwall. 2012. Productivity of well-watered Panicum virgatum does not increase with CO2 enrichment. Journal of Plant Ecology 2012; doi: 10.1093/jpe/rts007. Publication

 

Polley, H.W., V.L. Jin, and P.A. Fay. 2012. CO2-caused change in plant species composition rivals the shift in vegetation between mid-grass and tallgrass prairies. Global Change Biology 18:700-710. Publication

 

Wilsey, B.J., P.P. Daneshgar, and H.W. Polley. 2011. Biodiversity, phenology and temporal niche differences between native- and novel exotic-dominated grasslands. Perspectives in Plant Ecology, Evolution and Systematics 13:265-276. Publication

 

Kelley, A.M., P.A. Fay, H.W. Polley, R.A. Gill, and R.B. Jackson. 2011. Atmospheric CO2 and soil extracellular enzyme activity: A meta-analysis and CO2 gradient experiment. Ecosphere 2(8):art96.  Publication

 

Derner, J.D., K.R. Hickman, and H.W. Polley. 2011. Decreasing precipitation variability does not elicit major aboveground biomass or plant diversity responses in a mesic rangeland. Rangeland Ecology & Management 64:352-357. Publication

 

Polley, H.W., P.A. Fay, V.L. Jin, and G.F. Combs, Jr. 2011. CO2 enrichment increases element concentrations in grass mixtures by changing species abundances. Plant Ecology 212:945-957. Publication

 

Izaurralde, R.C., J.A. Morgan, A.M. Thompson, P.A. Fay, H.W. Polley, and J.L. Hatfield. 2011. Climate impacts on agriculture: Implications for forage and rangeland production. Agronomy Journal 103:371-381. Publication 


Manzoni, S., G. Vico, G. Katul, P.A. Fay, H.W. Polley, S. Palmroth, and A. Porporato. 2011. Optimizing stomatal conductance for maximum carbon gain under water stress: A meta-analysis across plant functional types and climates. Functional Ecology doi:10.1111/j.1365-2435.2010.01822.x. Publication

 

Manzoni, S., G. Katul, P.A. Fay, H.W. Polley, and A. Porporato. 2011. Modeling the vegetation-atmosphere carbon dioxide and water vapor interactions along a controlled CO2 gradient. Ecological Modelling 222:653-665. Publication

 

Polley, H.W., R.L. Phillips, A.B. Frank, J.A. Bradford, P.L. Sims, J.A. Morgan, and J.R. Kiniry. 2011. Variability in light-use efficiency for gross primary productivity on Great Plains grasslands. Ecosystems 14:15-27. Publication


Polley, H.W., J.A. Morgan, and P.A. Fay. 2011. Application of a conceptual framework to interpret variability in rangeland responses to atmospheric CO2 enrichment. Journal of Agricultural Science 149:1-14. Publication 

 

Johnson, M.-V.V., J.R. Kiniry, H. Sanchez, H.W. Polley, and P.A. Fay. 2010. Comparing biomass yields of low-input high-diversity communities with managed monocultures across the central United States. Bioenergy Research 3:353-361. Publication

 

Polley, H.W., W. Emmerich, J.A. Bradford, P.L. Sims, D.A. Johnson, N.Z. Saliendra, T. Svejcar, R. Angell, A.B. Frank, R.L. Phillips, K.A. Snyder, J.A. Morgan, J. Sanabria, P.C. Mielnick, and W.A. Dugas.  2010. Precipitation regulates the response of net ecosystem CO2 exchange to environmental variation on United States rangelands. Rangeland Ecology and Management 63(2):176-186. Publication

Polley, H.W., W. Emmerich, J.A. Bradford, P.L. Sims, D.A. Johnson, N.Z. Saliendra, T. Svejcar, R. Angell, A.B. Frank, R.L. Phillips, K.A. Snyder, and J.A. Morgan. 2010. Physiological and environmental regulation of interannual variability in CO2 exchange on rangelands in the western United States. Global Change Biology 16: 990-1002. Publication

Anderson, L.J., J.D. Derner, H.W. Polley, W.S. Gordon, D.M. Eissenstat, and R.B. Jackson. 2010. Root responses along a subambient to elevated CO2 gradient in a C3-C4 grassland. Global Change Biology 16: 454-468. Publication

Fay, P.A., A.M. Kelley, A.C. Procter, D. Hui, V.L. Jin, R.B. Jackson, H.B. Johnson, and H.W. Polley. 2009. Primary productivity and water balance of grassland vegetation on three soils in a continuous CO2 gradient: initial results from the Lysimeter CO2 Gradient Experiment. Ecosystems 12: 699-714. Publication

Isbell, F.I., H.W. Polley and B.J. Wilsey. 2009. Species interaction mechanisms maintain grassland plant species diversity. Ecology 90:1821-1830. Publication

Isbell, F.I., H.W. Polley and B.J. Wilsey. 2009. Biodiversity, productivity and the temporal stability of productivity: patterns and processes. Ecology Letters 12:443-451. Publication

Wilkinson, M.J., R.K. Monson, N. Trahan, S. Lee, E. Brown, R.B. Jackson, H.W. Polley, P.A. Fay and R. Fall. 2009. Leaf isoprene emission rate as a function of atmospheric CO 2concentration. Global Change Biology 15:1189-1200. Publication

Wilsey, B.J., T.B. Teaschner, P.P. Daneshgar, F.I. Isbell and H.W. Polley. 2009. Biodiversity maintenance mechanisms differ between native and novel exotic-dominated communities. Ecology Letters 12:432-442. Publication

Polley, H.W., A.B. Frank, J. Sanabria, and R.C. Phillips. 2008. Interannual variability in carbon dioxide fluxes and flux-climate relationships on grazed and ungrazed northern mixed-grass prairie. Global Change Biology 14: 1620-1632. Publication

Polley, H.W., H.B. Johnson, P.A. Fay, and J. Sanabria. 2008. Initial response of evapotranspiration from tallgrass prairie vegetation to CO2 at subambient to elevated concentrations. Functional Ecology 22: 163-171. Publication

Polley, H.W., B.J. Wilsey, and J.D. Derner. 2007. Dominant species constrain effects of species diversity on temporal variability in biomass production of tallgrass prairie. Oikos 116: 2044-2052. Publication

Polley, H.W., B. J. Wilsey, and C.R. Tischler. 2007. Species abundances influence the net biodiversity effect in mixtures of two plant species. Basic and Applied Ecology. 8: 209-218. Publication

Polley, H.W., W.A. Dugas, P.C. Mielnick, and H.B. Johnson. 2007. C3-C4 composition and prior carbon dioxide treatment regulate the response of grassland carbon and water fluxes to carbon dioxide. Functional Ecology 21: 11-18. pdf available on request.

Wilsey, B.J. and H.W. Polley. 2006. Aboveground productivity and root-shoot allocation differ between native and introduced grass species. Oecologia 150: 300-309. Publication

Polley, H.W., P.C. Mielnick, W.A. Dugas, H.B. Johnson, and J. Sanabria. 2006. Increasing CO2 from subambient to elevated concentrations increases grassland respiration per unit of net carbon fixation. Global Change Biology 12: 1390-1399. Publication

Polley, H.W., B.J. Wilsey, J.D. Derner, H.B. Johnson, and J. Sanabria. 2006. Early-successional plants regulate grassland productivity and species composition: a removal experiment. Oikos 113: 287-295. Publication

Polley, H.W., C.R. Tischler, and H.B. Johnson. 2006. Elevated atmospheric CO2 magnifies intra-specific variation in seedling growth of honey mesquite: An assessment of relative growth rates. Rangeland Ecology and Management 59: 128-134. Publication

Gill, R.A., L.J. Anderson, H.W. Polley, H.B. Johnson, and R.B. Jackson. 2006. Potential nitrogen constraints on soil carbon sequestration under low and elevated atmospheric CO2.   Ecology 87: 41-52. Publication

Wilsey, B.J., L.M. Martin, and H.W. Polley. 2005. Predicting plant extinction based on species-area curves in prairie fragments with high beta richness. Conservation Biology 19: 1835-1841. Publication

Derner, J.D., G.E. Schuman, M. Jawson, S.R. Shafer, J.A. Morgan, H.W. Polley, G.B. Runion, S.A. Prior, H.A. Torbert, H.H. Rogers, J. Bunce, L. Ziska, J.W. White, A.J. Franzluebbers, J.D. Reeder, R.T. Venterea, and L.A. Harper. 2005. USDA-ARS global change research on rangelands and pasturelands. Rangelands 27(5): 36-42. Publication

Polley, H.W., J.D. Derner, and B.J. Wilsey. 2005. Patterns of plant species diversity in remnant and restored tallgrass prairies. Restoration Ecology 13: 480-487. Publication

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 & Management 58: 292-298. Publication

Wilsey, B.J. and H.W. Polley. 2004. Realistically low species evenness does not alter grassland species-richness-productivity relationships. Ecology 85:2693-2700. Publication

Derner, J.D., H.W. Polley, H.B. Johnson, and C.R. Tischler. 2004. Structural attributes of Schizachyrium scoparium in restored Texas blackland prairies. Restoration Ecology 12:80-84. Publication

Derner, J.D., C.R. Tischler, H.W. Polley, and H.B. Johnson. 2004. Intergenerational above- and belowground responses of spring wheat (Triticum aestivum L.) to elevated CO2. Basic and Applied Ecology 5:145-152. Publication

Morgan, J.A., D.E. Pataki, C. Körner, H. Clark, S.J. Del Grosso, J.M. Grünzweig, A.K. Knapp, A.R. Mosier, P.C.D. Newton, P.A. Niklaus, J.B. Nippert, R.S. Nowak, W.J. Parton, H.W. Polley, and M.R. Shaw. 2004. Water relations in grassland and desert ecosystems exposed to elevated atmospheric CO2. Oecologia 140:11-25. Publication

Derner, J.D., H.B. Johnson, B.A. Kimball, P.J. Pinter, Jr., H.W. Polley, C.R. Tischler, T.W. Boutton, R.L. LaMorte, G.W. Wall, N.R. Adam, S.W. Leavitt, M.J. Ottman, A.D. Matthias and T.J. Brooks. 2003. Above- and belowground responses of C3-C4 species mixtures to elevated CO2 and soil water availability. Global Change Biology 9:452-460. Publication

Polley, H.W., H.B. Johnson and J.D. Derner. 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. Publication

Polley, H.W., B.J. Wilsey and J.D. Derner. 2003. Do species evenness and plant density influence the magnitude of selection and complementarity effects in annual plant species mixture? Ecology Letters 6:248-256. Publication

Wilsey, B.J. and H.W. Polley. 2003. Effects of seed additions and grazing history on species diversity and aboveground productivity of sub-humid grasslands. Ecology 84: 920-931. Publication

Gill, R.A., H.W. Polley, H.B. Johnson, L.J. Anderson, H. Maherali and R.B. Jackson. 2002. Nonlinear grassland responses to past and future atmospheric CO2. Nature 417:279-282. Publication

Maherali, H., C.D. Reid, H.W. Polley, H.B. Johnson and R.B. Jackson. 2002. Stomatal acclimation over a subambient to elevated CO2 gradient in a C3/C4 grassland. Plant, Cell and Environment 25:557-566. Publication

Polley, H.W. 2002. Implications of atmospheric and climatic change for crop yield and water use efficiency. Crop Science 42:131-140. Publication

Polley, H.W., H.B. Johnson and J.D. Derner. 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. Publication

Polley, H.W., H.B. Johnson and C.R. Tischler. 2002. Woody invasion of grasslands: evidence that CO2 enrichment indirectly promotes establishment of Prosopis glandulosa. Plant Ecology 164:85-94. Publication

Polley, H.W., C.R. Tischler, H.B. Johnson and J.D. Derner. 2002. Growth rate and survivorship of drought: CO2 effects on the presumed tradeoff in seedlings of five woody legumes. Tree Physiology 22:383-391. Publication

Wilsey, B.J. and H.W. Polley. 2002. Reductions in grassland species evenness increase dicot seedling invasion and spittle bug infestation. Ecology Letters 5:676-684. Publication

Anderson, L.J., H. Maherali, H.B. Johnson, H.W. Polley and R.B. Jackson. 2001. Gas exchange and photosynthetic acclimation over subambient to elevated CO2 in a C3-C4 grassland. Global Change Biology 7:693-707.   Publication


Last Modified: 8/7/2014