Grassland, Soil and Water Research Laboratory : People & Places

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Wayne Polley

Ecologist

Publications (Clicking on the reprint icon

will take you to the publication reprint.)

The effect of sub-ambient to elevated [CO2]atm on vascular function in Helianthus annuus: Implications for plant response to climate change - (Peer Reviewed Journal) - (16-Apr-13)

Plant functional traits improve diversity-based predictions of temporal stability of grassland productivity - (Peer Reviewed Journal) - (29-Jan-13)

Simple plant traits explain functional group diversity decline in novel grassland communities of Texas - (Peer Reviewed Journal)

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

Soil type and moisture regime control microbial C and N mineralization in grassland soils more than atmospheric CO2-induced changes in litter quality - (Peer Reviewed Journal)

Jin, V.L., Haney, R.L., Fay, P.A., Polley, H.W. 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 and Biochemistry. 58:172-180. Available: http://dx.doi.org/10.1016/j.soilbio.2012.11.024.

Climate Change and Agriculture: Effects and Adaption - (Government Publication) - (28-Sep-12)

Soil-mediated effects of subambient to increased carbon dioxide on grassland productivity - (Peer Reviewed Journal)

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

Feedback from plant species change amplifies CO2 enhancement of grassland productivity - (Peer Reviewed Journal)

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

Tiller organization within the tussock grass Schizachyrium scoparium: A field assessment of competition-cooperation tradeoffs - (Peer Reviewed Journal)

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

Productivity of well-watered Panicum virgatum does not increase with CO2 enrichment - (Peer Reviewed Journal)

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

Nitrogen and carbon cycling in a grassland community ecosystem as affected by elevated atmospheric CO2

- (Peer Reviewed Journal)

Torbert III, H.A., Polley, H.W., Johnson, H.B. 2012. Nitrogen and carbon cycling in a grassland community ecosystem as affected by elevated atmospheric CO2. International Journal of Agronomy. Article ID 817343, 5 pages, 2012. doi:10.1155/2012/817343.

Nonlinear and threshold responses of grassland productivity and species composition to increased CO2 vary with soil type - (Abstract Only)

Fay, P.A., Jin, V.L., Jackson, R.B., Gill, R.A., Way, D., Polley, H.W. 2011. Nonlinear and threshold responses of grassland productivity and species composition to increased CO2 vary with soil type. In: Proceedings of the EOS Trans. American Geophysical Union, San Francisco, California. Paper No. B41A-0197.

CO2-caused change in plant species composition rivals the shift in vegetation between mid-grass and tallgrass prairies - (Peer Reviewed Journal)

Polley, H.W., Jin, V.L., Fay, P.A. 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.

Rising atmospheric CO2 effects on productivity and plant composition differs among soils in southern plains tallgrass prairie - (Abstract Only)

Fay, P.A., Polley, H.W., Jin, V.L., Gill, R.A., Jackson, R.B., Way, D. 2011. Rising atmospheric CO2 effects on productivity and plant composition differs among soils in southern plains tallgrass prairie. In: Proceedings of the Ecological Society of America, Austin, Texas. OOS 33-5.

Soil type modifies response of soil carbon pools to an atmospheric CO2 gradient - (Abstract Only)

Procter, A., Gill, R., Polley, H.W., Jackson, R. 2011. Soil type modifies response of soil carbon pools to an atmospheric CO2 gradient. In: Proceedings of the Ecological Society of America, August 7-12, 2011, Austin, Texas.

Biochemical inventory as a tool to assay ecosystem carbon dynamics - (Abstract Only)

Hockaday, W.C., Gallagher, M.E., Masiello, C.A., Polley, H.W., Baldock, J.A., Pyle, L.A. 2011. Biochemical inventory as a tool to assay ecosystem carbon dynamics. In: Proceedings of the Ecological Society of America, August 7-12, 2011, Austin, Texas. OOS 11-8.

Atmospheric CO2 and soil extracellular enzyme activity: A meta-analysis and CO2 gradient experiment - (Peer Reviewed Journal)

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

Biodiversity, phenology and temporal niche differences between native- and novel exotic-dominated grasslands - (Peer Reviewed Journal)

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

Decreasing precipitation variability does not elicit major aboveground biomass or plant diversity responses in a mesic rangeland - (Peer Reviewed Journal)

Derner, J.D., Hickman, K.R., Polley, H.W. 2011. Decreasing precipitation variability does not elicit major aboveground biomass or plant diversity responses in a mesic rangeland. Rangeland Ecology and Management. 64(4):352-357.

Variability in light-use efficiency for gross primary productivity on Great Plains grasslands - (Abstract Only)

Polley, H.W., Phillips, B.L., Frank, A.B., Bradford, J.A., Sims, P.L., Morgan, J.A., Kiniry, J.R. 2011. Variability in light-use efficiency for gross primary productivity on Great Plains grasslands. 64th Annual Meeting of the Society for Range Management, February 2-10, 2011, Billings, Montana.

Biodiversity and temporal niche differences between native- and novel exotic-dominated grasslands - (Abstract Only)

Wilsey, B.J., Daneshgar, P., Polley, H.W. 2010. Biodiversity and temporal niche differences between native- and novel exotic-dominated grasslands. In: Proceedings of the Ecological Society of America, August 1-6, 2010, Pittsburgh, Pennsylvania. 2010 CDROM.

Climate impacts on agriculture: Implications for forage and rangeland production - (Peer Reviewed Journal)

Izaurralde, R.C., Morgan, J.A., Thompson, A.M., Fay, P.A., Polley, H.W., Hatfield, J.L. 2010. Climate impacts on agriculture: Implications for forage and rangeland production. Agronomy Journal. 103(2):371-381.

Optimizing stomatal conductance for maximum carbon gain under water stress: A meta-analysis across plant functional types and climates - (Peer Reviewed Journal)

Manzoni, S., Vico, G., Katul, G., Fay, P.A., Polley, H.W., Palmroth, S., Porporato, A. 2011. Optimizing stomatal conductance for maximum carbon gain under water stress: A meta-analysis across plant functional types and climates. Functional Ecology. 25:456-467.

Soil microbial responses to a subambient to elevated gradient of atmospheric CO2 - (Abstract Only)

Kelley, A.M., Procter, A.C., Gill, R.A., Fay, P.A., Polley, H.W., Jackson, R.B. 2010. Soil microbial responses to a subambient to elevated gradient of atmospheric CO2. In: Proceedings of the Ecological Society of America, August 1-6, 2010, Pittsburgh, Pennsylvania. 2010 CDROM.

CO2 enrichment increases element concentrations in grass mixtures by changing species abundances - (Peer Reviewed Journal)

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

The response of soil carbon stocks to changing atmospheric CO2 concentrations are soil-type-dependent - (Abstract Only)

Hockaday, W.A., Gallagher, M.E., Masiello, C.A., Pyle, L.A., Polley, H.W., Baldock, J.A. 2010. The response of soil carbon stocks to changing atmospheric CO2 concentrations are soil-type-dependent. In: Proceedings of the American Geophysical Union, San Francisco, California. B41F-0382.

Modeling the vegetation-atmosphere carbon dioxide and water vapor interactions along a controlled CO2 gradient - (Peer Reviewed Journal)

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

Variability in light-use efficiency for gross primary productivity on Great Plains grasslands - (Peer Reviewed Journal)

Application of a conceptional framework to interpret variability in rangeland responses to atmospheric CO2 enrichment - (Peer Reviewed Journal)

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

Role of extreme events in vegetation dynamics - (Abstract Only)

Polley, H.W. 2010. Role of extreme events in vegetation dynamics. In: Proceedings of the Ecological Society of America, August 1-6, 2010, Pittsburgh, Pennsylvania. 2010 CDROM.

Soil type determines response of soil microbial activity to an atmospheric CO2 gradient - (Abstract Only)

Procter, A.C., Fay, P.A., Gill, R.A., Polley, H.W., Jackson, R.B. 2010. Soil type determines response of soil microbial activity to an atmospheric CO2 gradient. In: Proceedings of the Ecological Society of America Abstracts, August 1-6, 2010, Pittsburgh, Pennsylvania. 2010 CDROM.

Soil type influences the sensitivity of nutrient dynamics to changes in atmospheric CO2 - (Abstract Only)

Gill, R.A., Jin, V.L., Fay, P.A., Polley, H.W., Kelley, A., Jackson, R.B. 2010. Soil type influences the sensitivity of nutrient dynamics to changes in atmospheric CO2. 95th Ecological Society of America Meeting, August 1-6, 2010, Pittsburgh, Pennsylvania. COS 45-6.

Soil type influences the sensitivity of nutrient dynamics to changes in atmospheric CO2 - (Abstract Only)

Gill, R.A., Jin, V.L., Fay, P.A., Polley, H.W., Kelley, A., Jackson, R.B. 2010. Soil type influences the sensitivity of nutrient dynamics to changes in atmospheric CO2. In: Proceedings of the Ecological Society of America, August 1-6, 2010, Pittsburgh, Pennsylvania. 2010 CDROM.

Comparing biomass yields of low-input high-diversity communities with managed monocultures across the central United States

- (Peer Reviewed Journal)

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

Precipitation regulates the response of net ecosystem CO2 exchange to environmental variation on U.S. rangelands

- (Peer Reviewed Journal)

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

The potential impacts of nutrient and CO2 variations on ecosystem oxidative ratio - (Abstract Only)

Gallagher, M.E., Hockaday, W.C., Masiello, C.A., Snapp, S., Polley, H.W., Mcswiney, C.P., Baldock, J.A. 2009. The potential impacts of nutrient and CO2 variations on ecosystem oxidative ratio. In: Proceedings of the EOS Trans. American Geophysical Union, San Francisco, California. Paper No. 90(52):B21B-0339.

Optimal leaf water use drives ecosystem water and carbon fluxes in a changing environment - (Abstract Only)

Manzoni, S., Fay, P.A., Polley, H.W., Palmroth, S., Katul, G., Porporato, A. 2009. Optimal leaf water use drives ecosystem water and carbon fluxes in a changing environment. In: Proceedings of the EOS Trans. American Geophysical Union, San Francisco, California. Paper No. 90(52):H11l-02.

Physiological and environmental regulation of interannual variability in CO2 exchange on rangelands in the western United States

- (Peer Reviewed Journal)

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

Exotic plant traits lead to functional diversity decline in novel ecosystems - (Abstract Only)

Daneshgar, P., Wilsey, B.J., Polley, H.W. 2009. Exotic plant traits lead to functional diversity decline in novel ecosystems. In: Proceedings of the Ecological Society of America, August 2-7, 2009, Albuquerque, New Mexico. 2009 CDROM.

Soil moisture regime and soil type affect the decomposition of graminoid litter grown under three levels of atmospheric CO2 - (Abstract Only)

Jin, V.L., Haney, R.L., Fay, P.A., Polley, H.W. 2009. Soil moisture regime and soil type affect the decomposition of graminoid litter grown under three levels of atmospheric CO2. In: Proceedings of the Ecological Society of America, August 2-7, 2009, Albuquerque, New Mexico. 2009 CDROM.

Precipitation regulates the response of net ecosystem CO2 exchange to environmental variation on U.S. rangelands - (Abstract Only)

Polley, H.W., Emmerich, W.E., Bradford, J.A., Sims, P.L., Johnson, D.A., Saliendra, N.Z., Svejcar, A.J., Angell, R.F., Frank, A.B., Phillips, B.L., Snyder, K.A., Morgan, J.A., Sanabria, J., Mielnick, P.C., Dugas, W.A. 2009. Precipitation regulates the response of net ecosystem CO2 exchange to environmental variation on U.S. rangelands. In: Proceedings of the Ecological Society of America, August 2-7, 2009, Albuquerque, New Mexico. 2009 CDROM.

Biodiversity, productivity and the temporal stability of productivity: patterns and processes

- (Peer Reviewed Journal)

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

Biodiversity maintenance mechanisms differ between native and novel exotic-dominated communities - (Peer Reviewed Journal)

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

Primary productivity and water balance of grassland vegetation on three soils in a continuous CO2 gradient: initial results from the lysimeter CO2 gradient experiment - (Peer Reviewed Journal)

Fay, P.A., Kelley, A.M., Procter, A.C., Jin, V.L., Jackson, R.B., Polley, H.W. 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.

Root Responses Along a Subambient to Elevated CO2 Gradient in a C3-C4 Grassland

- (Peer Reviewed Journal)

Anderson, L.J., Derner, J.D., Polley, H.W., Gordon, W.S., Eissenstat, D.M., Jackson, R.B. 2009. Root Responses Along a Subambient to Elevated CO2 Gradient in a C3-C4 Grassland. Global Change Biology. 16:454-468.

Climatic regulation of seasonal and inter-annual variability in net ecosystem exchange of CO2 on rangelands - (Abstract Only)

Polley, H.W., Emmerich, W.E., Bradford, J.A., Johnson, D.A., Svejcar, A.J., Angell, R.F., Phillips, B.L., Snyder, K.A., Morgan, J.A. 2009. Climatic regulation of seasonal and inter-annual variability in net ecosystem exchange of CO2 on rangelands. In: Proceedings of the Society for Range Management, February 8-12, 2009, Albuquerque, New Mexico. 2009 CDROM.

Aboveground net primary productivity and rainfall use efficiency of grassland on three soils after two years of exposure to a subambient to superambient CO2 gradient - (Abstract Only)

Fay, P.A., Polley, H.W., Jin, V.L. 2008. Aboveground net primary productivity and rainfall use efficiency of grassland on three soils after two years of exposure to a subambient to superambient CO2 gradient. In: Proceedings of the EOS Trans. American Geophysical Union. December 15-19, 2008, San Francisco, CA. Paper No. B43A-0412.

Changes in pedogenic carbonate accumulation under altered atmospheric CO2 in a mesic calcareous grassland - (Abstract Only)

Jin, V.L., Fay, P.A., Polley, H.W., Johnson, H.B., Romanek, C.S. 2008. Changes in pedogenic carbonate accumulation under altered atmospheric CO2 in a mesic calcareous grassland. In: Proceedings of the EOS Trans. American Geophysical Union. December 15-19, 2008, San Francisco, CA. Paper No. B13A-0437.

Modeling plant-atmosphere carbon and water fluxes along a CO2 gradient - (Abstract Only)

Manzoni, S., Fay, P.A., Katul, G., Polley, H.W., Porporato, A. 2008. Modeling plant-atmosphere carbon and water fluxes along a CO2 gradient. In: Proceedings of the EOS Trans. American Geophysical Union. December 15-19, 2008, San Francisco, CA. Paper No. B43A-0417.

Leaf isoprene emission rate as a function of atmospheric CO2 concentration - (Peer Reviewed Journal)

Wilkinson, M., Monson, R.K., Trahan, N., Lee, S., Brown, E., Jackson, R.B., Polley, H.W., Fay, P.A., Fall, R. 2009. Leaf isoprene emission rate as a function of atmospheric CO2 concentration. Global Change Biology. 15:1189-1200.

Species interaction mechanisms maintain grassland plant species diversity

- (Peer Reviewed Journal)

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

Seasonal and inter-annual variability in rangeland NEE: Contributions of climatic anomalies and fluctuations in daytime and night-time CO2 fluxes - (Abstract Only)

Polley, H.W., Emmerich, W.E., Bradford, J.A., Sims, P.L., Johnson, D.A., Saliendra, N.Z., Svejcar, A.J., Angell, R.F., Frank, A.B., Phillips, B.L., Snyder, K.A., Morgan, J.A. 2008. Seasonal and inter-annual variability in rangeland NEE: Contributions of climatic anomalies and fluctuations in daytime and night-time CO2 fluxes. In: Proceedings of the Ecological Society of America, August 3-8, 2008, Milwaukee, Wisconsin. 2008 CDROM.

Mechanisms maintaining grassland biodiversity and ecosystem stability - (Abstract Only)

Isbell, F.I., Polley, H.W., Wilsey, B.J. 2008. Mechanisms maintaining grassland biodiversity and ecosystem stability. In: Proceedings of the Ecological Society of America, August 3-8, 2008, Milwaukee, Wisconsin. 2008 CDROM.

Biodiversity maintenance mechanisms differ between native and exotic communities - (Abstract Only)

Wilsey, B.J., Teaschner, T.B., Daneshgar, P., Polley, H.W. Biodiversity maintenance mechanisms differ between native and exotic communities. In: Proceedings of the Ecological Society of America, August 3-8, 2008, Milwaukee, Wisconsin. 2008 CDROM.

Interaction of soil type and carbon dioxide concentration in grassland soil pore water nitrogen concentrations - (Abstract Only)

Kelly, A., Fay, P.A., Jin, V.L., Polley, H.W., Jackson, R.B. 2008. Interaction of soil type and carbon dioxide concentration in grassland soil pore water nitrogen concentrations. In: Proceedings of the Ecological Society of America, August 3-8, 2008, Milwaukee, Wisconsin. 2008 CDROM.

Soil type interacts with soil respiration in prairie exposed to a gradient CO2 - (Abstract Only)

Procter, A., Kelley, A., Fay, P.A., Jin, V.L., Polley, H.W., Jackson, R.B. 2008. Soil type interacts with soil respiration in prairie exposed to a gradient CO2. In: Proceedings of the Ecological Society of America, August 3-8, 2008, Milwaukee, Wisconsin. 2008 CDROM.

Soil-specific C and N responses to changing atmospheric CO2 concentrations in a mesic grassland ecosystem - (Abstract Only)

Jin, V.L., Fay, P.A., Polley, H.W., Jackson, R.B., Gill, R.A. 2008. Soil-specific C and N responses to changing atmospheric CO2 concentrations in a mesic grassland ecosystem. In: Proceedings of the Ecological Society of America, August 3-8, 2008, Milwaukee, Wisconsin. 2008 CDROM.

Agriculture - (Other)

Hatfield, J.L., Boote, K.J., Kimball, B.A., Wolfe, D.W., Ort, D.R., Izaurralde, C.R., Thomson, A.M., Morgan, J.A., Polley, H.W., Fay, P.A., Mader, T.L., Hahn, G.L. 2008. Agriculture. In: The effects of climate change on agriculture, land resources, water resources, and biodiversity. A Report by the U.S. Climate Change Science Program and the Subcommittee on Global Change Research, Washington, DC. 362 p.

Plant composition and the effects of temperature, soil moisture, and aboveground biomass on soil respiration in grassland - (Abstract Only)

Fay, P.A., Polley, H.W., Wilsey, B., Tiner, K., Jin, V.L. 2008. Plant composition and the effects of temperature, soil moisture, and aboveground biomass on soil respiration in grassland. European Geosciences Union General Assembly, April 13-18, 2008, Vienna, Austria. A-09146. CDROM.

Interannual variability in carbon dioxide fluxes and flux-climate relationships on grazed and ungrazed northern mixed-grass prairie - (Peer Reviewed Journal)

Polley, H.W., Frank, A.B., Sanabria, J., Phillips, R.L. 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.

Change is in the air: impacts of the historical and predicted increase in atmospheric CO2 on pasture and prairie - (Abstract Only)

Polley, H.W., Fay, P.A. 2008. Change is in the air: impacts of the historical and predicted increase in atmospheric CO2 on pasture and prairie. In: Proceedings of the Society for Range Management, January 26-31, 2008, Louisville, Kentucky. 2008 CDROM.

Grasses and Gases: Impacts of Atmospheric CO2 Enrichment on Grasslands - (Proceedings)

Polley, H.W. 2007. Grasses and Gases: Impacts of Atmospheric CO2 Enrichment on Grasslands. In: Proceedings of the Native Plant Society of Texas, October 18-21, 2007, Georgetown, Texas. p. 24-27.

Initial response of evapotranspiration from tallgrass prairie vegetation to CO2 at subambient to elevated concentrations - (Peer Reviewed Journal)

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

Dominant species constrain effects of species diversity on temporal variability in biomass production of tallgrass prairie - (Peer Reviewed Journal)

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

Response of evapotranspiration from tallgrass prairie vegetation to CO2 at subambient to elevated concentrations - (Abstract Only)

Polley, H.W., Johnson, H.B., Fay, P.A. 2007. Response of evapotranspiration from tallgrass prairie vegetation to CO2 at subambient to elevated concentrations. In: Proceedings of the Ecological Society of America, August 5-10, 2007, San Jose, California. 2007 CDROM.

Photosynthetic water use efficiency and biomass of Sorghastrum nutans (C4) and Solidago canadensis (C3) in three soils along a CO2 concentration gradient - (Abstract Only)

Fay, P.A., Hui, D., Procter, A., Jin, V.L., Johnson, H.B., Polley, H.W., Jackson, R.B. 2007. Photosynthetic water use efficiency and biomass of Sorghastrum nutans (C4) and Solidago canadensis (C3) in three soils along a CO2 concentration gradient. In: Proceedings of the Ecological Society of America, August 5-10, 2007, San Jose, California. 2007 CDROM.

Photosynthetic water use efficiency and biomass of Sorghastrum nutans (C4) and Solidago canadensis (C3) in three soils along a CO2 concentration gradient - (Abstract Only)

Fay, P.A., Hui, D., Proctor, A., Jin, V.L., Johnson, H.B., Polley, H.W., Jackson, R.B. 2007. Photosynthetic water use efficiency and biomass of Sorghastrum nutans (C4) and Solidago canadensis (C3) in three soils along a CO2 concentration gradient. European Geosciences Union General Assembly, April 15-20, 2007, Vienna, Austria. A-04329. CDROM.

Photosynthetic water use efficiency in Sorghastrum nutans (C4) and Solidago canadensis (C3) in three soils along a CO2 concentration gradient - (Abstract Only)

Fay, P.A., Hui, D., Proctor, A., Johnson, H.B., Polley, H.W., Jackson, R.B. 2006. Photosynthetic water use efficiency in Sorghastrum nutans (C4) and Solidago canadensis (C3) in three soils along a CO2 concentration gradient. In: Proceedings of the EOS Trans. American Geophysical Union. December 11-15, 2006, San Francisco, CA. Paper No. B41B-0817.

Response of soil respiration to a subambient to elevated CO2 gradient in grassland ecosystems - (Abstract Only)

Hui, D., Fay, P.A., Procter, A., Johnson, H.B., Polley, H.W., Jackson, R.B. 2006. Response of soil respiration to a subambient to elevated CO2 gradient in grassland ecosystems. In: Proceedings of the EOS Trans. American Geophysical Union. December 11-15, 2006, San Francisco, CA. Paper No. B53F-01.

C3-C4 COMPOSITION AND PRIOR CARBON DIOXIDE TREATMENT REGULATE THE RESPONSE OF GRASSLAND CARBON AND WATER FLUXES TO CARBON DIOXIDE

- (Peer Reviewed Journal)

Polley, H.W., Dugas, W.A., Mielnick, P.C., Johnson, H.B. 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.

SPECIES COMPOSITION AND DIVERSITY AS REGULATORS OF TEMPORAL VARIABILITY IN BIOMASS PRODUCTION OF TALLGRASS PRAIRIE - (Abstract Only)

Polley, H.W., Wilsey, B.J., Derner, J.D. 2007. Species composition and diversity as regulators of temporal variability in biomass production of tallgrass prairie. Society for Range Management Meeting Abstracts. Paper No. 337. CDROM.

Aboveground productivity and root-shoot allocation differ between native and introduced grass species - (Peer Reviewed Journal)

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

RESPONSE OF SEEDLINGS OF TWO HYPOGEAL BRUSH SPECIES TO CO2 ENRICHMENT - (Proceedings)

Tischler, C.R., Derner, J.D., Polley, H.W., Johnson, H.B. 2007. Response of seedlings of two hypogeal brush species to co2 enrichment. Proceedings: Shrubland dynamics - fire and water. p. 104-106.

SPECIES ABUNDANCES INFLUENCE THE NET BIODIVERSITY EFFECT IN MIXTURES OF TWO PLANT SPECIES - (Peer Reviewed Journal)

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

INCREASING CO2 FROM SUBAMBIENT TO ELEVATED CONCENTRATIONS INCREASES GRASSLAND RESPIRATION PER UNIT OF NET CARBON FIXATION - (Peer Reviewed Journal)

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

ELEVATED ATMOSPHERIC CO2 MAGNIFIES INTRA-SPECIFIC VARIATION IN SEEDLING GROWTH OF HONEY MESQUITE: AN ASSESSMENT OF RELATIVE GROWTH RATES - (Peer Reviewed Journal)

Polley, H.W., Tischler, C.R., Johnson, H.B. 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.

EARLY-SUCCESSIONAL PLANTS REGULATE GRASSLAND PRODUCTIVITY AND SPECIES COMPOSITION: A REMOVAL EXPERIMENT - (Peer Reviewed Journal)

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

USDA-ARS GLOBAL CHANGE RESEARCH ON RANGELANDS AND PASTURELANDS - (Peer Reviewed Journal)

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

POTENTIAL NITROGEN CONSTRAINTS ON SOIL CARBON SEQUESTRATION UNDER LOW AND ELEVATED ATMOSPHERIC CO2 - (Peer Reviewed Journal)

Gill, R.A., Anderson, L.J., Polley, H.W., Johnson, H.B., Jackson, R.B. 2006. Potential nitrogen constraints on soil carbon sequestration under low and elevated atmospheric CO2. Ecology. 87(1):41-52.

EARLY-SUCCESSIONAL PLANTS REGULATE GRASSLAND PRODUCTIVITY AND SPECIES COMPOSITION - (Abstract Only)

Polley, H.W., Wilsey, B.J., Derner, J.D., Johnson, H.B., Sanabria, J. 2005. Early-successional plants regulate grassland productivity and species composition. In: Ecological Society of America Abstracts, August 7-12, 2005, Montreal, Canada. 2005 CDROM.

PREDICTING PLANT EXTINCTION BASED ON SPECIES-AREA CURVES IN PRAIRIE FRAGMENTS WITH HIGH BETA RICHNESS - (Peer Reviewed Journal)

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

SEEDLING GROWTH OF TWO HONEY MESQUITE VARIETIES UNDER CO2 ENRICHMENT - (Peer Reviewed Journal)

Derner, J.D., Tischler, C.R., Polley, H.W., Johnson, H.B. 2005. Seedling growth of two honey mesquite varieties under CO2 enrichment. Rangeland Ecology and Management. 58:292-298.

CARBON DIOXIDE ENRICHMENT INFLUENCES THE EXPRESSION OF GENETIC VARIATION FOR SEEDLING GROWTH IN HONEY MESQUITE - (Abstract Only)

Polley, H.W., Tischler, C.R. 2005. Carbon dioxide enrichment influences the expression of genetic variation for seedling growth in honey mesquite. In: Society for Range Management 58th Annual Meeting and Trade Show, February 5-11, 2005, Fort Worth, Texas. 2005 CDROM.

INFLUENCE OF CO2 ENRICHMENT ON PLANT COMMUNITY AND SOIL SYSTEMS IN MESIC RANGELANDS - (Abstract Only)

Polley, H.W. 2005. Influence of CO2 enrichment on plant community and soils systems in mesic rangelands. In: Society for Range Management 58th Annual Meeting and Trade Show, February 5-11, 2005, Fort Worth, Texas. 2005 CDROM.

PATTERNS OF PLANT SPECIES DIVERSITY IN REMNANT AND RESTORED TALLGRASS PRAIRIE - (Peer Reviewed Journal)

Polley, H.W., Derner, J.D., Wilsey, B.J. 2005. Patterns of plant species diversity in remnant and restored tallgrass prairies. Restoration Ecology. 13(3):480-487.

IS THE OUTCOME OF SPECIES INTERACTIONS SENSITIVE TO SPECIES RELATIVE ABUNDANCES? - (Abstract Only)

Polley, H.W., Wilsey, B.J., Tischler, C.R. 2004. Is the outcome of species interactions sensitive to species relative abundances?. Ecological Society of America Abstracts. p. 403.

REALISTICALLY LOW SPECIES EVENNESS DOES NOT ALTER GRASSLAND SPECIES RICHNESS-PRODUCTIVITY RELATIONSHIPS - (Abstract Only)

Wilsey, B.J., Polley, H.W. 2004. Realistically low species evenness does not alter grassland species richness-productivity relationships. Ecological Society of America Abstracts. p. 547.

REALISTICALLY LOW SPECIES EVENNESS DOES NOT ALTER GRASSLAND SPECIES RICHNESS-PRODUCTIVITY RELATIONSHIPS - (Peer Reviewed Journal)

Wilsey, B.J., Polley, H.W. 2004. Realistically low species evenness does not alter grassland species-richness-productivity relationships. Ecology. 85(10):2693-2700.

RESPONSE OF SPECIES DIVERSITY WITHIN PLANT FUNCTIONAL GROUPS TO ALTERED PRECIPITATION REGIMES IN TALLGRASS PRAIRIE - (Abstract Only)

Hickman, K.R., Derner, J.D., Polley, H.W. 2004. Response of species diversity within plant functional groups to altered precipitation regimes in tallgrass prairie. Ecological Society of America Abstracts. V. 89. p. 219.

RESPONSES OF SEEDLINGS OF FIVE WOODY SPECIES TO CARBON DIOXIDE ENRICHMENT - (Proceedings)

Tischler, C.R., Derner, J.D., Polley, H.W., Johnson, H.B. 2004. Responses of seedlings of five woody species to carbon dioxide enrichment. In: Hild, A.L., Shaw, N.L., Meyer, S.E., Booth, D.T., McArthur, E.D., editors. Proceedings of the Seed and Soil Dynamics in Shrubland Ecosystems, August 12-16, 2002, Laramie, Wyoming. p. 161-163.

EFFECTS OF ELEVATED CO2 ON GROWTH RESPONSES OF HONEY MESQUITE (PROSOPIS GLANDULOSA) SEEDLINGS FROM SITES ALONG A PRECIPITATION GRADIENT - (Abstract Only)

Derner, J.D., Tischler, C.R., Polley, H.W., Johnson, H.B. 2004. In: Hild, A.L., Shaw, N.L., Meyer, S.E., Booth, D.T., McArthur, E.D., editors. Proceedings of the Seed and Soil Dynamics in Shrubland Ecosystems, August 12-16, 2002, Laramie, Wyoming. p. 156-160.

- (Proceedings)

Derner, J.D., Tischler, C.R., Polley, H.W., Johnson, H.B. 2004. Effects of elevated co2 on growth responses of honey mesquite seedlings from sites along a precipitation gradient. pp. 156-160. Wildland Shrub Symposium Proceedings. Laramie, WY.

INTERGENERATIONAL ABOVE- AND BELOWGROUND RESPONSES OF SPRING WHEAT (TRITICUM AESTIVUM L.) TO ELEVATED CO2 - (Peer Reviewed Journal)

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

EFFECTS OF DISTURBANCE AND SOIL FERTILITY ON COMPETITIVENESS OF WEEDY INVADERS OF TEXAS PASTURES - (Abstract Only)

Tischler, C.R., Polley, H.W., Johnson, H.B. 2003. Effects of disturbance and soil fertility on competitiveness of weedy invaders of Texas pastures [abstract]. American Society of Agronomy Abstracts. 2003 CDROM.

INCREASING CO2 FROM SUBAMBIENT TO SUPERAMBIENT CONCENTRATIONS ALTERS SPECIES COMPOSITION AND INCREASES ABOVE-GROUND BIOMASS IN A C3/C4 GRASSLAND - (Peer Reviewed Journal)

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

AN ALAMO SWITCHGRASS POPULATION WITH REDUCED SEED DORMANCY - (Abstract Only)

Tischler, C.R., Derner, J.D., Polley, H.W., Johnson, H.B. 2004. An 'Alamo' switchgrass population with reduced seed dormancy. In: Randall, J., Burns, J.C. Proceedings of The Third Eastern Native Grass Symposium, October 1-3, 2002, Chapel Hill, North Carolina. p. 292.

STRUCTURAL ATTRIBUTES OF SCHIZACHYRIUM SCOPARIUM IN RESTORED TEXAS BLACKLAND PRAIRIES - (Peer Reviewed Journal)

Derner, J.D., Polley, H.W., Johnson, H.B., Tischler, C.R. 2004. Structural attributes of Schizachyrium scoparium in restored Texas blackland prairies. Restoration Ecology. 12(1):80-84.

PLANT SPECIES DIVERSITY IN NATIVE AND RESTORED TALLGRASS PRAIRIES: PATTERNS AND CONTROLS - (Abstract Only)

Polley, H.W., Wilsey, B.J., Derner, J.D. 2003. Plant species diversity in native and restored tallgrass prairies: patterns and controls [abstract]. Ecological Society of America Abstracts. p. 269.

SHORT- AND MEDIUM-TERM CARBON AND NITROGEN DYNAMICS IN A GRASSLAND EXPOSED TO PAST AND FUTURE ATMOSPHERIC CO2 - (Abstract Only)

Gill, R.A., Polley, H.W., Johnson, H.B., Jackson, R.B. 2003. Short- and medium-term carbon and nitrogen dynamics in a grassland exposed to past and future atmospheric CO2 [abstract]. Ecological Society of America Abstracts. p. 122.

GRASSLAND PRODUCTIVITY RESPONSES TO RISING ATMOSPHERIC CARBON DIOXIDE ARE DRIVEN PRIMARILY BY WATER RELATIONS - (Proceedings)

MORGAN, J.A., PATAKI, D.E., GRUENZWEIG, J., KORNER, C., NILAUS, P., POLLEY, H.W., NOWAK, R., NEWTON, P. 2003. GRASSLAND PRODUCTIVITY RESPONSES TO RISING ATMOSPHERIC CARBON DIOXIDE ARE DRIVEN PRIMARILY BY WATER RELATIONS. ECOLOGICAL SOCIETY OF AMERICA PROCEEDINGS. p. 243. Abstract.

ABOVE- AND BELOWGROUND RESPONSES OF C3-C4 SPECIES MIXTURES TO ELEVATED CO2 AND SOIL WATER AVAILABILITY - (Peer Reviewed Journal)

DERNER, J.D., JOHNSON, H.B., KIMBALL, B.A., PINTER JR, P.J., POLLEY, H.W., TISCHLER, C.R., BOUTTON, T., LAMORTE, R., WALL, R.J., ADAM, N.R. ABOVE- AND BELOWGROUND RESPONSES OF C3-C4 SPECIES MIXTURES TO ELEVATED CO2 AND SOIL WATER AVAILABILITY. GLOBAL CHANGE BIOLOGY. 2003.

EFFECTS OF ELEVATED CO2 ON ABOVE- AND BELOW-GROUND GROWTH RESPONSES OF TWO VARIETIES OF MESQUITE - (Abstract Only)

DERNER, J.D., TISCHLER, C.R., POLLEY, H.W., JOHNSON, H.B. EFFECTS OF ELEVATED CO2 ON ABOVE- AND BELOW-GROUND GROWTH RESPONSES OF TWO VARIETIES OF MESQUITE. SOCIETY FOR RANGE MANAGEMENT MEETING ABSTRACTS. 2003.

EFFECTS OF SEED ADDITIONS AND GRAZING HISTORY ON DIVERSITY AND PRODUCTIVITY OF SUBHUMID GRASSLANDS - (Peer Reviewed Journal)

Wilsey, B.J., Polley, H.W. 2003. Effects of seed additions and grazing history on diversity and productivity of subhumid grasslands. Ecology. 84(4):920-931.

COMPETITION INTENSITY AND SPECIES EVENNESS: EFFECTS ON EXPRESSION OF NON-COMPLEMENTARY INTERACTIONS IN PLANT SPECIES MIXTURES - (Abstract Only)

Polley, H.W., Wilsey, B.J., Derner, J.D. Competition intensity and species evenness: effects on expression of non-complementary interactions in plant species mixtures. Ecological Society of America Annual Meeting Abstracts. 2002. p. 237-238.

COMPETITION INTENSITY AND SPECIES EVENNESS: EFFECTS ON EXPRESSION OF NON-COMPLEMENTARY INTERACTIONS IN PLANT SPECIES MIXTURES - (Abstract Only)

EFFECTS OF SPECIES EVENNESS AND RICHNESS ON ECOSYSTEM PROCESS RATES: FIRST YEAR RESULTS - (Abstract Only)

Wilsey, B., Polley, H.W. Effects of species evenness and richness on ecosystem process rates: first year results. Ecological Society of America Annual Meeting Abstracts. 2002. p. 299.

REDUCTIONS IN GRASSLAND SPECIES EVENNESS INCREASE DICOT SEEDLING INVASION AND SPITTLE BUG INFESTATION - (Peer Reviewed Journal)

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

DO SPECIES EVENNESS AND PLANT DENSITY INFLUENCE THE MAGNITUDE OF SELECTION AND COMPLEMENTARITY EFFECTS IN ANNUAL PLANT SPECIES MIXTURES? - (Peer Reviewed Journal)

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

SOIL- AND PLANT-WATER DYNAMICS IN A C3/C4 GRASSLAND EXPOSED TO A SUBAMBIENT TO SUPERAMBIENT CO2 GRADIENT - (Peer Reviewed Journal)

Polley, H.W., Johnson, H.B., Derner, J.D. Soil- and plant-water dynamics in a C3/C4 grassland exposed to a subambient to superambient CO2 gradient. Global Change Biology. 2002. v. 8. p. 1118-1129.

GROWTH RATE AND SURVIVORSHIP OF DROUGHT: CO2 EFFECTS ON THE PRESUMED TRADEOFF IN SEEDLINGS OF FIVE WOODY LEGUMES - (Peer Reviewed Journal)

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

WOODY INVASION OF GRASSLANDS: EVIDENCE THAT CO2 ENRICHMENT INDIRECTLY PROMOTES ESTABLISHMENT OF PROSOPIS GLANDULOSA - (Peer Reviewed Journal)

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

ROOT SYSTEM RESPONSE OF C4 GRASS SEEDLINGS TO CO2 AND SOIL WATER - (Peer Reviewed Journal) - (05-Jan-01)

ACCLIMATION OF WHOLE-PLANT ACACIA FARNESIANA TRANSPIRATION TO CO2 - (Peer Reviewed Journal)

Dugas, W.A., Polley, H.W., Mayeux, H.S., Johnson, H.B. 2001. Acclimation of whole-plant acacia farnesiana transpiration to CO2. Tree Physiology. 21: 771-773.

SEEDLING RESPONSE TO ELEVATED CO2 IN FIVE EPIGEAL SPECIES - (Peer Reviewed Journal) - (06-Jan-00)

GENETIC VARIATION FOR CARBON ISOTOPE COMPOSITION IN HONEY MESQUITE (PROSOPIS GLANDULOSA) - (Peer Reviewed Journal) - (24-Jan-99)

ENVIRONMENT AND SEEDLING AGE INFLUENCE MESQUITE RESPONSE TO EPICOTYL REMOVAL - (Peer Reviewed Journal) - (21-Jun-97)

IMPLICATIONS OF RISING ATMOSPHERIC CARBON DIOXIDE CONCENTRATION FOR RANGELANDS - (Peer Reviewed Journal) - (14-May-97)

LEAF PHYSIOLOGY, PRODUCTION, WATER USE, AND NITROGEN DYNAMICS OF THE GRASSLAND INVADER ACACIA SMALLII AT ELEVATED CO2 CONCENTRATIONS - (Peer Reviewed Journal) - (21-Sep-96)

IMPACTS OF RISING CO2 CONCENTRATION ON WATER USE EFFICIENCY OF WOODY GRASSLAND INVADERS - (Proceedings) - (01-Aug-96)

EFFECTS OF ELEVATED CONCENTRATIONS OF CARBON DIOXIDE ON SEEDLING GROWTH OF MESQUITE AND HUISACHE - (Proceedings) - (01-Aug-96)

CARBON DIOXIDE ENRICHMENT IMPROVES GROWTH, WATER RELATIONS AND SURVIVAL OF DROUGHTED HONEY MESQUITE (PROSOPIS GLANDULOSA) SEEDLINGS - (Peer Reviewed Journal) - (20-Jun-96)

VIEWPOINT: ATMOSPHERIC CO2, SOIL WATER, AND SHRUB/GRASS RATIOS ON RANGELANDS - (Peer Reviewed Journal) - (09-Jun-96)

SEED MASS EFFECTS ON RAPIDITY OF RESPONSE TO CO2 ENRICHMENT IN FIVE EPIGEALSPECIES - (Abstract Only) - (30-May-96)

EXTRACTION OF DNA FROM WOODY LEGUMES AND ANALYSIS BY RAPD-PCR - (Abstract Only) - (12-Apr-96)

INTRASPECIFIC VARIATION IN HONEY MESQUITE SEEDLING GROWTH IN RESPONSE TO CO2 ENRICHMENT - (Abstract Only) - (03-Apr-96)

CARBON DIOXIDE ENRICHMENT IMPROVES WATER RELATIONS AND SURVIVAL OF DROUGHTED HONEY MESQUITE SEEDINGS - (Abstract Only) - (17-Feb-96)

LEAF AND PLANT WATER USE EFFICIENCY OF C4 SPECIES GROWN AT GLACIAL TO ELEVATED CO2 CONCENTRATIONS - (Peer Reviewed Journal) - (10-Nov-95)

NITROGEN AND WATER REQUIREMENTS OF C3 PLANTS GROWN AT GLACIAL TO PRESENT CARBON DIOXIDE CONCENTRATIONS - (Peer Reviewed Journal) - (21-Apr-94)

Last Modified: 05/23/2013

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