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United States Department of Agriculture

Agricultural Research Service

Related Topics

Raymond F Angell (Ray)
Range and Meadow Forage Management Research
Rangeland Scientist

Phone: (541) 573-8936
Fax: (541) 573-3042
67826-A, HWY 205
BURNS, OR, 97720-9399


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Precipitation regulates the response of net ecosystem CO2 exchange to environmental variation on U.S. rangelands Reprint Icon - (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.
Physiological and environmental regulation of interannual variability in CO2 exchange on rangelands in the western United States Reprint Icon - (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.
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.
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.
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.
Carbon Fluxes on North American Rangelands - (Peer Reviewed Journal)
Svejcar, A.J., Angell, R.F., Bradford, J., Dugas, W., Emmerich, W.E., Frank, A.B., Gilmanov, T., Haferkamp, M.R., Johnson, D.A., Mayeux Jr, H.S., Mielnick, P., Morgan, J.A., Saliendra, N., Schuman, G.E., Sims, P.L., Snyder, K.A. 2008. Carbon fluxes on north american rangelands. Rangeland Ecology and Management. 61:465-474.
The Effect of Grazing Duration on Forage Quality and Production of Meadow Foxtail - (Peer Reviewed Journal)
Jess, W., Svejcar, A.J., Angell, R.F. 2008. The Effect of Grazing Duration on Forage Quality and Production of Meadow Foxtail. Canadian Journal of Plant Science. 88:85-92
Long-Term Dynamics of Production, Respiration, and Net CO2 Exchange in Two Sagebrush-Steppe Ecosystems - (Peer Reviewed Journal)
Gilmanov, T.G., Svejcar, A.J., Johnson, D.A., Angell, R.F., Saliendra, N.Z., Wylie, B.K. 2006. Long-Term Dynamics of Production, Respiration, and Net CO2 Exchange in Two Sagebrush-Steppe Ecosystems. Rangeland Ecology and Management.59:585-599.
Production, Respiration, and Net Co2 Exchange in Two Sagebrush-Steppe Ecosystems - (Peer Reviewed Journal)
Gilmanov, T.G., Svejcar, A.J., Johnson, D.A., Angell, R.F., Saliendra, N.Z., Wylie, B.K. 2006. Production, respiration, and net co2 exchange in two sagebrush-steppe ecosystems. Rangeland Ecology and Management. 59(6):585-599.
A Survey of Cow-Calf Producers in Oregon and Nevada - Production Practices - (Proceedings)
Bohnert, D.W., Angell, R.F., Torell, R.C. 2005. A survey of cow-calf producers in Oregon and Nevada - Production practices. Western Section of Animal Science 56:183-185.
A Survey of Cow-Calf Producers in Oregon and Nevada - Production Practices - (Peer Reviewed Journal)
Bohnert, D.W., Angell, R.F. 2006. A Survey of Cow-calf Producers in Oregon and Nevada - Production Practices. Oregon Beef Producer. 2006(1):26-28.
The Effects of Precipitation Timing on Sagebrush Steppe Vegetation - (Peer Reviewed Journal)
Bates, J.D., Svejcar, A.J., Angell, R.F., Miller, R.F. 2005. The effects of precipitation timing on sagebrush steppe vegetation. Journal of Arid Environments. 64:670-697.
Winter Co2 Fluxes above Sagebrush-Steppe Ecosystems in Idaho and Oregon - (Peer Reviewed Journal)
Gilmanov, T.G., Johnson, D.A., Saliendra, N.Z., Angell, R.F., Svejcar, A.J., Clawson, K.L. 2004. Winter CO2 fluxes above sagebrush-steppe ecosystems in Idaho and Oregon. Agricultural and Forest Meteorology. 126(2004):73-88.
Long-Term Dynamics of Production, Respiration, and Light-Use Efficiency in Two Sagebrush Steppe Ecosystems of the U.S. Intermountain West in Relation to Ndvi:scaling Up Co2 Fluxes - (Abstract Only)
Gilmanov, T., Svejcar, A.J., Johnson, D.A., Angell, R.F., Saliendra, N.Z., Wylie, B. 2006. Long-term dynamics of production, respiration, and light-use efficiency in two sagebrush steppe ecosystems of the u.s. intermountain west in relation to ndvi:scaling up CO2 fluxes [abstract]. Agricultural and Forest Meteorology Conference Proceedings. Paper No. 2.11.
Co2 Losses During the Cold Period above Sagebrush-Steppe Ecosystems in Idaho and Oregon - (Abstract Only)
GILMANOV, T.G., JOHNSON, D.A., SALIENDRA, N.Z., SVEJCAR, A.J., ANGELL, R.F. CO2 LOSSES DURING THE COLD PERIOD ABOVE SAGEBRUSH-STEPPE ECOSYSTEMS IN IDAHO AND OREGON. AMERICAN METEOROLOGICAL SOCIETY. 2002.
Characterization of the Carbon Storage Potential of U.S. Rangelands with Long-Term Co2 Flux Measurements - (Abstract Only)
SVEJCAR, A.J., MAYEUX JR, H.S., JOHNSON, D.A., FRANK, A.B., GILMANOV, T., ANGELL, R.F., MORGAN, J.A., SIMS, P.L., BRADFORD, J.A., SALIENDRA, N.Z., EMMERICH, W.E., SCHUMAN, G.E., HAFERKAMP, M.R., MITCHELL, K. CHARACTERIZATION OF THE CARBON STORAGE POTENTIAL OF U.S. RANGELANDS WITH LONG-TERM CO2 FLUX MEASUREMENTS. SOCIETY FOR RANGE MANAGEMENT MEETING ABSTRACTS. 2003. V. 56.
The ARS Rangelands Co2 Flux Network: Do Rangelands Sequester Carbon? - (Abstract Only)
Mayeux, H.S., Dugas, B., Svejcar, A.J., Angell, R.F., Johnson, D.A., Frank, A.B., Emmerich, W.E., Morgan, J.A., Sims, P.L., Bradford, J.A. 2003. The ARS rangelands CO2 flux network: Do rangelands sequester carbon? Proceedings of the 7th International Rangeland Congress. p. 1083-1084.
The Influence of Precipitation Timing on the Sagebrush Steppe Ecosystem. - (Book / Chapter)
SVEJCAR, A.J., BATES, J.D., ANGELL, R.F., MILLER, R.F. THE INFLUENCE OF PRECIPITATION TIMING ON THE SAGEBRUSH STEPPE ECOSYSTEM. MCPHERSON, G., WELTZIN, J., EDITORS. UNIVERSITY OF ARIZONA PRESS. CHANGING PRECIPITATION REGIMES & TERRESTRIAL ECOSYSTEMS. 2003. P. 90-106.
The USDA-ARS Co2 Flux Network: Variation in Rangeland Co2 Flux Across Years and Ecosystems - (Proceedings) - (01-Jul-02)
Rangeland Co2 Fluxes: Implications of Results from the USDA-ARS Flux Network - (Proceedings)
MAYEUX JR, H.S., DUGAS, B.A., SVEJCAR, A.J., JOHNSON, D.A., FRANK, A.B., ANGELL, R.F., MORGAN, J.A., SIMS, P.L., EMMERICH, W.E., HAFERKAMP, M.R. RANGELAND CO2 FLUXES: IMPLICATIONS OF RESULTS FROM THE USDA-ARS FLUX NETWORK. AMERICAN METEOROLOGICAL SOCIETY. 2002. p. 53-54.
Annual Carbon Dioxide Fluxes on Native Sagebrush Rangeland in Eastern Oregon - (Proceedings)
ANGELL, R.F., SVEJCAR, A.J., BATES, J.D., GILMANOV, T.G. ANNUAL CARBON DIOXIDE FLUXES ON NATIVE SAGEBRUSH RANGELAND IN EASTERN OREGON. AGRICULTURAL AND FOREST METEOROLOGY CONFERENCE PROCEEDINGS. 2002.
Annual Carbon Dioxide Fluxes on Native Sagebrush Rangeland in Eastern Oregon - (Proceedings)
ANGELL, R.F., SVEJCAR, A.J., BATES, J.D., GILMANOV, T. ANNUAL CARBON DIOXIDE FLUXES ON NATIVE SAGEBRUSH RANGELAND IN EASTERN OREGON. AGRICULTURAL AND FOREST METEOROLOGY. 2002. P. 49-50.
The USDA-ARS Co2 Flux Network: Variation in Rangeland Co2 Flux Across Years and Ecosystems - (Proceedings)
SVEJCAR, A.J., DUGAS, W., MAYEUX JR, H.S., JOHNSON, D.A., FRANK, A.B., GILMANOV, T.G., ANGELL, R.F., MORGAN, J.A., SIMS, P.L., BRADFORD, J.A. THE USDA-ARS CO2 FLUX NETWORK: VARIATION IN RANGELAND CO2 FLUX ACROSS YEARS AND ECOSYSTEMS. AGRICULTURAL AND FOREST METEOROLOGY. 2002. P. 37-38.
Bowen Ratio and Closed Chamber Carbon Dioxide Flux Measurements over Sagebrush Steppe Vegetation - (Peer Reviewed Journal)
ANGELL,R.F., SVEJCAR,A.J., SALIENDRA,N.Z., JOHNSON,D.A., BATES,J.D., BOWEN RATIO AND CLOSED CHAMBER CARBON DIOXIDE FLUX MEASUREMENTS OVER SAGEBRUSH STEPPE VEGETATION, AGRICULTURAL AND FOREST METEOROLOGY, 2001. 108 (2): 153-161.
Fixed Location Rain Shelters for Studying Precipitation Effects on Rangelands - (Peer Reviewed Journal) - (08-Mar-99)
A Chamber Design for Measuring Net Co2 Exchange in Field Plots - (Peer Reviewed Journal) - (06-Apr-98)
Measuring Carbon Dioxide Flux on Sagebrush Range: Preliminary Results - (Experiment Station)
ANGELL,R.F., SVEJCAR,A.J., MEASURING CARBON DIOXIDE FLUX ON SAGEBRUSH RANGE: PRELIMINARY RESULTS, EASTERN OREGON AGRICULTURAL RESEARCH CENTER, 1998, PP. 45 - 48.
Effect of Nitrogen Fertilizer on Yield and Quality of Meadow Foxtail Hay - (Experiment Station)
ANGELL,R.F., SVEJCAR,A.J., EFFECT OF NITROGEN FERTILIZER ON YIELD AND QUALITY OF MEADOW FOXTAIL HAY, EASTERN OREGON AGRICULTURAL RESEARCH CENTER, 1998. PP. 74 - 79.
Influence of Precipitation Timing on Sagebrush/bunchgrass Vegetation - (Experiment Station)
BATES,J.D., SVEJCAR,A.J., MILLER,R.F., ANGELL,R.F., BAILEY,R., INFLUENCE OF PRECIPITATION TIMING ON SAGEBRUSH/BUNCHGRASS VEGETATION, EASTERN OREGON AGRICULTURAL RESEARCH CENTER, 1998, SPECIAL REPORT 991. PP. 34-44.
The Rangeland Carbon Dioxide Flux Project - (Peer Reviewed Journal) - (11-May-97)
Carbon Exchange Rates in An Ungrazed Wyoming Big Sagebrush Community - (Abstract Only) - (01-Sep-96)
Crested Wheatgrass and Shrub Response to Continuous Or Rotational Grazing - (Peer Reviewed Journal) - (06-Apr-96)
The Influence of Energy Supplementation on Performance, Digestive Kinetics,and Intake of Cattle Grazing Native Flood Meadows in Eastern Oregon. - (Abstract Only) - (23-May-95)
Factors Associated with Dystocia in Beef Heifers - (Peer Reviewed Journal) - (01-Nov-91)
Last Modified: 7/24/2014
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