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Year 2004 Remove constraint 2004: 2004 Subjects rangelands Remove constraint rangelands: rangelands
Displaying items 1 - 10 of 18 start over

1. Aerodynamic parameters and sensible heat flux estimates for a semi-arid ecosystem

Description:
Includes references
Author:
Prueger, J.H. , Kustas, W.P. , Hipps, L.E. , Hatfield, J.L.
Subject:
arid lands , semiarid zones , desserts , dunes , grasslands , rangelands , ecosystems , heat transfer , energy balance , aerodynamics , air temperature , wind speed , ground vegetation , grasses , shrubs , vegetation cover , height , surface roughness , statistical analysis , equations , New Mexico
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

2. ARS rangeland research: enhancing economic and environmental sustainability

Description:
Includes references
Subject:
Agricultural Research Service , research , rangelands , range management
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

3. Assessing soil organic carbon redistribution with fallout cesium

Description:
Includes references
Author:
Ritchie, J.C. , McCarty, G.W. , Venteris, E.R. , Kaspar, T.C. , Owens, L.B. , Nearing, M. , Nichols, M.H.
Subject:
soil organic carbon , spatial distribution , soil erosion , soil movement , agricultural soils , cesium , rangelands , agricultural watersheds , watershed management , tillage , grazing intensity , Maryland , Ohio , Iowa , Arizona
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

4. Crop-livestock interactions in the West African drylands

Description:
Includes references
Author:
Powell, J.M. , Pearson, R.A. , Hiernaux, P.H.
Subject:
crop production , livestock production , arid lands , dryland farming , farm management , history , biogeochemical cycles , feeds , crop residues , cattle manure , soil fertility , soil nutrient dynamics , farm income , draft animals , rangelands , crop yield , Western Africa , Sub-Saharan Africa
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

5. Effects of watershed representation on runoff and sediment yield modeling

Description:
Includes references
Author:
Lopes, V.L. , Canfield, H.E.
Subject:
semiarid zones , rangelands , watershed hydrology , runoff , sediment yield , sediment transport , particle size distribution , hydrologic models , simulation models , water erosion , rain , infiltration (hydrology) , slope , Arizona
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

6. Elevated CO2 increases soil moisture and enhances plant water relations in a long-term field study in semi-arid shortgrass steppe of Colorado

Description:
Includes references
Author:
Nelson, J.A. , Morgan, J.A. , LeCain, D.R. , Mosier, A.R. , Milchunas, D.G. , Parton, B.A.
Subject:
Bouteloua gracilis , Hesperostipa comata , grasses , pasture plants , leaf water potential , plant-water relations , water use efficiency , root growth , rangelands , arid lands , grasslands , grassland soils , rangeland soils , steppe soils , soil profiles , soil water , seasonal variation , soil depth , atmosphere , carbon dioxide , soil-plant-atmosphere interactions , precipitation , rain , air temperature , duration , Colorado
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

7. Estimation of Carbon Sequestration by Combining Remote Sensing and Net Ecosystem Exchange Data for Northern Mixed-Grass Prairie and Sagebrush-Steppe Ecosystems

Description:
Includes references
Author:
Hunt, E. Raymond Jr. , Kelly, Robert D. , Smith, William K. , Fahnestock, Jace T. , Welker, Jeffrey M. , Reiners, William A.
Subject:
carbon sequestration , prairies , steppes , shrublands , rangelands , carbon dioxide , gas exchange , primary productivity , satellites , remote sensing , Wyoming
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

8. Information technology in watershed management decision making

Description:
Includes references
Author:
Miller, R.C. , Guertin, D.P. , Heilman, P.
Subject:
watershed management , information technology , decision support systems , decision making , Internet resource , hydrologic models , geographic information systems , Agricultural Research Service , case studies , rangelands , Arizona
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

9. Is rangeland agriculture sustainable?

Description:
Includes references
Author:
Heitschmidt, R.K. , Vermeire, L.T. , Grings, E.E.
Subject:
rangelands , sustainable agriculture , grazing management , ecology , environmental impact , noxious weeds , invasive species , economic analysis , desertification , public opinion , perceptions (cognitive) , North America
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

10. Landscape patterns of vegetation change indicated by soil carbon isotope composition

Description:
Includes references
Author:
Biedenbender, S.H. , McClaran, M.P. , Quade, J. , Weltz, M.A.
Subject:
vegetation , ecological succession , semiarid zones , dry environmental conditions , landscape position , soil organic matter , stable isotopes , carbon , shrubs , grasses , grasslands , rangelands , shrublands , plant communities , watersheds , Arizona
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004