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Cohen, W.B. (2)
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Powell, J.M. (2)
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Aber, J.D. (1)
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Aber, John (1)
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Alapaty, Kiran (1)
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Angell, R.F. (1)
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Arnold, J. (1)
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Austin, Amy T. (1)
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Baker, J.M. (1)
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Bakwin, P.S. (1)
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Displaying items
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18
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- Description:
- Includes references
- Author:
- Meixner, T. , Fenn, M.
- Subject:
- forested watersheds , biogeochemical cycles , watershed hydrology , semiarid zones , Mediterranean climate , nitrogen , atmospheric deposition , bioavailability , throughfall , streams , water quality , California
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2004
- Description:
- Includes references
- Author:
- Cook, B.D. , Davis, K.J. , Wang, W.G. , Desai, A. , Berger, B.W. , Teclaw, R.M. , Martin, J.G. , Bolstad, P.V. , Bakwin, P.S. , Yi, C.X. , Heilman, Warren
- Subject:
- energy transfer , turbulent flow , carbon dioxide , water vapor , temperature , montane forests , temporal variation , seasonal variation , forest canopy , biogeochemical cycles , evapotranspiration , stomata , gas exchange , cell respiration , global carbon budget , models , equations , deciduous forests , Wisconsin
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2004
- 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
- Description:
- Includes references
- Author:
- Powell, J.M. , Wu, Z. , Kelling, K. , Cusick, P. , Munoz, G.
- Subject:
- dairy cows , cattle manure , nitrogen , biogeochemical cycles , stable isotopes , isotope labeling , Medicago sativa , alfalfa , Zea mays , corn , forage crops , corn silage , hay , ammonium sulfate , nutrient availability , nitrogen content , urine , feces , excretion , sandy loam soils , Udipsamments , Wisconsin
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2004
- Description:
- Includes references
- Author:
- Niyogi, Dev , Chang, Hsin-I , Saxena, V.K. , Holt, Teddy , Alapaty, Kiran , Booker, Fitzgerald , Chen, Fei , Davis, Kenneth J. , Holben, Brent , Matsui, Toshihisa , Meyers, Tilden , Oechel, Walter C. , Pielke, Roger A. Sr. , Wells, Randy , Wilson, Kell , Xue, Yongkang
- Subject:
- aerosols , atmospheric deposition , forests , grasslands , agricultural land , carbon dioxide , vegetation types , canopy , biogeochemical cycles , ecosystems , gas exchange
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2004
- Description:
- Includes references
- Author:
- Law, B.E. , Turner, D. , Campbell, J. , Sun, O.J. , Van Tuyl, S. , Ritts, W.D. , Cohen, W.B.
- Subject:
- coniferous forests , carbon sequestration , primary productivity , global carbon budget , biogeochemical cycles , simulation models , ecoregions , spatial variation , climatic factors , climate change , remote sensing , spatial data , data analysis , vegetation cover , forest stands , age structure , leaf area index , soil organic carbon , source-sink relationships , forest fires , Oregon , Cascade Mountain region
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2004
- Description:
- Includes references
- Author:
- Jha, M. , Gassman, P.W. , Secchi, S. , Gu, R. , Arnold, J.
- Subject:
- watersheds , Soil and Water Assessment Tool model , model validation , land use , watershed hydrology , stream flow , sediment yield , nitrogen , phosphorus , biogeochemical cycles , Iowa
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2004
- Description:
- Paper presented at the Invasive Plants in Natural and Manage Systems (IPINMAS) Conference held November 2003, Fort Lauderdale, Florida.
- Author:
- Corbin, J.D. , D'Antonio, C.M.
- Subject:
- invasive species , ecological invasion , introduced plants , soil nutrient dynamics , nitrogen , biogeochemical cycles , land restoration
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2004
- Description:
- Includes references
- Author:
- Powers, J.S. , Read, J.M. , Denslow, J.S. , Guzman, S.M.
- Subject:
- soil organic carbon , carbon sequestration , vegetation cover , tropical rain forests , carbon dioxide , anthropogenic activities , land use , land use change , deforestation , spatial variation , temporal variation , tropical soils , estimation , data analysis , models , global carbon budget , biogeochemical cycles , uncertainty , Costa Rica
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2004
- Description:
- In the special issue: The Harvard Forest (USA) nitrogen saturation experiment: results from the first 15 years / edited by J.D. Aber.
- Author:
- Venterea, R.T. , Groffman, P.M. , Verchot, L.V. , Magill, A.H. , Aber, J.D.
- Subject:
- forest soils , biogeochemical cycles , nitrogen , nitrification , mineralization , nitrates , ammonium compounds , immobilization in soil , nitrous oxide , nitric oxide , soil pH , atmospheric deposition , gas emissions , temperate forests , coniferous forests , hardwood forests
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2004
