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Year 2004 Remove constraint 2004: 2004 Subjects climatic factors Remove constraint climatic factors: climatic factors
Displaying items 1 - 10 of 25 start over

1. Ammonia emissions from swine houses in the southeastern United States

Description:
Includes references
Author:
Harper, L.A. , Sharpe, R.R. , Simmons, J.D.
Subject:
air pollution , ammonia , gas emissions , swine housing , climatic factors , body weight , feed intake , air temperature , water temperature , fans , population density , diurnal variation , seasonal variation , regression analysis , statistical models , Southeastern United States
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

2. An Approach for Estimating Soil Carbon Using the National Nutrient Loss Database

Description:
Includes references
Author:
Potter, Steven R. , Atwood, Jay D. , Kellogg, Robert L. , Williams, Jimmy R.
Subject:
soil organic carbon , carbon sequestration , simulation models , databases , estimation , best management practices , data analysis , climatic factors , climatic zones , United States
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

3. Avian use of harvested crop fields during spring migration through North Dakota

Description:
Includes references
Author:
Galle, Alegra M. , Linz, George M. , Bleier, William J.
Subject:
wild birds , migration behavior , fields , agricultural land , habitat preferences , population size , crops , tillage , climatic factors , energy content , Helianthus , North Dakota , Great Plains region
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

4. Bleaching of green peas and changes in enzyme activities of seeds under simulated climatic conditions

Description:
Includes references
Author:
Cheng, M. , McPhee, K.E. , Baik, B.K.
Subject:
peas , color , enzyme activity , climatic factors , food quality , cultivars , light , water , chlorophyll , food composition , lipoxygenase , peroxidase , reaction kinetics , chemical degradation , soaking , oxidation
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

5. Components and Controls of Water Flux in an Old-growth Douglas-fir–Western Hemlock Ecosystem

Description:
Includes references
Author:
Unsworth, Michael H. , Phillips, Nathan , Link, T. , Bond, Barbara J. , Falk, Matthias , Harmon, Mark E. , Hinckley, Thomas M. , Marks, Danny , Paw U, Kyaw Tha
Subject:
old-growth forests , coniferous forests , Pseudotsuga menziesii , Tsuga heterophylla , forest trees , forest ecosystems , sap flow , transpiration , hysteresis , soil water , soil water content , water vapor , forest hydrology , drainage , coarse woody debris , climatic factors , air temperature , humidity , understory , overstory , stomatal conductance , diurnal variation , Washington
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

6. Cover crop effects on nitrogen mineralization and availability in conservation tillage cotton

Description:
Includes references
Author:
Schomberg, H.H. , Endale, D.M.
Subject:
Gossypium hirsutum , seed cotton , conservation tillage , nitrogen , mineralization , nutrient availability , cover crops , crop residues , Secale cereale , rye , Trifolium incarnatum , biomass , biodegradation , plant growth , crop yield , climatic factors , rain , air temperature , leaf area index , nitrogen content , Georgia
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

7. Disturbance and climate effects on carbon stocks and fluxes across Western Oregon USA

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

8. Downscaling monthly forecasts to simulated impacts of climate change on soil erosion and wheat production

Description:
Includes references
Author:
Zhang, X.C. , Nearing, M.A. , Garbrecht, J.D. , Steiner, J.L.
Subject:
climate change , crop production , Triticum aestivum , soil erosion , climatic factors , crop yield , weather forecasting , Water Erosion Prediction Project , simulation models , carbon dioxide , greenhouse gases , elevated atmospheric gases , precipitation , temperature , stormwater , agricultural runoff , plant growth , tillage
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

9. Ecological research in the Large-Scale Biosphere-Atmosphere Experiment in Amazonia: early results

Description:
Includes references
Author:
Keller, M. , Alencar, A. , Asner, G.P. , Braswell, B. , Bustamante, M. , Davidson, E. , Feldpausch, T. , Fernandes, E. , Goulden, M. , Kabat, P.
Subject:
forest ecology , tropical forests , land use , land use change , vegetation cover , reforestation , carbon sequestration , soil nutrient dynamics , greenhouse gases , gas emissions , Oxisols , Ultisols , tropical soils , cerrado , savannas , climatic factors , carbon , global carbon budget , research , soil-plant-atmosphere interactions , Amazonia , Brazil
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

10. Habitat-correlated variation in blackbrush (Coleogyne ramosissima: Rosaceae) seed germination response

Description:
Includes references
Author:
Pendelton, B.K. , Meyer, S.E.
Subject:
Coleogyne ramosissima , xerophytes , shrubs , deserts , ecotones , ecotypes , seed dormancy , seed germination , viability , climatic factors , latitude , altitude , geographical distribution , geographical variation , chilling requirement , life history , air temperature , duration , plant response , probability analysis , correlation , Utah , Nevada , Mojave Desert
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004