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[1 - 20] [21 - 40] [41 - 41] Next
| Records 1 thru 20 of 41
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01. | Title: Agricultural Nitrogen Trends in the Mississippi Basin, 1949-1997
Author(s): Burkart, M. R.; James, D. E.
Publisher: U. S. Department of Agriculture, Agricultural Research Service, National Soil Tilth Laboratory
Resource Availability: No Guarantee
NAL Subject: hypoxia/ nutrient enrichment/ nitrate nitrogen/ pollution load/ agricultural runoff/ fertilizers/ ammonia/ animal manures/ mineralization/ crop residues/ nitrogen fixation/ legumes/ atmospheric deposition/ denitrification/ harvesting/ temporal variation/ geographical distribution/ Census of Agriculture/ census data/ Mississippi River/ Gulf of Mexico/
Date: 2001-00-00
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02. | Title: Ambient water quality criteria recommendations: information supporting the development of state and tribal nutrient criteria: lakes and reserviors in nutrient ecoregion II
Author(s): U.S. Environmental Protection Agency, Office of Water
Publisher: U.S. Environmental Protection Agency
Resource Availability: No Guarantee
NAL Subject: water quality criteria/ water quality standards/ environmental policy/ laws and regulations/ Clean Water Act/ lakes/ reservoirs/ nutrient enrichment/ nitrogen/ phosphorus/ chlorophyll/ turbidity/ ecosystems/ geomorphology/ mountains/ forests/ data collection/ sampling/ statistical analysis/ environmental models/ quality control/ Arizona/ California/ Colorado/ Idaho/ Montana/ New Mexico/ Oregon/ South Dakota/ Texas/ Utah/ Washington/ Wyoming/ Western United States/ United States/
Date: 2000-12-00
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03. | Title: Ambient water quality criteria recommendations: information supporting the development of state and tribal nutrient criteria: lakes and reserviors in nutrient ecoregion III
Author(s): U.S. Environmental Protection Agency, Office of Water
Publisher: U.S. Environmental Protection Agency
Resource Availability: No Guarantee
NAL Subject: water quality criteria/ water quality standards/ environmental policy/ laws and regulations/ Clean Water Act/ lakes/ reservoirs/ nutrient enrichment/ nitrogen/ phosphorus/ chlorophyll/ turbidity/ ecosystems/ geomorphology/ deserts/ data collection/ sampling/ statistical analysis/ environmental models/ quality control/ Arizona/ California/ Colorado/ Idaho/ Montana/ Nevada/ New Mexico/ Oregon/ Texas/ Utah/ Washington/ Wyoming/ Western United States/ United States/
Date: 2001-12-00
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04. | Title: Ambient water quality criteria recommendations: information supporting the development of state and tribal nutrient criteria: lakes and reserviors in nutrient ecoregion IV
Author(s): U.S. Environmental Protection Agency, Office of Water
Publisher: U.S. Environmental Protection Agency
Resource Availability: No Guarantee
NAL Subject: water quality criteria/ water quality standards/ environmental policy/ laws and regulations/ Clean Water Act/ lakes/ reservoirs/ nutrient enrichment/ nitrogen/ phosphorus/ chlorophyll/ turbidity/ ecosystems/ geomorphology/ grasslands/ shrublands/ rangelands/ data collection/ sampling/ statistical analysis/ environmental models/ quality control/ Colorado/ Kansas/ Montana/ Nebraska/ North Dakota/ New Mexico/ Oklahoma/ Texas/ Wyoming/ Western United States/ Midwestern United States/ Great Plains region/ United States/
Date: 2001-12-00
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05. | Title: Ambient water quality criteria recommendations: information supporting the development of state and tribal nutrient criteria: lakes and reserviors in nutrient ecoregion V
Author(s): U.S. Environmental Protection Agency, Office of Water
Publisher: U.S. Environmental Protection Agency
Resource Availability: No Guarantee
NAL Subject: water quality criteria/ water quality standards/ environmental policy/ laws and regulations/ Clean Water Act/ lakes/ reservoirs/ nutrient enrichment/ nitrogen/ phosphorus/ chlorophyll/ turbidity/ ecosystems/ geomorphology/ agricultural land/ prairies/ data collection/ sampling/ statistical analysis/ environmental models/ quality control/ Colorado/ Kansas/ Montana/ Nebraska/ North Dakota/ New Mexico/ Oklahoma/ South Dakota/ Texas/ Wyoming/ Western United States/ Great Plains region/ Midwestern United States/ United States/
Date: 2001-12-00
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06. | Title: Ambient water quality criteria recommendations: information supporting the development of state and tribal nutrient criteria: rivers and streams in nutrient ecoregion II
Author(s): U.S. Environmental Protection Agency, Office of Water
Publisher: U.S. Environmental Protection Agency
Resource Availability: No Guarantee
NAL Subject: water quality criteria/ water quality standards/ environmental policy/ laws and regulations/ Clean Water Act/ rivers/ streams/ nutrient enrichment/ nitrogen/ phosphorus/ chlorophyll/ turbidity/ ecosystems/ geomorphology/ mountains/ forests/ steepland soils/ data collection/ sampling/ statistical analysis/ environmental models/ quality control/ Arizona/ California/ Colorado/ Idaho/ Montana/ New Mexico/ Oregon/ South Dakota/ Utah/ Washington/ Wyoming/ Western United States/ United States/
Date: 2000-12-00
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07. | Title: Ambient water quality criteria recommendations: information supporting the development of state and tribal nutrient criteria: rivers and streams in nutrient ecoregion III
Author(s): U.S. Environmental Protection Agency, Office of Water
Publisher: U.S. Environmental Protection Agency
Resource Availability: No Guarantee
NAL Subject: water quality criteria/ water quality standards/ environmental policy/ laws and regulations/ Clean Water Act/ rivers/ streams/ nutrient enrichment/ nitrogen/ phosphorus/ chlorophyll/ turbidity/ ecosystems/ geomorphology/ deserts/ data collection/ sampling/ statistical analysis/ environmental models/ quality control/ Arizona/ California/ Colorado/ Idaho/ Montana/ Nevada/ New Mexico/ Oregon/ Texas/ Utah/ Washington/ Wyoming/ Western United States/ United States/
Date: 2000-12-00
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08. | Title: Ambient water quality criteria recommendations: information supporting the development of state and tribal nutrient criteria: rivers and streams in nutrient ecoregion IV
Author(s): U.S. Environmental Protection Agency, Office of Water
Publisher: U.S. Environmental Protection Agency
Resource Availability: No Guarantee
NAL Subject: water quality criteria/ water quality standards/ environmental policy/ laws and regulations/ Clean Water Act/ rivers/ streams/ nutrient enrichment/ nitrogen/ phosphorus/ chlorophyll/ turbidity/ ecosystems/ geomorphology/ grasslands/ shrublands/ rangelands/ data collection/ sampling/ statistical analysis/ environmental models/ quality control/ Colorado/ Kansas/ Montana/ Nebraska/ North Dakota/ New Mexico/ Oklahoma/ Texas/ Wyoming/ Western United States/ Midwestern United States/ Great Plains region/ United States/
Date: 2001-12-00
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09. | Title: Ambient water quality criteria recommendations: information supporting the development of state and tribal nutrient criteria: rivers and streams in nutrient ecoregion V
Author(s): U.S. Environmental Protection Agency, Office of Water
Publisher: U.S. Environmental Protection Agency
Resource Availability: No Guarantee
NAL Subject: water quality criteria/ water quality standards/ environmental policy/ laws and regulations/ Clean Water Act/ rivers/ streams/ nutrient enrichment/ nitrogen/ phosphorus/ chlorophyll/ turbidity/ ecosystems/ geomorphology/ agricultural land/ prairies/ data collection/ sampling/ statistical analysis/ environmental models/ quality control/ Colorado/ Kansas/ Montana/ Nebraska/ North Dakota/ New Mexico/ Oklahoma/ South Dakota/ Texas/ Wyoming/ Western United States/ Great Plains region/ Midwestern United States/ United States/
Date: 2001-12-00
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10. | Title: Ambient water quality criteria recommendations: information supporting the development of state and tribal nutrient criteria: rivers and streams in nutrient ecoregion X
Author(s): U.S. Environmental Protection Agency, Office of Water
Publisher: U.S. Environmental Protection Agency
Resource Availability: No Guarantee
NAL Subject: water quality criteria/ water quality standards/ environmental policy/ laws and regulations/ Clean Water Act/ rivers/ streams/ nutrient enrichment/ nitrogen/ phosphorus/ chlorophyll/ turbidity/ ecosystems/ geomorphology/ coastal plains/ alluvial soils/ floodplains/ data collection/ sampling/ statistical analysis/ environmental models/ quality control/ Arkansas/ Illinois/ Kentucky/ Louisiana/ Mississippi/ Missouri/ Tennessee/ Texas/ Midwestern United States/ Southeastern United States/ Gulf of Mexico region/ Mississippi River/ United States/
Date: 2001-12-00
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11. | Title: Characterization of Hypoxia
Author(s): Rabalais, N.; Turner, R. E.; Justic, D.; Dortch, Q.; Wiseman, W. J.
Publisher: National Oceanic and Atmospheric Administration (NOAA)
Resource Availability: No Guarantee
NAL Subject: hypoxia/ nutrient enrichment/ eutrophication/ water pollution/ environmental assessment/ publications/ information sources/ environmental law/ citizen participation/ estuaries/ Mississippi River/ Gulf of Mexico/
Date: 1999-00-00
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12. | Title: Comparative Analysis of Hydrologic Responses of Tropical Deciduous and Temperate Deciduous Watershed Ecosystems to Climatic Change
Author(s): Vose, J. M.; Maass, J. M.
Publisher: U.S. Department of Agriculture
Resource Availability: No Guarantee
NAL Subject: watershed hydrology/ ecosystems/ hydrologic factors/ hydrologic models/ simulation models/ evapotranspiration/ stream flow/ climate change/ ambient temperature/ carbon dioxide/ elevated atmospheric gases/ species diversity/ precipitation/ Mexico/ Southeastern United States/
Date: 1999-00-00
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13. | Title: Discharge of Herbicides From the Mississippi River Basin to the Gulf of Mexico, 1991-97
Author(s): Clark, G. M.; Goolsby, D. A.
Publisher: U. S. Department of the Interior, U. S. Geological Survey
Resource Availability: No Guarantee
NAL Subject: herbicides/ water pollution/ pollution load/ seasonal variation/ nonpoint source pollution/ sampling/ rivers/ Louisiana/ Mississippi River/ Gulf of Mexico/
Date: 1999-04-00
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14. | Title: Divining Rod
Author(s): New Mexico Water Resources Research Institute
Publisher: New Mexico State University
Resource Availability: No Guarantee
NAL Subject: water resources/ water policy/ water management/ public finance/ citizen participation/ information sources/ wetlands/ lakes/ rivers/ water pollution/ water quality/ invasive species/ land use/ aquatic organisms/ research projects/ education programs/ watershed management/ New Mexico/
Date: 1998-03-00
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15. | Title: Ecological Condition of Estuaries in the Gulf of Mexico
Publisher: U. S. Environmental Protection Agency
Resource Availability: No Guarantee
NAL Subject: estuaries/ wetlands/ coasts/ ecosystems/ land use/ hydrology/ water quality/ eutrophication/ nutrient enrichment/ hypoxia/ algal blooms/ chlorophyll/ sediment contamination/ submerged aquatic plants/ aquatic habitat/ benthic organisms/ aquatic organisms/ fisheries/ water birds/ endangered species/ threatened species/ environmental assessment/ bioindicators/ environmental factors/ public health/ environmental monitoring/ data analysis/governmental programs and projects/ Gulf of Mexico region/ Florida/ Alabama/ Mississippi/ Louisiana/Texas/ Mexico/
Date: 1999-07-00
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16. | Title: Effect of Stream Channel Size on the Delivery of Nitrogen to the Gulf of Mexico
Author(s): Alexander, R.; Smith, R.; Schwarz, G.
Publisher: U. S. Department of the Interior, U. S. Geological Survey
Resource Availability: No Guarantee
NAL Subject: nitrogen/ biogeochemical cycles/ stream channels/ geomorphology/ stream flow/ statistical analysis/ nonpoint source pollution/ sampling/ Mississippi Delta region/ Gulf of Mexico region/ Mississippi River/
Date: 2000-02-17
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17. | Title: Efficient Water Use
Author(s): UNESCO, International Hydrological Programme; ROSTLAC
Publisher: United Nations Educational, Scientific and Cultural Organization (UNESCO)
Resource Availability: No Guarantee
NAL Subject: water use efficiency/ water conservation/ public water supply/ water quality/ water rights/ water policy/ land use/ irrigation management/ urban areas/ agricultural land/ watersheds/ drought/ groundwater/ reservoirs/ Latin America/ Mexico/
Date: 1994-00-00
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18. | Title: Environmental Hazard of Selenium in the Animas La Plata Wate Development Project
Author(s): Lemly, A. D.
Publisher: U. S. Department of Agriculture
Resource Availability: No Guarantee
NAL Subject: selenium/ water pollution/ risk assessment/ aquatic organisms/ irrigation water/ Colorado/ New Mexico/
Date: 1997-00-00
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19. | Title: Evaluation of Conservation Policies for Reducing Nitrogen Loads to the Mississippi River and Gulf of Mexico
Author(s): Tanaka, K.; Wu, J.
Publisher: University of Minnesota
Resource Availability: No Guarantee
NAL Subject: Soil and Water Assessment Tool model/ conservation practices/ Conservation Reserve Program/ crop rotation/ conservation tillage/ land retirement/ land use change/ nitrate nitrogen/ water pollution/ water quality/ economic analysis/
Date: 2004-08-04
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20. | Title: Evaluation of Economic Costs and Benefits of Methods for Reducing Nutrient Loads to the Gulf of Mexico: Topic 6 Report for the Integrated Assessment on Hypoxia in the Gulf of Mexico
Author(s): Doering, O. C.; Diaz-Hermelo, F.; Howard, C.; Heimlich, R.; Hitzhusen, F.; Kazmierczak, R.; Lee, J.; Libby, L.; Milon, W.; Prato, T.; Ribaudo, M.
Publisher: National Oceanic and Atmospheric Administration (NOAA)
Resource Availability: No Guarantee
NAL Subject: cost benefit analysis/ cost effectiveness/ policy analysis/ hypoxia/ nutrient enrichment/ eutrophication/ nitrogen/ nonpoint source pollution/ agricultural runoff/ pollution control/ environmental models/ estuaries/ Mississippi River/ Gulf of Mexico/
Date: 1999-04-15
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