Search Results for the EPA National Library Catalog

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Select Item	Title	Year Published
1	Acid soil and acid rain the impact on the environment of nitrogen and sulphur cycling /	1986
2	Agriculture and the nitrogen cycle : assessing the impacts of fertilizer use on food production and the environment /	2004
3	Air quality criteria for oxides of nitrogen /	1991
4	Air quality criteria for oxides of nitrogen : final report.	1982
5	Air quality criteria for oxides of nitrogen. Volume 2. /	1991
6	Animo Acid Composition of Suspended Particles, Sediment-Trap Material, and Benthic Sediment in the Potomac Estuary.	1993
7	Atmospheric nitrogen deposition loadings to the Chesapeake Bay : an initial analysis of the cost effectiveness of control options /	1996
8	Basic Research in the Aquatic Environment: Effects of Eutrophication on Phytoplankton Populations and Selected Species of Aquatic Vascular Plants.	1973
9	Baywide Nutrient Cycling (Denitrification) Monitoring Program-In situ loggers : progress report no. 38 (October-December 2011) /	2012
10	Biogeochemical cycling of carbon, nitrogen, and phosphorus in saltwater marshes of Lavaca Bay, Texas.	1975
11	Biology of the nitrogen cycle	2007
12	Carbon nitrogen sulfur : human interference in grand biospheric cycles	1985
13	Denitrification as affected by irrigation frequency of a field soil /	1980
14	Descriptive Basis for a Model of Soils Biogeochemistry (Chapter 12).	1994
15	Dynamics of the nitrogen cycle in lakes	1970
16	Dynamics of the Nitrogen Cycle in Lakes.	1970
17	Ecology of the nitrogen cycle	1987
18	Ecosystem stress from chronic exposure to low levels of nitrate /	2005
19	Effect of Unlined Treated Sewage Storage Ponds on Water Quality in the Ogallala Formation.	1971
20	Emission rates for biogenic NOx	1978
21	Environmental Control of Nitrogen Fixation in Lakes: I. In situ Nitrogen Fixation by Free Living Blue-Green Algae. II. Nitrogen Fixation by the Duck-Weed-Algal Association.	1974
22	Evaluation of pollution control processes : Upper Thompson Sanitation District /	1980
23	Experimental Inducement of Nitrogen Saturation at the Watershed Scale.	1993
24	Factors influencing the redistribution of nitrogen by cattle /	1980
25	Fate of Nitrogen in Aquatic Ecosystems.	1972
26	Feasibility of overland flow for treatment of raw domestic wastewater /	1974
27	Feasibility of overland-flow treatment of feedlot runoff /	1974
28	Field measurement of denitrification /	1977
29	Function of Marshes in Reducing Eutrophication of Estuaries of the Middle Atlantic Region.	1974
30	Human alteration of the global nitrogen cycle : causes and consequences /	1997
31	Hydrology and cycling of nitrogen and phosphorus in Little Bean Marsh : a remnant riparian wetland along the Missouri River in Platte County, Missouri, 1996-97 /	2004
32	Interactive Effects of O3 and CO2: Implications for Terrestrial Ecosystems.	1997
33	Kinetics of Algal Systems in Waste Treatment. Light Intensity and Nitrogen Concentration as Growth-Limiting Factors.	1968
34	Modeling dynamics of biological and chemical components of aquatic ecosystems /	1975
35	Modeling nitrogen cycling and export in forested watersheds using HSPF	1996
36	Nitrogen Budget of a North Carolina Estuary.	1974
37	Nitrogen cycle in surface and subsurface waters : technical completion report /	1968
38	Nitrogen cycling and assimilative capacity of nitrogen and phosphorus by riverine wetland forests	1981
39	Nitrogen cycling and phytoplankton growth in the Neuse River, North Carolina	1983
40	Nitrogen cycling dynamics in agricultural fields fertilized with liquid swine waste-- microbial nitrification and denitrification	2004
41	Nitrogen cycling in coastal marine environments /	1988
42	Nitrogen cycling in microcosms and application to the biology of the northern arm of the Great Salt Lake	1976
43	Nitrogen cycling in the Americas : natural and anthropogenic influences and controls /	2006
44	Nitrogen cycling in the North Atlantic Ocean and its watersheds /	1996
45	Nitrogen dynamics in forested watersheds of the Chesapeake Bay : 17-19 June 1997, Frostburg, MD /	1997
46	Nitrogen in the environment : sources, impacts, management /	1993
47	Nitrogen in the marine environment /	1983
48	Nitrogen isotope techniques	1992
49	Nitrogen oxides : impacts on public health and the environment /	1997
50	Nitrogen recycling in the Chowan River	1976

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