Search Results for the EPA National Library Catalog

Items Found: 150
Showing: Items 51 - 100
Your Search: (SUBJECT=Trophic level)

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Select Item	Title	Year Published
51	Effects of diversion and alum application on two eutrophic lakes /	1978
52	Evaluation of an index of biotic integrity : temporal variability and regional application in the midwest /	1984
53	Evaluation of the algal assay procedure /	1976
54	Generalized Water Quality Model for Eutrophic Lakes and Reservoirs.	1974
55	Green Mountain Reservoir - Lower Blue River Study, Colorado, September, 1976.	1977
56	Greer's Ferry Reservoir, Van Buren and Cleburne Counties, Arkansas.	1977
57	Habitat Requirements for Chesapeake Bay Living Resources. Chesapeake Bay Program Agreement Commitment Report.	1988
58	Impact of Broadly Applied Effluent Phosphorus Standards on Eutrophication Control.	1978
59	Importance of Trophic Transfer in the Bioaccumulation of Chemical Contaminants in Aquatic Ecosystems.	1984
60	Influence of advanced wastewater treatment on the fishery resource of Shagawa Lake, Minnesota /	1980
61	Lake and reservoir classification systems /	1979
62	Lake classification : a trophic characterization of Wisconsin lakes /	1975
63	Lake drawdown as a method of improving water quality /	1977
64	Lake LaMoure, LaMoure County, North Dakota.	1976
65	Lake MacBride, Johnson County, Iowa.	1976
66	Lake Madison, Lake County, South Dakota.	1977
67	Lake Michigan Water Quality Report 1992-1993.	1997
68	Lake Mitchell, Davison County, South Dakota.	1977
69	Lake Phosphorus Loading Graphs: An Alternative.	1975
70	Limnological Comparison of Culturally Eutrophic Shagawa Lake and Adjacent Oligotrophic Burntside Lake, Minnesota.	1975
71	Limnology of Michigan's nearshore waters of Lakes Superior and Huron /	1980
72	Millwood Reservoir, Hempstead, Howard, Little River, and Sevier Counties, Arkansas.	1977
73	Modifications of models predicting trophic state of lakes : adjustment of models to account for the biological manifestations of nutrients /	1981
74	National strategy for the development of regional nutrient criteria	1998
75	National water quality inventory : 1990 report to the Congress.	1992
76	Nitrogen Loading Sources and Eutrophication of the Neuse River Estuary, North Carolina: Direct and Indirect Roles of Atmospheric Deposition.	1995
77	North American project--a study of U.S. water bodies : a report for the Organization for Economic Cooperation and Development /	1977
78	North Waubay Lake, Day County, South Dakota.	1976
79	Nutrient diversion : resulting lake trophic state and phosphorus dynamics /	1977
80	Phosphorus Retention Capacity of Lakes.	1976
81	Phytoplankton and Zooplankton in Lakes Erie, Huron and Michigan: 1984. Volume 1. Interpretive Report.	1987
82	Production cycles in aquatic microcosms /	1977
83	Regional Application of an Index of Biotic Integrity Based on Stream Fish Communities.	1984
84	Relationships of Phosphorus and Nitrogen to the Trophic State of Northeast and North-Central Lakes and Reservoirs.	1974
85	Report on Bear Lake, Rich County, Utah, and Bear lake County, Idaho : EPA Region X /	1977
86	Report on Boysen Reservoir, Fremont County, Wyoming : EPA Region VIII / [U.S. Environmental Protection Agency, National Eutrophication Survey] /	1977
87	Report on Grand Lake, Chicot County, Arkansas : EPA Region VI /	1977
88	Report on Greer's Ferry Reservoir, Van Buren and Cleburne Counties, Arkansas : EPA Region VI /	1977
89	Report on Hells Canyon Reservoir, Baker and Wallowa Counties, Oregon [and] Adams and Idaho Counties, Idaho : EPA Region X /	1978
90	Report on Johnson Reservoir, Dawson and Gosper Counties, Nebraska : EPA Region VII /	1976
91	Report on Lake Bastrop, Bastrop County, Texas : EPA Region VI /	1977
92	Report on Lake Effie, Polk County, Florida : EPA Region IV /	1977
93	Report on Lake Meredith, Hutchinson, Moore, and Potter Counties, Texas.	1977
94	Report on Lakes Ouachita, Hamilton, and Catherine, Montgomery, Garland, and Hot Springs Counties, Arkansas : EPA Region VI /	1977
95	Report on Nimrod Lake, Perry and Yell Counties, Arkansas : EPA Region VI /	1977
96	Report on Ocean Lake, Fremont County, Wyoming : EPA Region VIII /	1977
97	Report on Payette Lake, Valley County, Idaho : EPA Region X /	1977
98	Report on Sherman Reservoir, Sherman County, Nebraska : EPA Region VII /	1976
99	Report on Viva Naughton Reservoir, Lincoln County, Wyoming : EPA Region VIII / [U.S. Environmental Protection Agency, National Eutrophication Survey] /	1977
100	Restoration of lower St. Regis Lake (Franklin County, New York) /	1977

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