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Search Results for the EPA National Library Catalog
Items Found: 150
Showing: Items 101 - 150
Your Search: (SUBJECT=Trophic level)
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Title
Year Published
101
Rock Creek Lake, Jasper County, Iowa.
1976
102
Screening Level Probabilistic Ecological Risk Assessment of Copper and Cadmium in the Chesapeake Bay Watershed.
1997
103
Stable Isotope Ratios and Contaminant Concentrations in a Sewage: Distorted Food Web.
1989
104
Summary analysis of the North American (US portion) OECD eutrophication project : nutrient loading--lake response relationships and trophic state indices /
1978
105
Summer total phosphorus in lakes : a map of Minnesota, Wisconsin, and Michigan, USA /
1988
106
Summer total phosphorus in lakes in Minnesota, Wisconsin, and Michigan /
1988
107
Swanson Reservoir, Hitchcock County, Nebraska.
1976
108
The impact of inorganic phosphates in the environment : final report /
1978
109
The trophic status and phosphorus loadings of Lake Champlain /
1977
110
Trophic classification of lakes using LANDSAT-1 (ERTS-1) multispectral scanner data /
1976
111
Trophic classification of selected Illinois water bodies : lake classification through amalgamation of LANDSAT multispectral scanner and contact-sensed data /
1979
112
Trophic equilibrium of Lake Washington /
1977
113
Trophic structure modifications by planktivorous fish in aquatic microcosms /
1977
114
Understanding the estuary : advances in Chesapeake Bay research /
1988
115
Volunteer Lake Monitoring Program, 1984. Volume 2. Northwestern Illinois Region.
1985
116
Volunteer Lake Monitoring Program, 1984. Volume 3. Northeastern Illinois Region.
1985
117
Volunteer Lake Monitoring Program, 1984. Volume 4. West-Central Illinois Region.
1985
118
Volunteer Lake Monitoring Program, 1984. Volume 5. East-Central Illinois Region.
1985
119
Volunteer Lake Monitoring Program, 1984. Volume 6. Southwestern Illinois Region.
1985
120
Volunteer Lake Monitoring Program, 1984. Volume 7. Southern Illinois Region.
1985
121
Volunteer Lake Monitoring Program, 1985. Volume 1. Statewide Summary Report.
1986
122
Volunteer Lake Monitoring Program, 1985. Volume 2. Northwestern Illinois Region.
1986
123
Volunteer Lake Monitoring Program, 1985. Volume 4. West-Central Illinois Region.
1986
124
Volunteer Lake Monitoring Program, 1985. Volume 5. East-Central Illinois Region.
1986
125
Volunteer Lake Monitoring Program, 1985. Volume 6. Southwestern Illinois Region.
1986
126
Volunteer Lake Monitoring Program, 1985. Volume 7. Southern Illinois Region.
1986
127
Volunteer Lake Monitoring Program, 1986. Volume 7. Southern Illinois Region.
1987
128
Volunteer Lake Monitoring Program, 1987. Volume 1. Statewide Summary Report.
1988
129
Volunteer Lake Monitoring Program, 1987. Volume 2. Northwestern Illinois Region.
1988
130
Volunteer Lake Monitoring Program, 1987. Volume 3. Northeastern Illinois Region.
1988
131
Volunteer Lake Monitoring Program, 1987. Volume 4: West-Central Illinois Region.
1988
132
Volunteer Lake Monitoring Program, 1987. Volume 5: East-Central Illinois Region.
1988
133
Volunteer Lake Monitoring Program, 1987. Volume 7. Southern Illinois Region.
1988
134
Volunteer Lake Monitoring Program, 1988. Volume 3. Northeastern Illinois Region.
1989
135
Volunteer Lake Monitoring Program, 1988. Volume 4. West-Central Illinois Region.
1989
136
Volunteer Lake Monitoring Program, 1988. Volume 5: East-Central Illinois Region.
1989
137
Volunteer Lake Monitoring Program, 1989. Volume 1. Statewide Summary.
1990
138
Volunteer Lake Monitoring Program, 1989. Volume 2. Northwestern Illinois Region.
1990
139
Volunteer Lake Monitoring Program, 1989. Volume 4. West-Central Illinois Region.
1990
140
Volunteer Lake Monitoring Program, 1989. Volume 5. East-Central Illinois Region.
1990
141
Volunteer Lake Monitoring Program, 1991. Volume 7. Southern Region.
1991
142
Volunteer Lake Monitoring Program, 1992. Volume 1: Statewide Summary.
1993
143
Volunteer Lake Monitoring Program, 1992. Volume 2: Northwestern Illinois Region.
1993
144
Volunteer Lake Monitoring Program, 1992. Volume 4. West Central Illinois Region.
1993
145
Volunteer Lake Monitoring Program. Volume 1. Statewide Summary Report 1984.
1985
146
Volunteer Lake Monitoring, 1981.
1982
147
Volunteer Lake Monitoring, 1986. Volume 1. Statewide Summary Report.
1987
148
Water quality criteria research of the U.S. Environmental Protection Agency : proceedings of an EPA-sponsored Symposium on Marine, Estuarine and Fresh Water Quality, presented at the 26th annual meeting of the AIBS, August 1975 /
1976
149
Water quality study : Grand Lake, Shadow Mountain Lake, Lake Granby, Colorado, 1974.
1977
150
Watershed and point source enrichment and lake trophic state index /
1979
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