Search Results for the EPA National Library Catalog

Items Found: 334
Showing: Items 201 - 250
Your Search: (SUBJECT=Primary Biological productivity)


 
 
 
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Select Item Title Year Published
Proceedings : biostimulation - nutrient assessment workshop / 1975
Production and release of plant material in brackish and freshwater wetlands / 1981
Production cycles in aquatic microcosms / 1977
Production in coastal salt marshes of southern California / 1981
Publications Related to Water Resources Research Center Projects, 1967-71. Abstracts--Index. 1971
Rabbit Lake, Crow Wing County, Minnesota. 1975
Rangeley Lake, Franklin County, Maine. 1974
Rates of Photosynthesis and Phytoplankton Growth in Shagawa Lake, Minnesota. 1973
Relationship of Methoxychlor to Periphyton Production under Laboratory and Semi-Natural Conditions. 1973
Relationships of productivity and problem conditions to ambient nutrients : National Eutrophication Survey findings for 418 Eastern lakes / 1978
Rend Lake, Franklin and Jefferson Counties, Illinois. 1975
Report on Altoona Reservoir, Bartow, Cherokee and Cobb Counties, Georgia : EPA Region IV / 1975
Report on Aspinook Pond, New London and Windham Counties, Connecticut : EPA Region I / 1975
Report on Bantam Lake, Litchfield County, Connecticut : EPA Region I / 1975
Report on Belleville Lake, Wayne County, Michigan : EPA Region V / 1975
Report on Blanchard Reservoir, Centre County, Pennsylvania : EPA Region III / 1975
Report on Blue Ridge Lake, Fannin County, Georgia : EPA Region IV / 1975
Report on Bluestone Reservoir, Mercer, Monroe, and Summers Counties, West Virginia ; and Giles County, Virginia : EPA Region III / 1975
Report on Clark Hill Reservoir, Columbia, Elbert, Lincoln, McDuffie, and Wilks Counties, Georgia [and] Abbeville and McCormick Counties, South Carolina : EPA Region IV / 1976
Report on Claytor Lake, Pulaski County, Virginia : EPA Region III / 1975
Report on Community Lake, New Haven County, Connecticut : EPA Region I / 1975
Report on Conesus Lake, Livingston County, New York / 1974
Report on Conewago (Pinchot) Lake, York County, Pennsylvania : EPA Region III / 1975
Report on Conneaut Lake, Crawford County, Pennsylvania : EPA Region III / 1975
Report on Crystal Lake, Montcalm County, Michigan : EPA Region V / 1975
Report on Eagleville Lake, Tolland County, Connecticut : EPA Region I / 1975
Report on Flaming Gorge Reservoir, Sweetwater County, Wyoming, [and] Daggett County, Utah : EPA Region VIII / 1977
Report on Ford Lake, Washtenaw County, Michigan : EPA Region V / 1975
Report on Gantt Lake, Covington County, Alabama : EPA Region IV / 1976
Report on Hanover Pond, New Haven County, Connecticut : EPA Region I / 1975
Report on Harveys Lake, Luzerne County, Pennsylvania : EPA Region III / 1975
Report on Heron Lake, Jackson County, Minnesota. EPA Region V. 1974
Report on Higgins Lake, Roscommon County, Michigan : EPA Region V / 1975
Report on High Falls Pond, Butts, Lamar and Monroe Counties, Georgia : EPA Region IV / 1975
Report on Holloway Reservoir, Genesee and Lapeer Counties, Michigan : EPA Region V / 1975
Report on Hugh Butler Reservoir, Frontier and Red Willow Counties, Nebraska : EPA Region VII / 1976
Report on Jackson Lake, Butts, Jasper and Newton Counties, Georgia : EPA Region IV / 1975
Report on John W. Flannagan Reservoir, Dickenson County, Virginia : EPA Region III / 1975
Report on Kent Lake, Oakland and Livingston Counties, Michigan : EPA Region V / 1975
Report on Keuka Lake, Yates and Steuben Counties, New York / 1974
Report on Killen Pond, Kent County, Delaware : EPA Region III / 1975
Report on Lake Blackshear, Crisp, Dooly, Lee, Sumpter and Worth Counties, Georgia : EPA Region IV / 1975
Report on Lake Canadohta, Crawford County, Pennsylvania : EPA Region III / 1975
Report on Lake Charlevoix, Charlevoix County, Michigan : EPA Region V / 1975
Report on Lake Chemung, Livingston County, Michigan : EPA Region V / 1975
Report on Lake Chesdin, Amelia, Chesterfield, and Dinwiddie Counties, Virginia : EPA Region III / 1975
Report on Lake Eloise, Polk County, Florida : EPA Region IV / 1977
Report on Lake Harding, Harris County, Georgia, and Chambers and Lee Counties, Alabama : EPA Region IV / 1975
Report on Lake Macatawa, Ottawa County, Michigan : EPA Region V / 1975
Report on Lake Ontelaunee, Berks County, Pennsylvania : EPA Region III / 1975
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