Search Results for the EPA National Library Catalog

Items Found: 334
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Your Search: (SUBJECT=Primary Biological productivity)

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Select Item Title Year Published
'Cladophora' as Related to Pollution and Eutrophication in Western Lake Erie. 1973
A paleolimnological comparison of Burntside and Shagawa Lakes, Northeastern Minnesota / 1978
Above- and Belowground Emergent Macrophyte Production and Turnover in a Coastal Marsh Ecosystem, Georgia. 1984
Albert Lea Lake, Freeborn County, Minnesota. 1974
Algae-Temperature-Nutrient Relationships and Distribution in Lake Erie - 1968. 1971
Algal Growth and Decomposition: Effects on Water Quality, Phase II. Nutrient Regeneration, Composition, and Decomposition of Algae in Batch Culture. 1970
Algal metabolite influence on bloom sequence in eutrophied freshwater ponds / 1976
Allegheny Reservoir, McKean and Warren Counties, Pennsylvania and Cattaraugus County, New York. 1975
Altoona Lake, Eau Claire County, Wisconsin. 1974
Annual Nutrient Cycles in a Marine Microcosm. 1982
Annual Phytoplankton Metabolism in Narragansett Bay Calculated from Survey Field Measurements and Microcosm Oberservations. 1982
Appendix to Entrainment at a Once-Through Cooling System on Western Lake Erie. Volume II. Appendices. 1978
Arrowhead Mountain Lake Chittenden and Franklin Counties Vermont. 1974
Badger Lake, Polk County, Minnesota. 1974
Barren River Reservoir, Allen and Barren Counties, Kentucky. 1977
Bartlett Lake, Koochiching County, Minnesota. 1974
Bay of Naples and Sebago Lake, Cumberland County, Maine. 1974
Beach City Reservoir, Stark, and Tuscarawas Counties, Ohio. 1975
Bear Lake, Freeborn County, Minnesota. 1975
Berlin Reservoir, Mahoning, Portage, and Stark Counties, Ohio. 1975
Big Creek Reservoir, Polk County, Iowa. 1976
Big Eau Pleine Reservoir, Marathon County, Wisconsin. 1974
Biological Effects of Wastes Discharged to the North Platte River, Torrington, Wyoming-Bridgeport, Nebraska November 14 and 15, 1962. 1962
Biological Investigations of Lake Wingra. 1973
Biological Investigations of Tuttle Creek Reservoir - Kansas. 1969
Biological Models of Freshwater Communities. 1973
Biological Survey of Harlan County Reservoir - Nebraska, August 1969. 1970
Biological Survey of Milford Reservoir, Kansas, August 1969. 1971
Biological Survey of Wilson Reservoir - Saline River, Kansas, August 1970. 1971
Biological, chemical and physical relationships in the Straits of Mackinac / 1976
Biostimulation Characteristics of Wastes and Receiving Waters of the Snake River Basin. 1974
Birch Lake, Cass County, Minnesota. 1975
Black Hawk Lake, Sac County, Iowa. 1976
Blackduck Lake, Beltrami County, Minnesota. 1974
Blackhoof Lake, Crow Wing County, Minnesota. 1974
Browns Ferry biothermal research series / 1978
Browns Ferry Biothermal Research Series. II. Effects of Temperature on Bluegill and Walleye, and Periphyton, Macroinvertebrate, and Zooplankton Communities in Experimental Ecosystems. 1979
Budd Lake, Martin County, Minnesota. 1974
Buffalo Lake, Wright County, Minnesota. 1974
Butternut Lake, Ashland and Price Counties, Wisconsin. 1974
Canandaigua Lake, Ontario and Yates Counties, New York. 1974
Cannonsville Reservoir, Delaware County, New York. 1974
Carry Falls Reservoir, St. Lawrence County, New York. 1974
Cass Lake, Beltrami and Cass Counties, Minnesota. 1974
Cayuga Lake, Cayuga, Seneca, and Tompkins Counties, New York. 1974
Characteristics of nonpoint source urban runoff and its effects on stream ecosystems / 1980
Chautauqua Lake, Chautauqua County, New York. 1974
Chesapeake Bay : introduction to an ecosystem. 1982
Chesapeake Bay program technical studies : a synthesis / 1982
Clearwater Lake, Wright and Stearns Counties, Minnesota. 1974
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