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Search Results for the EPA National Library Catalog
Items Found: 334
Showing: Items 251 - 300
Your Search: (SUBJECT=Primary biological productivity)
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Title
Year Published
251
Report on Leech Lake, Cass County, Minnesota. EPA Region V.
1974
252
Report on Long Lake, Lake County, Illinois : EPA Region V /
1975
253
Report on Long Lake, St. Joseph County, Michigan : EPA Region V /
1975
254
Report on Lower St. Regis Lake, Franklin County, New York /
1974
255
Report on Mattawamkeag Lake, Aroostook County, Maine. EPA Region I.
1974
256
Report on Mona Lake, Muskegon County, Michigan : EPA Region V /
1975
257
Report on Moores Lake, Kent County, Delaware : EPA Region III /
1975
258
Report on Nottely Reservoir, Union County, Georgia : EPA Region IV /
1975
259
Report on Noxontown Pond, New Castle County, Delaware : EPA Region III /
1975
260
Report on Occoquan Reservoir, Fairfax County, Virginia : EPA Region III /
1975
261
Report on Pere Marquette Lake, Mason County, Michigan : EPA Region V /
1975
262
Report on Sanford Lake, Midland County, Michigan : EPA Region V /
1975
263
Report on Silver Lake, New Castle County, Delaware : EPA Region III /
1975
264
Report on Sinclair Lake, Baldwin, Hancock, and Putnam Counties, Georgia : EPA Region IV /
1975
265
Report on Swinging Bridge Reservoir, Sullivan County, New York : EPA Region II /
1974
266
Report on Thompson Lake, Livingston County, Michigan : EPA Region V /
1975
267
Report on Williams Pond, Sussex County, Delaware : EPA Region III /
1975
268
Respiration of Aquatic Macrophytes in Eutrophic Ecosystems.
1971
269
Response of a salt marsh to oil spill and cleanup : biotic and erosional effects in the Hackensack Meadowlands, New Jersey /
1978
270
Response of Estuarine Diatom Assemblages to Ultraviolet-B Radiation (290-320 nm).
1985
271
Rock Lake, Jefferson County, Wisconsin.
1974
272
Role of Aquatic Vascular Plants in the Eutrophication of Selected Lakes in Western Massachusetts.
1967
273
Role of Organic Debris and Associated Micro-Organisms in Pelagic Estuarine Food Chains.
1973
274
Role of Sediments in Eutrophication - A Preliminary Study.
1972
275
Rome Pond, Jefferson County, Wisconsin.
1974
276
Round Lake, Saratoga County, New York.
1974
277
Sacandaga Reservoir, Fulton and Saratoga Counties, New York.
1974
278
Saginaw Bay: An Evaluation of Existing and Historical Conditions.
1974
279
Santeetlah Lake, Graham County, North Carolina.
1975
280
Saratoga Lake, Saratoga County, New York.
1974
281
Schroon Lake, Essex and Warren Counties, New York.
1974
282
Seasonal Changes in Water Quality and Primary Productivity in Doe Valley Lake.
1974
283
Seasonal fluctuations of major diatom species at five stations across Lake Michigan : May 1970-October 1972 /
1980
284
Sebasticook Lake, Penobscot County, Maine.
1974
285
Seneca Lake, Schuyler County, New York.
1974
286
Shawano Lake, Shawano County, Wisconsin.
1974
287
Shelbyville Reservoir, Moultrie and Shelby Counties, Illinois.
1975
288
Shenango River Reservoir, Mercer County, Pennsylvania. EPA Region III.
1975
289
Significance of Cellulose Production by Planktonic Algae in Lacustrine Environments.
1972
290
Sinissippi Lake, Dodge County, Wisconsin.
1974
291
Six Mile Lake, St. Louis County, Minnesota.
1974
292
Slatersville Reservoirs, Providence County, Rhode Island.
1974
293
Spring Lake, Washington and Dakota Counties, Minnesota.
1975
294
St. Louis Bay, St. Louis County, Minnesota, and Douglas County, Wisconsin.
1975
295
Statement of Concerns and Suggested Ecological Research.
1975
296
Streamside Effect in a 'Carex lyngbyei' Estuarine Marsh: The Possible Role of Recoverable Underground Reserves.
1981
297
Structural and Functional Aspects of the Ecology of Submerged Aquatic Macrophyte Communities in the Lower Chesapeake Bay. Volume 1. Studies on Structure and Function of a Temperate, Estuarine Seagrass Community: Vaucluse Shores, Lower Chesapeake Bay, Virginia, USA.
1982
298
Structural and Functional Aspects of the Ecology of Submerged Aquatic Macrophyte Communities in the Lower Chesapeake Bay. Volume 2: Submarine Light Quantity and Quality in the Lower Chesapeake Bay and Its Potential Role in the Ecology of Submerged Seagrass Communities.
1982
299
Structure and Function of Copper-Stressed Aquatic Microcosms.
1984
300
Studies of circulation and primary production in deep inlet environments /
1977
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