Jump to main content
US EPA
United States Environmental Protection Agency
Search
Search
Environmental Topics
Laws & Regulations
About EPA
Menu
Environmental Topics
Laws & Regulations
About EPA
Related Topics:
EPA National Library Network
Contact Us
Search Results for the EPA National Library Catalog
Items Found: 334
Showing: Items 301 - 334
Your Search: (SUBJECT=Primary Biological productivity)
Sort Results:
Publication dates (newest-oldest)
Publication dates (oldest-newest)
Title
Choose a Library:
(CTRL-CLICK for multiple libraries)
Search all libraries
Capital Group(All DC-area libraries)
AWBERC Library/Cincinnati,OH
CCTE/GLTED Library/Duluth,MN
CEMM/ACESD Library/Narragansett,RI
CEMM/EPD Library/Athens,GA
CEMM/GEMMD Library/Gulf Breeze,FL
CPHEA/PESD Library/Corvallis,OR
Env Science Center Library/Ft Meade,MD
Headquarters Library/Washington,DC
Law Library/Washington,DC
NRMRL/GWERD Library/Ada,OK
NVFEL Library/Ann Arbor, MI
OCSPP Chemical Library/Washington,DC
Region 1 Library/Boston,MA
Region 2 Library/New York,NY
Region 3 Library/Philadelphia, PA
Region 4 Library/Atlanta,GA
Region 5 Library/Chicago,IL
Region 6 Library/Dallas,TX
Region 8 Technical Library/Denver,CO
Region 9 Library/San Francisco,CA
Region 10 Library/Seattle,WA
Research Triangle Park Library/RTP, NC
Choose a Collection:
(CTRL-CLICK for multiple collections)
Search all collections
books
documents
journals
reference
audiovisual
ebooks
PREV
1
2
3
4
5
6
7
Select Item
Title
Year Published
301
Study of Phytoplankton Dynamics in Lake Fayetteville as a Means of Assessing Water Quality.
1971
302
Summary analysis of the North American (US portion) OECD eutrophication project : nutrient loading--lake response relationships and trophic state indices /
1978
303
Swan Lake, Columbia County, Wisconsin.
1974
304
Swan Lake, Itasca County, Minnesota.
1974
305
Swan Lake, Sullivan County, New York.
1974
306
Systems Simulation of the Effects of Tertiary Treatment for Carbon, Nitrogen, and Phosphorus Removal Upon Primary Productivity, Standing Crop and Community Structure of Autotrophic and Metertrophic Communities in Receiv ing Model Streams.
1973
307
Tainter Lake, Dunn County, Wisconsin.
1974
308
Technical Analysis of Response of Chesapeake Bay Water Quality Model to Loading Scenarios (A Report of the Modeling Subcommittee Chesapeake Bay Program Office, Annapolis, MD).
1994
309
Temperature.
1971
310
The dynamics of an estuary as a natural ecosystem /
1977
311
The dynamics of an estuary as a natural ecosystem, II /
1978
312
The Selenastrum capricornutum printz algal assay bottle test : experimental design, application, and data interpretation protocol /
1978
313
Towline Lake, Oneida County, Wisconsin.
1974
314
Trace element research using coniferous forest soil/litter microcosms /
1977
315
Trace Lake, Todd County, Minnesota.
1974
316
Trout Lake, Itasca County, Minnesota.
1974
317
Trout Lake, Vilas County, Wisconsin.
1975
318
Turner Reservoir and Central Pond, Providence County, Rhode Island, and Bristol County, Massachusetts.
1974
319
Wagonga Lake, Kandiyohi County, Minnesota.
1974
320
Wallmark (Mud) Lake, Chisago County, Minnesota.
1975
321
Wapogasset Lake, Polk County, Wisconsin.
1974
322
Wastewater treatment by natural and artificial marshes /
1976
323
Water Pollution Investigation: Detroit and St. Clair Rivers.
1974
324
Water Pollution Investigation: Genesee River and Rochester Area.
1975
325
Waterbury Reservoir Washington and Lamoille Counties Vermont.
1974
326
Waterford Inpoundment-Tichigan Lake, Racine County, Wisconsin.
1974
327
Watershed and point source enrichment and lake trophic state index /
1979
328
Weed Harvest and Lake Nutrient Dynamics.
1973
329
Weiser-Lower Payette water quality surveys ... August 1975 and December 1975
1976
330
What are the Effects of UV-B Radiation on Marine Organisms.
1988
331
White Bear Lake, Ramsey and Washington Counties, Minnesota.
1974
332
Willow Reservoir, Oneida County, Wisconsin.
1974
333
Wolf Lake, Beltrami and Hubbard Counties, Minnesota.
1974
334
Yellow Lake, Burnett County, Wisconsin.
1975
PREV
1
2
3
4
5
6
7
Save, Print or Email Selected Records
Select Records
Selected (this page only)
Selected (across pages)
All (this page only)
All (all pages - 500 item maximum)
Select Format
Text (Brief Information)
Text (Full Information)
Endnote (Endnote Import)
ASCII delimited for EXCEL
Email Address:
(if applicable)