Search Results for the EPA National Library Catalog

Items Found: 900
Showing: Items 51 - 100
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Select Item Title Year Published
Algal ecology : freshwater benthic ecosystems / 1996
Algal-temperature-nutrient relationships and distribution in Lake Erie / 1971
Alteration of natural flow regimes : a nationwide natural resource issue as reported by the Nation's Estuary Programs. 1997
Ambient aquatic life water quality criteria for ammonia / 1985
An annotated key to the identification of commonly occurring and dominant genera of algae observed in the phytoplankton of the United States / 1982
An assessment of the macroinvertebrate communities of the Indian Creek Watershed, Tazewell County, Virginia / 2003
An assessment of the PCB and dioxin background in Washington freshwater fish, with recommendations for prioritizing 303(d) listings / 2010
An evaluation of the suitability of the Cedar Bluff spill site for recovery of freshwater mussels, Clinch River, Tazewell County, Virginia : final report / 2001
An in-situ study of the nutrition of lake zooplankton using carbon 14 and phosphorus 32, Flathead Lake, Montana : completion report / 1975
An integrative approach to prioritizing and restoring aquatic habitat connectivity in a national park setting : the case of Kejimkujik / 2014
An introduction to Mid-Atlantic seasonal pools / 2005
An investigation of potential environmental hazards at Tinicum National Environmental Center, Philadelphia and Delaware Counties, Pa. / 1986
Annotated bibliography for aquatic resource management of the upper Colorado River ecosystem 1980
Annual report 1993
Annual report, Marine and Freshwater Biomedical Core Center / 0
Apparent optimal temperatures for the occurrence of some common phytoplankton species in southern Lake Michigan 1976
Application of a Three-Dimensional Circulation Model to Tampa Bay to Support Water Quality Modeling. Final Report. 1995
Approach to Calculating Wind-Driven Currents and Transport of Substances in Unstratified Water Bodies Using Curvilinear Coordinates. 1992
Aquatic and wetland plants of Southwestern United States / 1972
Aquatic biology of the San Joaquin-Tulare basins, California : analysis of available data through 1992 / 1996
Aquatic biomonitoring at Greens Creek Mine, 2008 / 2009
Aquatic biomonitoring at Greens Creek Mine, 2009 / 2010
Aquatic fungi in rivers, their distribution and response to pollutants 1974
Aquatic humic substances : ecology and biogeochemistry / 1998
Aquatic invertebrate recovery in the Clinch River following hazardous spills and floods 1973
Aquatic macrophyte risk assessment for pesticides / 2010
Aquatic mollusks of North Dakota / 1983
Aquatic organisms from selected sites along the proposed trans-Alaska pipeline corridor : September 1970 to September 1972 / 1974
Aquatic plant chemistry; its application to water pollution control / 1970
Aquatic plant identification manual for Washington's freshwater plants 2001
Aquatic Plants from Minnesota. Part IV. Nutrient Composition. 1973
Aquatic plants in selected waters of King County : distribution and community composition of Macrophytes / 1979
Aquatic plants of the United States 1967
Aquatic plants of the United States / 1944
Aquatic primary productivity and physical-chemical limnology on the Pawnee site / 1970
Aquatic synthesis for Voyageurs National Park / 2003
Artificial Sediments for Use in Tests with Wetland Plants. 1990
Assessing the sustainability and biological integrity of water resources using fish communities / 1999
Assessment framework for Mid-Atlantic coastal plain streams using benthic macroinvertebrates / 1998
Assessment of macroinvertebrate monitoring techniques in an energy development area : a test of the efficiency of three macrobenthic sampling methods in the White River / 1979
Assessment of the effects of nutrient loadings on Lake Ontario using a mathematical model of the phytoplankton / 1976
Assessment of the trophic status of Iowa stream fish for development of biocriteria / 2000
Atlantic and Indian Oceans environment outlook / 2005
Atlas of North American freshwater fishes, 1980- et seq. / 1980
Attempt to Access the Lethal Body Burden of Me2siosime3 to Rainbow Trout with Cover Letter dated 04/20/94. 1994
Average growth rates and length-weight relationships for fifteen species of fish in Oklahoma waters 1963
Bacillariophyceae 1986
Bacterial gill disease of fresh-water fishes / 1963
Baseline studies and impacts of navigation on the benthos and drift (work task 6), on the quantity of flow to side channels (work task 14), and on the suspended matter entering side channels (work task 16) of Pool 9 of the Upper Mississippi River 1981
Baseline study of the water quality, sediments, and biota of Lake Union, 1977
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