Search Results for the EPA National Library Catalog

Items Found: 767

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Your Search: (SUBJECT=Aquatic ecosystems)

 
 
 

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Select Item Title Year Published
  1 1997 atlas of Chesapeake Bay Basin biological and living resources long term monitoring programs 1997
  2 2003 update of ambient water quality criteria for copper. 2003
  3 A comprehensive list of Chesapeake Bay basin species 1997 / 1997
  4 A dynamic river basin water quality model / 1991
  5 A national assessment of landscape change and impacts to aquatic resources : a 10-year research strategy for the landscape sciences program. 2000
  6 A national assessment of landscape change and impacts to aquatic resources a 10-year research strategy for the landscape sciences program. / [microform] : 2000
  7 A Natural system for wastewater reclamation and resource enhancement : Arcata, California. 1993
  8 Abiotic Transformation Pathways of Organic Chemicals in Aquatic Ecosystems. 1994
  9 Abiotic Transformations of Toxic Organic Chemicals in the Liquid Phase and Sediments. 1988
  10 Abstracts of publications and presentations, 1985-1986. 1988
  11 Acid Deposition in Maryland. Summary of 1993 Research and Monitoring Results and Evaluation of Status and Trends. 1995
  12 Acid-Base Characteristics of Organic Carbon in the Humex Lake Skjervatjern. 1992
  13 Acid-Volatile Sulfide as a Factor Mediating Cadmium and Nickel Bioavailability in Contaminated Sediments. 1991
  14 Acidic Deposition and Aquatic Ecosystems: Regional Case Studies. 1990
  15 Adaptation of Aquatic Microbial Communities to Pollutant Stress. 1988
  16 Agricultural insecticide runoff effects on estuarine organisms correlating laboratory and field toxicity tests, ecophysiology bioassays, and ecotoxicological biomonitoring / {microform} : 1994
  17 Air pollution effects of biodiversity {microform} / edited by Jerry R. Barker and David T. Tingey. 1992
  18 Air quality criteria for oxides of nitrogen. Volume 2. {microform} / 1991
  19 Airborne Mercury Deposition and Watershed Characteristics in Relation to Mercury Concentrations in Water, Sediments, Plankton, and Fish of Eighty Northern Minnesota Lakes. 1990
  20 Airshed and Watersheds 3: A Shared Resources Workshop on the Significance of Ammonia to Coastal and Estuarine Areas. Held in Dewey Beach, Delaware on November 15-16, 2000. 2001
  21 Alterations in Growth, Reproduction, and Energy Metabolism of Estuarine Crustaceans as Indicators of Pollutant Stress. 1994
  22 Always a river : supplemental environmental education curriculum on the Ohio River and water grades K-12 / 1991
  23 Ambient Aquatic Life Water Quality Criteria for Antimony (III). 1988
  24 Ambient aquatic life water quality criteria for atrazine / 2003
  25 Ambient Aquatic Life Water Quality Criteria for Atrazine-Draft. 2001
  26 Ambient aquatic life water quality criteria for di-2-ethylhexyl phthalate : draft. 1987
  27 Ambient aquatic life water quality criteria for tributyltin 1997
  28 Ambient aquatic life water quality criteria for tributyltin / 2003
  29 Ambient aquatic life water quality criteria for tributyltin : draft / 1997
  30 Ambient aquatic life water quality criteria tributyltin {microform}. 1997
  31 Ambient aquatic life water quality criteria tributyltin. 1997
  32 Ambient aquatic life water quality criteris for tributyltin {microform} / 2003
  33 Ambient water quality criteria document addendum for 2, 4-dimethylphenol, microform 1990
  34 Ambient water quality criteria document addendum for 2-chlorophenol, microform 1989
  35 Ambient water quality criteria document addendum for acrolein. (draft report final) microfiche / 1989
  36 Ambient water quality criteria document addendum for acrolein. (draft report final). 1989
  37 Ambient water quality criteria document addendum for acrylonitrile, (draft report final) microfiche / 1989
  38 Ambient water quality criteria document addendum for antimony. (draft report final) microfiche / 1989
  39 Ambient water quality criteria document addendum for benzidene (draft report final) microfiche / 1989
  40 Ambient water quality criteria document addendum for cenphthene,(draft report final) microfiche / 1990
  41 Ambient water quality criteria document addendum for chlorinated napthalenes (draft report final) microform 1989
  42 Ambient water quality criteria document addendum for chlorinated phenols (draft report final) microform 1989
  43 Ambient water quality criteria document addendum for chloroakyl ethers (draft report final) microform 1989
  44 Ambient water quality criteria document addendum for chloroform ethers (draft report final) microform 1989
  45 Ambient water quality criteria document addendum for DDT, (draft report final) microform 1989
  46 Ambient water quality criteria document addendum for diphenylhydrazinw, (draft report final) microform 1989
  47 Ambient water quality criteria document addendum for ethylbenzene, (draft report final) microform 1989
  48 Ambient water quality criteria document addendum for fluoranthene, (draft report final) microform 1990
  49 Ambient water quality criteria document addendum for haloethers, (draft report final) microform 1989
  50 Ambient water quality criteria document addendum for hexachlorobutadiene, microform 1989
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