Search Results for the EPA National Library Catalog

Items Found: 5612
Showing: Items 51 - 100
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Select Item Title Year Published
A guidebook for integrated ecological assessments / 2001
A Legacy for Living Systems Gregory Bateson as Precursor to Biosemiotics / [electronic resource] : 2008
A limnological investigation of the relationship between the Navasota River, Texas, and a selected floodplain. 1974
A Literature review of the possible effects of gas supersaturation on aquatic organisms. 1985
A Little Less Arctic Top Predators in the World's Largest Northern Inland Sea, Hudson Bay / [electronic resource] : 2010
A living bay : the underwater world of Monterey Bay / 2000
A manual for the identification of the larvae of the caddisfly genera Hydropsyche pictet and Symphitopsyche ulmer in eastern and central North America (Trichoptera: hydropsychidae) / 1978
A manual on methods for measuring primary production in aquatic environments / 1974
A manual on methods for measuring primary production in aquatic environments, including a chapter on bacteria / 1969
A Manual on methods for the assessment of secondary productivity in fresh waters / 1971
A Natural Calling Life, Letters and Diaries of Charles Darwin and William Darwin Fox / [electronic resource] : 2009
A new bibliography of samplers for freshwater benthic invertebrates / 1993
A new biology for the 21st century / 2009
A new history of life : the radical new discoveries about the origins and evolution of life on earth / 2015
A plague of frogs : the horrifying true story / 2000
A plague of frogs : unraveling an environmental mystery / 2002
A preliminary model for consumer predation / 1971
A primer of ecology / 1998
A primer of ecology / 2008
A primer of genome science / 2004
A primer of population biology 1971
A proximate biological survey of San Diego Bay, California / 1975
A proximate biological survey of San Diego Bay, California / 1975
A proximate biological survey of San Diego Bay, California / 1974
A report by a panel of the National Academy of Public Administration for Congress and the Environmental Protection Agency : draft report. 2000
A Report on seasonal occurrence of aquatic and marine invertebrates on the Santa Rosa Island campus / 0
A review of aquatic habitat assessment methods / 1982
A review of concentration techniques for trace chemicals in the environment. 1975
A review of single species toxicity tests : are the tests reliable predictors of aquatic ecosystem community responses? / 1999
A review of the physiological impact of mercurials / 1974
A Sea Change: The Exclusive Economic Zone and Governance Institutions for Living Marine Resources [electronic resource] / 2005
A source-book of biological names and terms / 1955
A stream condition index for West Virginia wadeable streams : Prepared for: U.S. EPA Region 3 Environmental Services Division, and U.S. EPA Office of Science and Technology, Office of Water; work assignment managers: James Green (Region 3) and William Swietlik (OST); prepared by: Tetra Tech, Inc. 2000
A stream condition index for West Virginia wadeable streams [REVISED] / 2000
A study of nutrient accrual, uptake, and regeneration as related to primary production in a warm-water stream / 1958
A study of the effects of a commercial hydraulic clam dredge on benthic communities in estuarine areas / 1971
A study of the nutrients, productivity and plankton in western Lake Superior / 1963
A Supplement to Methods for collection and analysis of aquatic biological and microbiological samples : U.S. Geological Survey Techniques of water-resources investigations, book 5, chapter A4 / 1979
A survey of air and population lead levels in selected American communities : final report / 1972
A survey of the marine environment from Fort Ross, Sonoma County to Point Lobos, Monterey County; the final report of the California Department of Fish and Game to the San Francisco Bay-Delta Water Quality Control Program pursuant to Task order VII la (DFG) 1968
A symposium on the biological significance of estuaries / 1971
A symposium on water quality criteria to protect aquatic life, presented at the 96th annual meeting, Kansas City, Missouri, September 1966. Edwin L. Cooper, editor. 1967
A Synthesis of biological data from the Strait of Juan de Fuca and northern Puget Sound / 1983
A systems approach to ecological baseline studies / 1978
A virus-in-water study of finished water from six communities / 1975
About Life Concepts in Modern Biology / [electronic resource] : 2007
Absence of Conversion of o,p'-DDT to p,p'-DDT in the Rat. 1972
Absorption and Biokinetics of U in Rats Following an Oral Administration of Uranyl Nitrate Solution. 1987
Absorption and Excretion of Parathion by Spraymen. 1971
Absorption characteristics of prolate spheroidal model of man and animals at and near resonance frequency / 1979
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