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United States Environmental Protection Agency
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Items Found: 13
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Your Search: (AUTHOR=Hedtke AND S.)
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Ammonia Effects on Microinvertebrates and Fish in Outdoor Experimental Streams.
Effects of Pentachlorophenol on Invertebrates and Fish in Outdoor Experimental Channels.
Effects of Waste Oil on the Survival and Reproduction of the American Flagfish, 'Jordanella floridae'.
Environmental Monitoring and Assessment Program (EMAP) : Great Lakes monitoring and research strategy /
Evaluation of a Site-Specific Criterion Using Outdoor Experimental Streams.
Public health and ecological interconnectivity : a conditional probability approach associating degradation of streams and infant mortality /
Seasonal Toxicity of Ammonia to Five Fish and Nine Invertebrate Species.
Short-Term Toxicity of Five Oil s to Four Freshwater Species.
Structure and Function of Copper-Stressed Aquatic Microcosms.
The effect of copper on the structure and function of laboratory aquatic microcosms /
Toxicity and Fate of Total Residual Chlorine in Outdoor Experimental Streams (Book Chapter).
Toxicity and Fate of Total Residual Chlorine in Outdoor Experimental Streams.
Toxicity of Pentachlorophenol to Aquatic Organisms under Naturally Varying and Controlled Environmental Conditions.
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