U. Cowgill

发表

The history of a chlorpyrifos spill: Cartagena, Colombia

R. Gowland, V. Fernández, U. Cowgill, 1991 .

Critical analysis of factors affecting the sensitivity of zooplankton and the reproducibility of toxicity test results

U. Cowgill, 1987 .

The distribution of selenium and cancer mortality in the continental United States

U. Cowgill, 1983, Biological Trace Element Research.

The Sensitivity ofCeriodaphnia dubia andDaphnia magna to seven chemicals utilizing the three-brood test

U. Cowgill, D. Milazzo, 1991 .

Acid Precipitation: A Review

U. Cowgill, 1984 .

EFFECTS OF MATERNAL NUTRITION ON FAT CONTENT AND LONGEVITY OF NEONATES OF DAPHNIA MAGNA

D. Williams, U. Cowgill, J. Esquivel, 1984 .

The influence of water on reproductive success and chemical composition of laboratory reared populations of Daphnia magna

U. Cowgill, H. W. Emmel, I. Takahashi, 1986 .

The sensitivity of two cladocerans to water quality variables: salinity and hardness

U. Cowgill, D. Milazzo, 1990, Archiv für Hydrobiologie.

The chemical composition of Astragalus: variations within the plants over a 6‐year period

U. Cowgill, B. Landenberger, 1991 .

The chemical composition of Astragalus: a comparison of seleniferous and non-seleniferous plants growing side by side

U. Cowgill, B. Landenberger, 1992 .

Variation in the nitrotoxin concentration of 13 species ofAstragalus (fabaceae) over a 6-year period

U. Cowgill, 1991, Biological Trace Element Research.

The tellurium content of vegetation

U. Cowgill, 1988, Biological Trace Element Research.

Fecundity and Longevity of Ceriodaphnia Dubia/affinis in Relation to Diet at Two Different Temperatures

K. Keating, U. Cowgill, I. Takahashi, 1985 .

Brood Size and Neonate Weight of Daphnia magna Produced by Nine Diets

U. Cowgill, I. Takahashi, D. Milazzo, 1985 .

Occurrence of Aphanomyces daphniae infection in laboratory cultures of Daphnia magna

M. Mayes, G. Klečka, U. Cowgill, 1984 .

The sensitivity of two cladocerans to water quality variables: Alkalinity

U. Cowgill, D. Milazzo, 1991 .

The reproducibility of the three broodCeriodaphnia test using the reference toxicant sodium lauryl sulfate

U. Cowgill, B. Landenberger, D. Milazzo, 1990, Archives of environmental contamination and toxicology.

A comparison of the effect of four benchmark chemicals on Daphnia magna and Ceriodaphnia dubia‐affinis tested at two different temperatures

U. Cowgill, I. Takahashi, S. Applegath, 1985 .

Toxicity of nine benchmark chemicals to Skeletonema Costatum, a marine diatom

U. Cowgill, B. Landenberger, D. Milazzo, 1989 .

The response of the three broodCeriodaphnia test to fifteen formulations and pure compounds in common use

U. Cowgill, D. Milazzo, 1991, Archives of environmental contamination and toxicology.

Comparison of ethanol toxicity toDaphnia magna andCeriodaphnia dubia tested at two different temperatures: Static acute toxicity test results

U. Cowgill, I. Takahashi, P. Murphy, 1987, Bulletin of environmental contamination and toxicology.

The Culturing and Testing of Two Species of Duckweed

U. Cowgill, D. Milazzo, 1989 .