Papers based on the Second Savannah River Symposium on Environmental Sciences, held in Aiken, S.C. on June 20 to 22, 1994. Includes bibliographical references and index.

Ecotoxicology as a science / Michael C. Newman -- Ecotoxicology of metals in the aquatic environment : geochemical aspects / Peter G.C. Campbell and Andr e Tessier -- Ecotoxicants at the cell-membrane barrier / Ken Simkiss -- Evaluation of organic contaminant exposure in aquatic organisms : the significance of bioconcentration and bioaccumulation / Peter F. Landrum, Gail A. Harkey, and Jussi Kukkonen -- Molecular markers to toxic agents / Lee R. Shugart -- Responses at the tissue level : quantitative methods in histopathology applied to ecotoxicology / Charles H. Jagoe -- Effects of pollutants on individual life histories and population growth rates / Richard M. Sibly -- Ecologically meaningful estimates of lethal effect in individuals / Michael C. Newman and Philip M. Dixon -- Demography meets ecotoxicology : untangling the population level effects of toxic substances / Hal Caswell -- Toxicants as selective agents in population and community dynamics / Ronald K. Chesser and Derrick W. Sugg -- Effects of environmental stressors on interspecific interactions of aquatic animals / Gary J. Atchison, Mark B. Sandheinrich, and Michael D. Bryan -- Ecotoxicology and the redundancy problem : understanding effects on community structure and function / James R. Pratt and John Cairns, Jr. -- Ecosystems and ecotoxicology : a personal perspective / David W. Schindler -- Summary / Carl L. Strojan.