The science of sediment toxicology essentially began in the late 1970s. It was largely a
product of dredging concerns and recognition of widespread contamination of sediments …

This article is a state-of-the-art review about such metals as Al, Fe, Mn, Cu, Zn, Cd, Pb, Cr,
Ni, Hg, and As in surface waters. It focuses on natural and anthropogenic sources, chemical …

Chironomus tentans is a representative of a group of insects known as the midges, which
are widely distributed in freshwater sediments during their larval stage of development …

This manual represents the third edition of the Agency's methods manual for estimating the
chronic toxicity of effluents and receiving waters to freshwater organisms initially published …

The rationale and conceptual basis for the use of sediment toxicity assays are discussed in
relationship to their use in sediment evaluations employing faunal surveys, toxicity assays …

Daphnia magna is commonly used in aquatic toxicity testing because of many characters
that make it easy and economical to culture in the laboratory: it is relatively small, has short …

Survival, growth, and reproduction of Hyalella azteca were determined under various test
conditions. Reproduction by a cohort begins when the amphipods are 5 to 6 weeks old …

This paper reviews the literature to determine if lowered water pH (a) affects metal
bioaccumulation in freshwater invertebrates,(b) enhances the toxicity of a given metal, and …

Evaluates the threat to ecosystems posed by contamination of the environment with
cadmium from natural and industrial sources. More than 350 investigations were critically …

A comparison between Ceriodaphnia sp. and other Cladoceran species including Daphnia
magna and D. pulex was made in terms of their life history, geographical distribution …