Criteria for establishing water quality standards that are protective for 95% of the native
species are generally based upon laboratory toxicity tests. These tests utilize common …

Abstract Development of methods for assessing exposure and effects of waterborne
toxicants on stream invertebrate species is important to elucidate environmentally relevant …

Although insects occur in nearly all freshwater ecosystems, few sensitive insect models exist
for use in determining the toxicity of contaminants. The objectives of the present study were …

Abstract Standard US Environmental Protection Agency laboratory tests are used to monitor
water column toxicity in US surface waters. The water flea Ceriodaphnia dubia is among the …

Vernal pool fairy shrimp, Branchinecta lynchi,(Branchiopoda; Anostraca) and other fairy
shrimp species have been listed as threatened or endangered under the US Endangered …

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 …

A study was conducted to determine if contaminant-induced changes in macroinvertebrate
communities in laboratory stream microcosms could be used to predict responses of these …

The United States Environmental Protection Agency routinely use the sub-tropical mysid
Americamysis (= Mysidopsis) bahia (Peracarida: Mysidacea) in laboratory testing to …

Toxicity tests using standard effluent test procedures described by the US Environmental
Protection Agency were conducted with Ceriodaphnia dubia, fathead minnows (Pimephales …

Short‐term, single‐species toxicity tests are used to identify, regulate and monitor the
discharge of problem effluents into receiving ecosystems. The ability of single‐species tests …