Many wildlife species may be exposed to biologically active concentrations of endocrine-
disrupting chemicals. There is strong evidence obtained from laboratory studies showing the …

Historic and ongoing sediment contamination adversely affects estuaries, among the most
productive marine ecosystems in the world. However, all estuaries are not the same, and …

Disruption in gonadal development of wild roach living in UK rivers receiving large volumes
of treated sewage effluent is manifest in a variety of ways, ranging from malformation of the …

Recently, the importance of the female to population dynamics—especially her non‐genetic
contribution to offspring fitness or maternal effect—has received much attention in studies of …

Concentrations of polycyclic aromatic hydrocarbons (PAH) were determined in sediments
taken at offshore, coastal and estuarine sites around the UK during the period 1993–1996 …

Polycyclic aromatic hydrocarbons (PAHs) are derived from both natural and anthropogenic
sources and are released from a wide range of industries and everyday activities. Unlike …

In animals, hatching represents the transition point from a developing embryo to a free-living
individual, the larva. This process is finely regulated by many endogenous and …

Japanese medaka (Oryzias latipes), a small freshwater fish used extensively to investigate
sexual differentiation and development, were exposed to octylphenol (OP), a known …

Anthropogenic chemicals in the aquatic environment are known to cause reproductive
disturbances in vertebrate and invertebrate organisms, by interfering with the endocrine …

Abstract Under the US Endangered Species Act and the Essential Fish Habitat provisions of
the Sustainable Fisheries Act, it is the responsibility of the National Marine Fisheries Service …