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Long-term temporal changes in the estrogenic composition of treated sewage effluent and its biological effects on fish

Article Abstract:

This article examines the estrogenic quality of United Kingdom sewage treatment works and the effects of such composition on fish living downstream from the discharge.

Author: Rodgers-Gray, Trevor P., Jobling, Susan, Morris, Steven, Kelly, Carole, Kirby, Sonia, Janbakhsh, Afsaneh, Harries, Jule E., Waldock, Michael J., Sumpter, John P., Tyler, Charles R.
Publisher: American Chemical Society
Publication Name: Environmental Science & Technology
Subject: Science and technology
ISSN: 0013-936X
Year: 2000
United Kingdom, Inland Water Pollution, Sewage

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Nonylphenol affects gonadotropin levels in the pituitary gland and plasma of female rainbow trout

Article Abstract:

This study was conducted to determine the effect of nonylphenol on rainbow trout. Over a course of 18 weeks, female rainbow trout were exposed to 4-nonylphenol (NP) during the early stages of ovarian development. The research showed that NP had negative effects on the pituitary function that may inhibit ovarian development.

Author: Janbakhsh, Afsaneh, Sumpter, John P., Tyler, Charles R., Harris, Catherine A., Santos, Eduarda M., Pottinger, Tom G.
Publisher: American Chemical Society
Publication Name: Environmental Science & Technology
Subject: Science and technology
ISSN: 0013-936X
Year: 2001
United States, Commercial Fishing, Fishing, Industrial Organic Chemicals, Cyclic Crude and Intermediate Manufacturing, Phenol & Derivatives, Health aspects, Phenols, Phenols (Class of compounds), Alcohol industry, Aromatic alcohols, Rainbow trout

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Widespread sexual disruption in wild fish

Article Abstract:

A study of wild fish populations affected by sewage treatment plant effluents showed that ambient levels of chemicals present in rivers can affect physiological changes in wild fish populations. This was shown in the population of the riverine fish the roach, Rutilus rutilus, which was shown to exhibit high rates of sex reversal. Male roaches were shown to be affected by sewage effluents, whose components acted as endocrine disruptors, effecting sex reversal in males as shown by the changes in the reproductive organs.

Author: Jobling, Susan, Sumpter, John P., Tyler, Charles R., Nolan, Monique, Brighty, Geoff
Publisher: American Chemical Society
Publication Name: Environmental Science & Technology
Subject: Science and technology
ISSN: 0013-936X
Year: 1998
Water Pollution, Physiological aspects, Sewage disposal plants, Stream ecology

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Subjects list: Statistical Data Included, Research, Environmental aspects, Water pollution, Fishes
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