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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Forsgren, Kristy L. Bay, Steven M. Vidal-Dorsch, Doris E. Deng, Xin Lu, Guanghua Armstrong, Jeff Gully, Joseph R. Schlenk, Daniel |
| Spatial Coverage | California |
| Description | Country affiliation: United States Author Affiliation: Forsgren KL ( University of California, Riverside, Riverside, CA, USA. klforsgren@gmail.com) |
| Abstract | Treated wastewater effluent containing endocrine-disrupting chemicals is discharged into the coastal waters of the Southern California Bight (SCB) daily. The present study investigated changes in indicators of reproductive health and environmental estrogen exposure in hornyhead turbot (Pleuronichthys verticalis) near wastewater outfalls. Fish were collected from discharge areas, farfield stations, and a reference location in the SCB to examine spatial and temporal patterns. Fish from the Orange County outfall farfield site were younger and less sexually mature than fish from other sites. The sex ratio was skewed in some fish from outfall sites as well as from the Dana Point reference site. However, no consistent pattern in sex ratio was present over time. Low-level induction of vitellogenin was frequently observed in male fish from all sites, suggesting widespread exposure to estrogenic compounds, but did not appear to impact reproductive function as there was no incidence of gonad abnormalities (ova-testis). Analysis of historical hornyhead turbot trawl data indicated that populations are either increasing or stable in the SCB; thus, environmental estrogen exposure was not adversely impacting fish abundance. Additional research is needed to determine the cause of the estrogenic response in hornyhead turbot and whether the source of the estrogenic compounds is a consequence of historical contamination or of ongoing sources or representative of baseline characteristic of this species. |
| File Format | HTM / HTML |
| ISSN | 07307268 |
| Issue Number | 12 |
| Volume Number | 31 |
| e-ISSN | 15528618 |
| Journal | Environmental Toxicology and Chemistry |
| Language | English |
| Publisher | Wiley |
| Publisher Date | 2012-12-01 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Water Pollutants, Chemical Testis Research Support, Non-u.s. Gov't Toxicity Discipline Environmental Health Estrogens Discipline Toxicology Male Endocrine Disruptors Blood Journal Article Reproduction Discipline Chemistry Female Physiology Seasons Environmental Monitoring Abnormalities Waste Water California Drug Effects Flounder Sex Ratio Growth & Development Chemistry Animals Analysis Ovum Vitellogenins Statistics & Numerical Data |
| Content Type | Text |
| Resource Type | Article |
| Subject | Environmental Chemistry Health, Toxicology and Mutagenesis |
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