Bioindicators from Mosquitofish (Gambusia affinis) Sampled from the Imperial Valley in Southern California
Open-File Report
2006-1307
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Abstract
The Sonny Bono Salton Sea National Wildlife Refuge (SSNWR) is located 64 km north of the Mexican border at the southern end of the Salton Sea in California's Imperial Valley. Freshwater ponds and managed habitats at the SSNWR, Calipatria, Calif. are supplied with Colorado River water that carries compounds from upstream sources. Components include municipal and industrial discharges, agricultural drainage, and sewage plant inputs. Aquatic animals in these ecosystems are continuously exposed to multiple constituents, several of which have been demonstrated to be associated with hormonal disturbances. We investigated possible endocrine impacts to fish in the Imperial Valley, Calif., by addressing the null hypothesis that aquatic species in impacted sites did not exhibit evidence of endocrine disruption as compared with those from nonimpacted sites. The results presented are intended to provide managers with science-based information and interpretations about the condition of the animals in their ecosystems for the minimization of potential adverse effects to trust fish and wildlife resources and for the maximization of available water resources.
Suggested Citation
Jenkins, J.A., and Draugelis-Dale, R.O., 2006, Bioindicators from Mosquitofish (Gambusia affinis) Sampled from the Imperial Valley in Southern California (Version 1.0): U.S. Geological Survey Open-File Report 2006-1307, iv, 48 p., https://doi.org/10.3133/ofr20061307.
ISSN: 2331-1258 (online)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Bioindicators from Mosquitofish (Gambusia affinis) Sampled from the Imperial Valley in Southern California |
| Series title | Open-File Report |
| Series number | 2006-1307 |
| DOI | 10.3133/ofr20061307 |
| Edition | Version 1.0 |
| Year Published | 2006 |
| Language | ENGLISH |
| Contributing office(s) | National Wetlands Research Center |
| Description | iv, 48 p. |
| Online Only (Y/N) | Y |