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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Flynn, Katherine Spellman, Tanya |
| Description | Country affiliation: United States Author Affiliation: Flynn K ( Department of Biology, Environmental Studies Program, Adelphi University, 1 South Avenue, Garden City, NY 11530, USA. kflynn2000@yahoo.com) |
| Abstract | The commonly used herbicide atrazine (ATR), may cause estrogen-like alterations and, like other xenoestrogens, may alter behavior. Here effects on animal aggregation were tested in freshwater mussels exposed short-term to ecologically relevant ATR concentrations between 1.5 and 150microg/L. The aggregation index (AI), the fraction of mussels in the most densely populated tank section, was evaluated and showed higher AI at later times in both 6- and 72-h trials (p<0.001). After 72h, there was also less aggregation in estradiol- and mid-ATR-treated animals, 26% and 24% less than control, respectively (p<0.04). These data suggest that freshwater mussels tend to aggregate, that 72-h exposure to ecologically relevant ATR concentrations decreases aggregation, and that estradiol exposure has a similar effect. Given that bivalve aggregation may be related to reproduction, the results suggest that low concentrations of ATR may have ecological consequences on animal populations in this species. |
| File Format | HTM / HTML |
| ISSN | 01476513 |
| Issue Number | 4 |
| Volume Number | 72 |
| e-ISSN | 10902414 |
| Journal | Ecotoxicology and Environmental Safety |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2009-05-01 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Environmental Sciences Atrazine Toxicity Bivalvia Growth & Development Herbicides Analysis Of Variance Animals Pharmacokinetics Drug Effects Data Interpretation, Statistical Estradiol Metabolism Fresh Water Half-life Journal Article |
| Content Type | Text |
| Resource Type | Article |
| Subject | Pollution Health, Toxicology and Mutagenesis Public Health, Environmental and Occupational Health |
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