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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Levinton, Jeffrey S. Pochron, Sharon T. |
| Spatial Coverage | New York |
| Description | Country affiliation: United States Author Affiliation: Levinton JS ( Department of Ecology and Evolution, Stony Brook University, Stony Brook, New York 11794-5245, USA. levinton@life.bio.sunysb.edu) |
| Abstract | We analyzed a New York (USA) state database of mercury concentrations in muscle tissue for five species of fish (striped bass, yellow perch, largemouth bass, smallmouth bass, and carp) over a range of locations in the Hudson River (USA) between 1970 and 2004. We used regression models to discern temporal and geographic change in the fish while controlling for a positive correlation between mercury concentration and body mass. Mercury concentrations significantly increased in fish from New York Harbor waters to the mid-Hudson River. Striped bass and yellow perch showed a shallower increase in mercury concentration with river mile than did carp, largemouth bass, and smallmouth bass. Mercury concentrations declined over the 34-year period. These results imply that a geographically restricted source of mercury may be spread throughout the watershed by toxin-laden dispersing species. The increase of mercury toward the north may relate to a point source in the mid-Hudson River, or it may indicate mercury released from the Adirondack watershed. The decline of mercury over three decades corresponds to a reduction of various inputs in the region. The temporal and geographic pattern of mercury in sediments corresponds to the geographic trend of mercury in fish. |
| File Format | HTM / HTML |
| ISSN | 07307268 |
| Issue Number | 8 |
| Volume Number | 27 |
| e-ISSN | 15528618 |
| Journal | Environmental Toxicology and Chemistry |
| Language | English |
| Publisher | Wiley |
| Publisher Date | 2008-08-01 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Water Pollutants, Chemical Geography New York Research Support, Non-u.s. Gov't Environmental Monitoring Species Specificity Toxicity Discipline Environmental Health Muscles Discipline Toxicology Rivers Drug Effects Journal Article Pathology Regression Analysis Animals Time Factors Analysis Fishes Discipline Chemistry Mercury Methods |
| Content Type | Text |
| Resource Type | Article |
| Subject | Environmental Chemistry Health, Toxicology and Mutagenesis |
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