Mercury and trace elements in crayfish from northern California
Bulletin of Environmental Contamination and Toxicology
By: R. L. Hothem, D.R. Bergen, M.L. Bauer, J.J. Crayon, and A.M. Meckstroth
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Abstract
We collected two species of crayfish, Pacifastacus leniusculus and Procambarus clarkii, from Cache and Putah Creeks, California, and analyzed them for mercury and trace elements. Trace elements were higher in carcasses in 40 cases, higher in tails in 5 cases, and not different in 35 cases; no concentration exceeded levels considered harmful. Mercury concentrations were similar among sites, with no overall sex or species effect in tails. Mercury and methylmercury concentrations were higher in tails at all sites. Methylmercury concentrations in crayfish tails (0.156-0.256 ??g/g) exceeded concentrations reported in health advisories for consumption of fish and crayfish from these watersheds. ?? Springer Science+Business Media, LLC 2007.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Mercury and trace elements in crayfish from northern California |
| Series title | Bulletin of Environmental Contamination and Toxicology |
| DOI | 10.1007/s00128-007-9304-6 |
| Volume | 79 |
| Issue | 6 |
| Year Published | 2007 |
| Language | English |
| Contributing office(s) | California Water Science Center |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Bulletin of Environmental Contamination and Toxicology |
| First page | 628 |
| Last page | 632 |
| Google Analytic Metrics | Metrics page |