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Mercury Speciation in Piscivorous Fish from Mining-Impacted Reservoirs
Guadalupe Reservoir (GUA), California, and Lahontan Reservoir (LAH), Nevada, U.S. are both affected either directly or indirectly by the legacy of gold and silver mining in the Sierra Nevada during the nineteenth century. Analysis of total mercury in fish from these lentic systems consistently indic...
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| Published in: | Environmental science & technology 2007-04, Vol.41 (8), p.2745-2749 |
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| Main Authors: | , , , , |
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| cites | cdi_FETCH-LOGICAL-a439t-ea37b6f78563de65ae358d0c1cb9f2f0cca48b41782a0cf378be2c28115305423 |
| container_end_page | 2749 |
| container_issue | 8 |
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| container_title | Environmental science & technology |
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| creator | Kuwabara, James S Arai, Yuji Topping, Brent R Pickering, Ingrid J George, Graham N |
| description | Guadalupe Reservoir (GUA), California, and Lahontan Reservoir (LAH), Nevada, U.S. are both affected either directly or indirectly by the legacy of gold and silver mining in the Sierra Nevada during the nineteenth century. Analysis of total mercury in fish from these lentic systems consistently indicate elevated concentrations (>1 μg·g-1 wet weight; hereinafter, all concentrations are reported as wet weight unless indicated otherwise) well above the U.S. Environmenal Protection Agency's human consumption advisory level for fish ( |
| doi_str_mv | 10.1021/es0628856 |
| format | article |
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Analysis of total mercury in fish from these lentic systems consistently indicate elevated concentrations (>1 μg·g-1 wet weight; hereinafter, all concentrations are reported as wet weight unless indicated otherwise) well above the U.S. Environmenal Protection Agency's human consumption advisory level for fish (<0.3 μg·g-1). Replicate X-ray absorption near edge structure (XANES) analyses on largemouth bass and hybrid striped bass from GUA and LAH were performed to determine predominant chemical species of mercury accumulated by these high-trophic-level piscivores that are exposed to elevated mercury through trophic transfer in mining-impacted lentic systems. Despite distinct differences in mercury source, the proximity of the source, and concentrations of complexing ligands, results of XANES analysis clearly indicated that mercury accumulated in these individual fish from the two reservoirs were dominated by methylmercury cysteine complexes. These findings are consistent with results from commercial fish species inhabiting marine environments which are presumed to include differing mercury sources (e.g., atmospheric, hydrothermal, or benthic). The dominance of methylmercury cysteine complexes in muscle tissues of fish obtained from such contrasting environments and exposure conditions suggests that a generic toxicological model for the consumption of fish could be applicable over a wide range of ecologic settings.</description><identifier>ISSN: 0013-936X</identifier><identifier>EISSN: 1520-5851</identifier><identifier>DOI: 10.1021/es0628856</identifier><identifier>PMID: 17533833</identifier><identifier>CODEN: ESTHAG</identifier><language>eng</language><publisher>Washington, DC: American Chemical Society</publisher><subject>Agnatha. 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Sci. Technol</addtitle><description>Guadalupe Reservoir (GUA), California, and Lahontan Reservoir (LAH), Nevada, U.S. are both affected either directly or indirectly by the legacy of gold and silver mining in the Sierra Nevada during the nineteenth century. Analysis of total mercury in fish from these lentic systems consistently indicate elevated concentrations (>1 μg·g-1 wet weight; hereinafter, all concentrations are reported as wet weight unless indicated otherwise) well above the U.S. Environmenal Protection Agency's human consumption advisory level for fish (<0.3 μg·g-1). Replicate X-ray absorption near edge structure (XANES) analyses on largemouth bass and hybrid striped bass from GUA and LAH were performed to determine predominant chemical species of mercury accumulated by these high-trophic-level piscivores that are exposed to elevated mercury through trophic transfer in mining-impacted lentic systems. Despite distinct differences in mercury source, the proximity of the source, and concentrations of complexing ligands, results of XANES analysis clearly indicated that mercury accumulated in these individual fish from the two reservoirs were dominated by methylmercury cysteine complexes. These findings are consistent with results from commercial fish species inhabiting marine environments which are presumed to include differing mercury sources (e.g., atmospheric, hydrothermal, or benthic). The dominance of methylmercury cysteine complexes in muscle tissues of fish obtained from such contrasting environments and exposure conditions suggests that a generic toxicological model for the consumption of fish could be applicable over a wide range of ecologic settings.</description><subject>Agnatha. Pisces</subject><subject>Animal, plant and microbial ecology</subject><subject>Animals</subject><subject>Applied ecology</subject><subject>Bass</subject><subject>Biological and medical sciences</subject><subject>Ecotoxicology, biological effects of pollution</subject><subject>Environmental impact</subject><subject>Environmental science</subject><subject>Fish</subject><subject>Fishes - physiology</subject><subject>Fresh Water - chemistry</subject><subject>Freshwater</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General aspects</subject><subject>Mercury</subject><subject>Mercury - chemistry</subject><subject>Mercury - metabolism</subject><subject>Micropterus salmoides</subject><subject>Mining</subject><subject>Morone saxatilis</subject><subject>Predatory Behavior</subject><subject>Reservoirs</subject><subject>Vertebrates: general zoology, morphology, phylogeny, systematics, cytogenetics, geographical distribution</subject><subject>Water Pollutants, Chemical - chemistry</subject><subject>Water Pollutants, Chemical - metabolism</subject><subject>Water Pollution</subject><subject>Water Supply</subject><issn>0013-936X</issn><issn>1520-5851</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNplkcFOGzEQhi1EBWngwAugFRKVetgyttdr5wiBtKlIGxGQuFleZxZMs7vB3kXk7esoEZHa0xzm069v_iHkhMI3CoxeYICcKSXyPdKjgkEqlKD7pAdAeTrg-eMh-RzCCwAwDuqAHFIpOFec98hogt52fpXMlmidaV1TJ65Opi5Y99b4pgvJyIXnpPRNlUxc7eqndFwtjW1xntxhQP_WOB-OyKfSLAIeb2efPIxu7oc_0tvf38fDy9vUZHzQpmi4LPJSRlU-x1wY5ELNwVJbDEpWgrUmU0VGpWIGbMmlKpBZpigVHETGeJ982eQuffPaYWh1FU1xsTA1RlfNKIBcn9YnZ_-AL03n6-imYwdUKC7zCH3dQNY3IXgs9dK7yviVpqDXzeqPZiN7ug3sigrnO3JbZQTOt4AJ1ixKb2rrwo5TkmbxF5FLN5wLLb5_7I3_o3PJpdD305n-dT38CWxwpeUu19iwO-J_wb-90Jmd</recordid><startdate>20070415</startdate><enddate>20070415</enddate><creator>Kuwabara, James S</creator><creator>Arai, Yuji</creator><creator>Topping, Brent R</creator><creator>Pickering, Ingrid J</creator><creator>George, Graham N</creator><general>American Chemical Society</general><scope>BSCLL</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>7ST</scope><scope>7T7</scope><scope>7U7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope><scope>SOI</scope><scope>7TN</scope><scope>7TV</scope><scope>7U6</scope><scope>7UA</scope><scope>F1W</scope><scope>H97</scope><scope>L.G</scope></search><sort><creationdate>20070415</creationdate><title>Mercury Speciation in Piscivorous Fish from Mining-Impacted Reservoirs</title><author>Kuwabara, James S ; Arai, Yuji ; Topping, Brent R ; Pickering, Ingrid J ; George, Graham N</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a439t-ea37b6f78563de65ae358d0c1cb9f2f0cca48b41782a0cf378be2c28115305423</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Agnatha. 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Sci. Technol</addtitle><date>2007-04-15</date><risdate>2007</risdate><volume>41</volume><issue>8</issue><spage>2745</spage><epage>2749</epage><pages>2745-2749</pages><issn>0013-936X</issn><eissn>1520-5851</eissn><coden>ESTHAG</coden><abstract>Guadalupe Reservoir (GUA), California, and Lahontan Reservoir (LAH), Nevada, U.S. are both affected either directly or indirectly by the legacy of gold and silver mining in the Sierra Nevada during the nineteenth century. Analysis of total mercury in fish from these lentic systems consistently indicate elevated concentrations (>1 μg·g-1 wet weight; hereinafter, all concentrations are reported as wet weight unless indicated otherwise) well above the U.S. Environmenal Protection Agency's human consumption advisory level for fish (<0.3 μg·g-1). Replicate X-ray absorption near edge structure (XANES) analyses on largemouth bass and hybrid striped bass from GUA and LAH were performed to determine predominant chemical species of mercury accumulated by these high-trophic-level piscivores that are exposed to elevated mercury through trophic transfer in mining-impacted lentic systems. Despite distinct differences in mercury source, the proximity of the source, and concentrations of complexing ligands, results of XANES analysis clearly indicated that mercury accumulated in these individual fish from the two reservoirs were dominated by methylmercury cysteine complexes. These findings are consistent with results from commercial fish species inhabiting marine environments which are presumed to include differing mercury sources (e.g., atmospheric, hydrothermal, or benthic). The dominance of methylmercury cysteine complexes in muscle tissues of fish obtained from such contrasting environments and exposure conditions suggests that a generic toxicological model for the consumption of fish could be applicable over a wide range of ecologic settings.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><pmid>17533833</pmid><doi>10.1021/es0628856</doi><tpages>5</tpages></addata></record> |
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| identifier | ISSN: 0013-936X |
| ispartof | Environmental science & technology, 2007-04, Vol.41 (8), p.2745-2749 |
| issn | 0013-936X 1520-5851 |
| language | eng |
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| source | American Chemical Society:Jisc Collections:American Chemical Society Read & Publish Agreement 2022-2024 (Reading list) |
| subjects | Agnatha. Pisces Animal, plant and microbial ecology Animals Applied ecology Bass Biological and medical sciences Ecotoxicology, biological effects of pollution Environmental impact Environmental science Fish Fishes - physiology Fresh Water - chemistry Freshwater Fundamental and applied biological sciences. Psychology General aspects Mercury Mercury - chemistry Mercury - metabolism Micropterus salmoides Mining Morone saxatilis Predatory Behavior Reservoirs Vertebrates: general zoology, morphology, phylogeny, systematics, cytogenetics, geographical distribution Water Pollutants, Chemical - chemistry Water Pollutants, Chemical - metabolism Water Pollution Water Supply |
| title | Mercury Speciation in Piscivorous Fish from Mining-Impacted Reservoirs |
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