Dietary mercury exposure and bioaccumulation in amphibian larvae inhabiting Carolina bay wetlands
Inorganic mercury and methylmercury concentrations were measured both in guts and remaining carcasses of southern leopard frog ( Rana sphenocephala) larvae from 10 Carolina bay wetlands in South Carolina, USA. Significant variation among bays in methylmercury and inorganic mercury concentrations exi...
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| Veröffentlicht in: | Environmental pollution (1987) 2005-05, Vol.135 (2), p.245-253 |
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| creator | Unrine, J.M. Jagoe, C.H. Brinton, A.C. Brant, H.A. Garvin, N.T. |
| description | Inorganic mercury and methylmercury concentrations were measured both in guts and remaining carcasses of southern leopard frog (
Rana sphenocephala) larvae from 10 Carolina bay wetlands in South Carolina, USA. Significant variation among bays in methylmercury and inorganic mercury concentrations existed both in guts and carcasses. There was a moderate negative correlation between dissolved organic carbon concentration in bays and mean inorganic mercury concentrations in guts. There was also a weak positive correlation between pH in bays and mean methylmercury concentrations in carcasses. The ratio of methylmercury to inorganic mercury decreased with increasing total mercury concentration in guts and in larvae, but the rate of decrease was highly variable among bays. Ratios of concentrations in carcasses to concentrations in guts were inversely related to gut concentration. Mercury concentrations in carcasses in some bays were within the range of concentrations at which adverse effects have been observed in laboratory studies of
R. sphenocephala.
Tadpoles accumulate significant concentrations of mercury in isolated wetlands. |
| doi_str_mv | 10.1016/j.envpol.2004.11.003 |
| format | Article |
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Rana sphenocephala) larvae from 10 Carolina bay wetlands in South Carolina, USA. Significant variation among bays in methylmercury and inorganic mercury concentrations existed both in guts and carcasses. There was a moderate negative correlation between dissolved organic carbon concentration in bays and mean inorganic mercury concentrations in guts. There was also a weak positive correlation between pH in bays and mean methylmercury concentrations in carcasses. The ratio of methylmercury to inorganic mercury decreased with increasing total mercury concentration in guts and in larvae, but the rate of decrease was highly variable among bays. Ratios of concentrations in carcasses to concentrations in guts were inversely related to gut concentration. Mercury concentrations in carcasses in some bays were within the range of concentrations at which adverse effects have been observed in laboratory studies of
R. sphenocephala.
Tadpoles accumulate significant concentrations of mercury in isolated wetlands.</description><identifier>ISSN: 0269-7491</identifier><identifier>EISSN: 1873-6424</identifier><identifier>DOI: 10.1016/j.envpol.2004.11.003</identifier><identifier>PMID: 15734584</identifier><identifier>CODEN: ENVPAF</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Amphibia ; Amphibian ; Animal, plant and microbial ecology ; Animals ; Applied ecology ; Biological and medical sciences ; Ecotoxicology, biological effects of pollution ; Food Contamination - analysis ; Freshwater ; frogs ; Fundamental and applied biological sciences. Psychology ; General aspects ; Hydrogen-Ion Concentration ; Intestines - metabolism ; Larva - metabolism ; Mercury ; Mercury - pharmacokinetics ; Methylmercury Compounds - pharmacokinetics ; nonpoint source pollution ; Rana sphenocephala ; Ranidae - metabolism ; Speciation ; Tissue Distribution ; Trophic transfer ; Water Pollutants, Chemical - pharmacokinetics ; water pollution ; Wetland</subject><ispartof>Environmental pollution (1987), 2005-05, Vol.135 (2), p.245-253</ispartof><rights>2004 Elsevier Ltd</rights><rights>2005 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c445t-2703d1e7afb6ee6deb8189666380220c6756638cb934ab484d42f7853f2244d53</citedby><cites>FETCH-LOGICAL-c445t-2703d1e7afb6ee6deb8189666380220c6756638cb934ab484d42f7853f2244d53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.envpol.2004.11.003$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3548,27922,27923,45993</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=16593679$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/15734584$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Unrine, J.M.</creatorcontrib><creatorcontrib>Jagoe, C.H.</creatorcontrib><creatorcontrib>Brinton, A.C.</creatorcontrib><creatorcontrib>Brant, H.A.</creatorcontrib><creatorcontrib>Garvin, N.T.</creatorcontrib><title>Dietary mercury exposure and bioaccumulation in amphibian larvae inhabiting Carolina bay wetlands</title><title>Environmental pollution (1987)</title><addtitle>Environ Pollut</addtitle><description>Inorganic mercury and methylmercury concentrations were measured both in guts and remaining carcasses of southern leopard frog (
Rana sphenocephala) larvae from 10 Carolina bay wetlands in South Carolina, USA. Significant variation among bays in methylmercury and inorganic mercury concentrations existed both in guts and carcasses. There was a moderate negative correlation between dissolved organic carbon concentration in bays and mean inorganic mercury concentrations in guts. There was also a weak positive correlation between pH in bays and mean methylmercury concentrations in carcasses. The ratio of methylmercury to inorganic mercury decreased with increasing total mercury concentration in guts and in larvae, but the rate of decrease was highly variable among bays. Ratios of concentrations in carcasses to concentrations in guts were inversely related to gut concentration. Mercury concentrations in carcasses in some bays were within the range of concentrations at which adverse effects have been observed in laboratory studies of
R. sphenocephala.
Tadpoles accumulate significant concentrations of mercury in isolated wetlands.</description><subject>Amphibia</subject><subject>Amphibian</subject><subject>Animal, plant and microbial ecology</subject><subject>Animals</subject><subject>Applied ecology</subject><subject>Biological and medical sciences</subject><subject>Ecotoxicology, biological effects of pollution</subject><subject>Food Contamination - analysis</subject><subject>Freshwater</subject><subject>frogs</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General aspects</subject><subject>Hydrogen-Ion Concentration</subject><subject>Intestines - metabolism</subject><subject>Larva - metabolism</subject><subject>Mercury</subject><subject>Mercury - pharmacokinetics</subject><subject>Methylmercury Compounds - pharmacokinetics</subject><subject>nonpoint source pollution</subject><subject>Rana sphenocephala</subject><subject>Ranidae - metabolism</subject><subject>Speciation</subject><subject>Tissue Distribution</subject><subject>Trophic transfer</subject><subject>Water Pollutants, Chemical - pharmacokinetics</subject><subject>water pollution</subject><subject>Wetland</subject><issn>0269-7491</issn><issn>1873-6424</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kE1v1DAQhi0EotvCP0DgC70l-Ct2ckGqlk-pEgfo2Zo4k9arJA52stB_j1dZqTdOMxo976vRQ8gbzkrOuP5wKHE6zmEoBWOq5LxkTD4jO14bWWgl1HOyY0I3hVENvyCXKR1YBqWUL8kFr4xUVa12BD55XCA-0hGjW_PEv3NIa0QKU0dbH8C5dVwHWHyYqJ8ojPODbz1MdIB4BMy3B2j94qd7uocYBj8BbeGR_sFlyB3pFXnRw5Dw9Xlekbsvn3_tvxW3P75-39_cFk6paimEYbLjaKBvNaLusK153WitZc2EYE6b6rS7tpEKWlWrTone1JXshVCqq-QVud565xh-r5gWO_rkcMhPYFiT5Zo3WcAJVBvoYkgpYm_n6MfswHJmT2rtwW5q7Umt5dxmtTn29ty_tiN2T6Gzywy8PwOQHAx9hMn59MTpqpHaNJl7t3E9BAv3MTN3PwXjkrGmloybTHzcCMy-jh6jTc7j5LDzEd1iu-D__-s__ryi_A</recordid><startdate>20050501</startdate><enddate>20050501</enddate><creator>Unrine, J.M.</creator><creator>Jagoe, C.H.</creator><creator>Brinton, A.C.</creator><creator>Brant, H.A.</creator><creator>Garvin, N.T.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>FBQ</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>7QH</scope><scope>7SN</scope><scope>7TV</scope><scope>7U7</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H97</scope><scope>L.G</scope></search><sort><creationdate>20050501</creationdate><title>Dietary mercury exposure and bioaccumulation in amphibian larvae inhabiting Carolina bay wetlands</title><author>Unrine, J.M. ; Jagoe, C.H. ; Brinton, A.C. ; Brant, H.A. ; Garvin, N.T.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c445t-2703d1e7afb6ee6deb8189666380220c6756638cb934ab484d42f7853f2244d53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Amphibia</topic><topic>Amphibian</topic><topic>Animal, plant and microbial ecology</topic><topic>Animals</topic><topic>Applied ecology</topic><topic>Biological and medical sciences</topic><topic>Ecotoxicology, biological effects of pollution</topic><topic>Food Contamination - analysis</topic><topic>Freshwater</topic><topic>frogs</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>General aspects</topic><topic>Hydrogen-Ion Concentration</topic><topic>Intestines - metabolism</topic><topic>Larva - metabolism</topic><topic>Mercury</topic><topic>Mercury - pharmacokinetics</topic><topic>Methylmercury Compounds - pharmacokinetics</topic><topic>nonpoint source pollution</topic><topic>Rana sphenocephala</topic><topic>Ranidae - metabolism</topic><topic>Speciation</topic><topic>Tissue Distribution</topic><topic>Trophic transfer</topic><topic>Water Pollutants, Chemical - pharmacokinetics</topic><topic>water pollution</topic><topic>Wetland</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Unrine, J.M.</creatorcontrib><creatorcontrib>Jagoe, C.H.</creatorcontrib><creatorcontrib>Brinton, A.C.</creatorcontrib><creatorcontrib>Brant, H.A.</creatorcontrib><creatorcontrib>Garvin, N.T.</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Aqualine</collection><collection>Ecology Abstracts</collection><collection>Pollution Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Environmental pollution (1987)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Unrine, J.M.</au><au>Jagoe, C.H.</au><au>Brinton, A.C.</au><au>Brant, H.A.</au><au>Garvin, N.T.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Dietary mercury exposure and bioaccumulation in amphibian larvae inhabiting Carolina bay wetlands</atitle><jtitle>Environmental pollution (1987)</jtitle><addtitle>Environ Pollut</addtitle><date>2005-05-01</date><risdate>2005</risdate><volume>135</volume><issue>2</issue><spage>245</spage><epage>253</epage><pages>245-253</pages><issn>0269-7491</issn><eissn>1873-6424</eissn><coden>ENVPAF</coden><abstract>Inorganic mercury and methylmercury concentrations were measured both in guts and remaining carcasses of southern leopard frog (
Rana sphenocephala) larvae from 10 Carolina bay wetlands in South Carolina, USA. Significant variation among bays in methylmercury and inorganic mercury concentrations existed both in guts and carcasses. There was a moderate negative correlation between dissolved organic carbon concentration in bays and mean inorganic mercury concentrations in guts. There was also a weak positive correlation between pH in bays and mean methylmercury concentrations in carcasses. The ratio of methylmercury to inorganic mercury decreased with increasing total mercury concentration in guts and in larvae, but the rate of decrease was highly variable among bays. Ratios of concentrations in carcasses to concentrations in guts were inversely related to gut concentration. Mercury concentrations in carcasses in some bays were within the range of concentrations at which adverse effects have been observed in laboratory studies of
R. sphenocephala.
Tadpoles accumulate significant concentrations of mercury in isolated wetlands.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><pmid>15734584</pmid><doi>10.1016/j.envpol.2004.11.003</doi><tpages>9</tpages></addata></record> |
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| source | MEDLINE; ScienceDirect Journals (5 years ago - present) |
| subjects | Amphibia Amphibian Animal, plant and microbial ecology Animals Applied ecology Biological and medical sciences Ecotoxicology, biological effects of pollution Food Contamination - analysis Freshwater frogs Fundamental and applied biological sciences. Psychology General aspects Hydrogen-Ion Concentration Intestines - metabolism Larva - metabolism Mercury Mercury - pharmacokinetics Methylmercury Compounds - pharmacokinetics nonpoint source pollution Rana sphenocephala Ranidae - metabolism Speciation Tissue Distribution Trophic transfer Water Pollutants, Chemical - pharmacokinetics water pollution Wetland |
| title | Dietary mercury exposure and bioaccumulation in amphibian larvae inhabiting Carolina bay wetlands |
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