Mercury in the bivalve Anadara ( Senilia) senilis from Ghana and Nigeria
Samples of the bivalve Anadara ( Senilia) senilis collected from a closed lagoon (Sakumo) and two open lagoons in Ghana (Benya and Ningo; n=550), and the Bonny river estuary in Nigeria ( n=620), were analyzed for their total and organic mercury content. Total mercury concentration showed significant...
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| Veröffentlicht in: | The Science of the total environment 1998-12, Vol.224 (1), p.181-188 |
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| creator | Joiris, Claude R Azokwu, Maureen I Otchere, Fred A Ali, Ishaque B |
| description | Samples of the bivalve
Anadara (
Senilia)
senilis collected from a closed lagoon (Sakumo) and two open lagoons in Ghana (Benya and Ningo;
n=550), and the Bonny river estuary in Nigeria (
n=620), were analyzed for their total and organic mercury content. Total mercury concentration showed significant spatial differences, with median values of 0.1 μg/g dry wt. in the closed lagoon, 0.2 in the estuary and 0.3 in the open lagoons. Concentration tended to be higher during the dry season in the lagoons, but lower in the estuary. The median relative organic concentration varied between 20 and 60% methyl Hg, depending on location and season. Age effects were detected in the lagoons, total Hg concentration decreasing with length. |
| doi_str_mv | 10.1016/S0048-9697(98)00355-6 |
| format | Article |
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Anadara (
Senilia)
senilis collected from a closed lagoon (Sakumo) and two open lagoons in Ghana (Benya and Ningo;
n=550), and the Bonny river estuary in Nigeria (
n=620), were analyzed for their total and organic mercury content. Total mercury concentration showed significant spatial differences, with median values of 0.1 μg/g dry wt. in the closed lagoon, 0.2 in the estuary and 0.3 in the open lagoons. Concentration tended to be higher during the dry season in the lagoons, but lower in the estuary. The median relative organic concentration varied between 20 and 60% methyl Hg, depending on location and season. Age effects were detected in the lagoons, total Hg concentration decreasing with length.</description><identifier>ISSN: 0048-9697</identifier><identifier>EISSN: 1879-1026</identifier><identifier>DOI: 10.1016/S0048-9697(98)00355-6</identifier><identifier>PMID: 9926434</identifier><identifier>CODEN: STENDL</identifier><language>eng</language><publisher>Shannon: Elsevier B.V</publisher><subject>Anadara ; Anadara senilis ; Animal, plant and microbial ecology ; Animals ; Applied ecology ; Biological and medical sciences ; Bivalves ; Ecotoxicology, biological effects of pollution ; Freshwater ; Fundamental and applied biological sciences. Psychology ; Ghana ; Marine and brackish environment ; Mercury ; Mercury - analysis ; Mollusca - chemistry ; Mollusca - growth & development ; Nigeria ; Seasons ; Shellfish - analysis ; Urbanization ; Water Pollution - analysis ; West Africa</subject><ispartof>The Science of the total environment, 1998-12, Vol.224 (1), p.181-188</ispartof><rights>1998 Elsevier Science B.V.</rights><rights>1999 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c451t-8fc46475a7071967eef8084d4858efd1070c8cf0dbaa40d67f33dffa42da86d93</citedby><cites>FETCH-LOGICAL-c451t-8fc46475a7071967eef8084d4858efd1070c8cf0dbaa40d67f33dffa42da86d93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/S0048-9697(98)00355-6$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3548,27923,27924,45994</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1659347$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/9926434$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Joiris, Claude R</creatorcontrib><creatorcontrib>Azokwu, Maureen I</creatorcontrib><creatorcontrib>Otchere, Fred A</creatorcontrib><creatorcontrib>Ali, Ishaque B</creatorcontrib><title>Mercury in the bivalve Anadara ( Senilia) senilis from Ghana and Nigeria</title><title>The Science of the total environment</title><addtitle>Sci Total Environ</addtitle><description>Samples of the bivalve
Anadara (
Senilia)
senilis collected from a closed lagoon (Sakumo) and two open lagoons in Ghana (Benya and Ningo;
n=550), and the Bonny river estuary in Nigeria (
n=620), were analyzed for their total and organic mercury content. Total mercury concentration showed significant spatial differences, with median values of 0.1 μg/g dry wt. in the closed lagoon, 0.2 in the estuary and 0.3 in the open lagoons. Concentration tended to be higher during the dry season in the lagoons, but lower in the estuary. The median relative organic concentration varied between 20 and 60% methyl Hg, depending on location and season. Age effects were detected in the lagoons, total Hg concentration decreasing with length.</description><subject>Anadara</subject><subject>Anadara senilis</subject><subject>Animal, plant and microbial ecology</subject><subject>Animals</subject><subject>Applied ecology</subject><subject>Biological and medical sciences</subject><subject>Bivalves</subject><subject>Ecotoxicology, biological effects of pollution</subject><subject>Freshwater</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Ghana</subject><subject>Marine and brackish environment</subject><subject>Mercury</subject><subject>Mercury - analysis</subject><subject>Mollusca - chemistry</subject><subject>Mollusca - growth & development</subject><subject>Nigeria</subject><subject>Seasons</subject><subject>Shellfish - analysis</subject><subject>Urbanization</subject><subject>Water Pollution - analysis</subject><subject>West Africa</subject><issn>0048-9697</issn><issn>1879-1026</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkEtLAzEQgIMoWh8_QchBpD2sJt1sHicRUStUPajnME0mGtnuatIW-u_dPtCjc5mB-ebBR8gpZxeccXn5wpjQhZFG9Y0eMFZWVSF3SI9rZQrOhnKX9H6RA3KY8yfrQmm-T_aNGUpRih4ZPWJy87SksaGzD6STuIB6gfS6AQ8JaJ--YBPrCAOa10WmIbVTev8BDVBoPH2K75giHJO9AHXGk20-Im93t683o2L8fP9wcz0unKj4rNDBCSlUBYopbqRCDJpp4YWuNAbPmWJOu8D8BEAwL1UoSx8CiKEHLb0pj8j5Zu9Xar_nmGd2GrPDuoYG23m2XJWVVGr4P1jK7pjWHVhtQJfanBMG-5XiFNLScmZXqu1atV15tEbbtWoru7nT7YH5ZIr-d2rrtuufbfuQHdQhQeNi_lsuK1MK1WFXGww7a4uIyWYXsXHoY0I3s76N_zzyAzf-mSE</recordid><startdate>19981211</startdate><enddate>19981211</enddate><creator>Joiris, Claude R</creator><creator>Azokwu, Maureen I</creator><creator>Otchere, Fred A</creator><creator>Ali, Ishaque B</creator><general>Elsevier B.V</general><general>Elsevier Science</general><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>7U7</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H97</scope><scope>L.G</scope></search><sort><creationdate>19981211</creationdate><title>Mercury in the bivalve Anadara ( Senilia) senilis from Ghana and Nigeria</title><author>Joiris, Claude R ; Azokwu, Maureen I ; Otchere, Fred A ; Ali, Ishaque B</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c451t-8fc46475a7071967eef8084d4858efd1070c8cf0dbaa40d67f33dffa42da86d93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1998</creationdate><topic>Anadara</topic><topic>Anadara senilis</topic><topic>Animal, plant and microbial ecology</topic><topic>Animals</topic><topic>Applied ecology</topic><topic>Biological and medical sciences</topic><topic>Bivalves</topic><topic>Ecotoxicology, biological effects of pollution</topic><topic>Freshwater</topic><topic>Fundamental and applied biological sciences. 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Anadara (
Senilia)
senilis collected from a closed lagoon (Sakumo) and two open lagoons in Ghana (Benya and Ningo;
n=550), and the Bonny river estuary in Nigeria (
n=620), were analyzed for their total and organic mercury content. Total mercury concentration showed significant spatial differences, with median values of 0.1 μg/g dry wt. in the closed lagoon, 0.2 in the estuary and 0.3 in the open lagoons. Concentration tended to be higher during the dry season in the lagoons, but lower in the estuary. The median relative organic concentration varied between 20 and 60% methyl Hg, depending on location and season. Age effects were detected in the lagoons, total Hg concentration decreasing with length.</abstract><cop>Shannon</cop><pub>Elsevier B.V</pub><pmid>9926434</pmid><doi>10.1016/S0048-9697(98)00355-6</doi><tpages>8</tpages></addata></record> |
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| issn | 0048-9697 1879-1026 |
| language | eng |
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| source | MEDLINE; Elsevier ScienceDirect Journals Collection |
| subjects | Anadara Anadara senilis Animal, plant and microbial ecology Animals Applied ecology Biological and medical sciences Bivalves Ecotoxicology, biological effects of pollution Freshwater Fundamental and applied biological sciences. Psychology Ghana Marine and brackish environment Mercury Mercury - analysis Mollusca - chemistry Mollusca - growth & development Nigeria Seasons Shellfish - analysis Urbanization Water Pollution - analysis West Africa |
| title | Mercury in the bivalve Anadara ( Senilia) senilis from Ghana and Nigeria |
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