Ecological and biological factors associated to mercury accumulation in batoids (Chondrichthyes: Batoidea) from northeastern Brazil
The present study aims to understand how ecological and biological factors affect the Hg levels in stingrays occurring in the Northeastern Brazilian coast. Total mercury (Hg), methylmercury (MeHg) and stable isotope (δ13C and δ15N) analyses were performed in five species. Hypanus americanus and Gymn...
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| Veröffentlicht in: | Marine pollution bulletin 2020-12, Vol.161 (Pt A), p.111761, Article 111761 |
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| creator | Moura, Victor Lacerda Rabelo, Júlia Nunes Bezerra, Moisés Fernandes Silva, Guelson Batista da Faria, Vicente Vieira Rezende, Carlos Eduardo Bastos, Wanderley Rodrigues Lacerda, Luiz Drude de |
| description | The present study aims to understand how ecological and biological factors affect the Hg levels in stingrays occurring in the Northeastern Brazilian coast. Total mercury (Hg), methylmercury (MeHg) and stable isotope (δ13C and δ15N) analyses were performed in five species. Hypanus americanus and Gymnura micrura showed the highest total Hg concentrations (300 and 176 ng.g−1, respectively). Hypanus guttatus exhibited a significant correlation between total Hg and size. Both species of the genus Hypanus presented the highest percentage of MeHg, around 100%, whereas the other species showed median percentages below 50%. The δ13C and δ15N signatures suggest that all studied species present the same foraging habitat but different trophic positions. Trophic position and animal size were the main factors influencing total Hg and MeHg concentrations in batoid species. The genus Hypanus, present in the Brazilian fish markets, showed concentrations above the accepted limits for human consumption.
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•Hg, MeHg and stable isotopes (13C and 15N) is reported for 5 batoid species in the South Atlantic Ocean.•Animal size and diet were the main factors associated with Hg accumulation.•A small number of specimens presented Hg levels above safety limits of 1 μg.g−1.•Low risk of contamination in humans consuming reported species. |
| doi_str_mv | 10.1016/j.marpolbul.2020.111761 |
| format | Article |
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•Hg, MeHg and stable isotopes (13C and 15N) is reported for 5 batoid species in the South Atlantic Ocean.•Animal size and diet were the main factors associated with Hg accumulation.•A small number of specimens presented Hg levels above safety limits of 1 μg.g−1.•Low risk of contamination in humans consuming reported species.</description><identifier>ISSN: 0025-326X</identifier><identifier>EISSN: 1879-3363</identifier><identifier>DOI: 10.1016/j.marpolbul.2020.111761</identifier><identifier>PMID: 33126066</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Animals ; Bioaccumulation ; Biological Factors ; Brazil ; Dimethylmercury ; Environmental Monitoring ; Fish ; Fishes ; Food Chain ; Foraging ; Foraging habitats ; Humans ; Marine fishes ; MeHg ; Mercury ; Mercury (metal) ; Mercury - analysis ; Methyl mercury ; Methylmercury ; Methylmercury Compounds ; Species ; Stable isotopes ; Stingray ; Water Pollutants, Chemical - analysis</subject><ispartof>Marine pollution bulletin, 2020-12, Vol.161 (Pt A), p.111761, Article 111761</ispartof><rights>2020</rights><rights>Copyright © 2020. Published by Elsevier Ltd.</rights><rights>Copyright Elsevier BV Dec 2020</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c448t-bb418096e9abde6fd9ecac9cb518e789c11a0c874b003b2781d38ce4318509b43</citedby><cites>FETCH-LOGICAL-c448t-bb418096e9abde6fd9ecac9cb518e789c11a0c874b003b2781d38ce4318509b43</cites><orcidid>0000-0002-4788-4881</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0025326X20308791$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3536,27903,27904,65309</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33126066$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Moura, Victor Lacerda</creatorcontrib><creatorcontrib>Rabelo, Júlia Nunes</creatorcontrib><creatorcontrib>Bezerra, Moisés Fernandes</creatorcontrib><creatorcontrib>Silva, Guelson Batista da</creatorcontrib><creatorcontrib>Faria, Vicente Vieira</creatorcontrib><creatorcontrib>Rezende, Carlos Eduardo</creatorcontrib><creatorcontrib>Bastos, Wanderley Rodrigues</creatorcontrib><creatorcontrib>Lacerda, Luiz Drude de</creatorcontrib><title>Ecological and biological factors associated to mercury accumulation in batoids (Chondrichthyes: Batoidea) from northeastern Brazil</title><title>Marine pollution bulletin</title><addtitle>Mar Pollut Bull</addtitle><description>The present study aims to understand how ecological and biological factors affect the Hg levels in stingrays occurring in the Northeastern Brazilian coast. Total mercury (Hg), methylmercury (MeHg) and stable isotope (δ13C and δ15N) analyses were performed in five species. Hypanus americanus and Gymnura micrura showed the highest total Hg concentrations (300 and 176 ng.g−1, respectively). Hypanus guttatus exhibited a significant correlation between total Hg and size. Both species of the genus Hypanus presented the highest percentage of MeHg, around 100%, whereas the other species showed median percentages below 50%. The δ13C and δ15N signatures suggest that all studied species present the same foraging habitat but different trophic positions. Trophic position and animal size were the main factors influencing total Hg and MeHg concentrations in batoid species. The genus Hypanus, present in the Brazilian fish markets, showed concentrations above the accepted limits for human consumption.
[Display omitted]
•Hg, MeHg and stable isotopes (13C and 15N) is reported for 5 batoid species in the South Atlantic Ocean.•Animal size and diet were the main factors associated with Hg accumulation.•A small number of specimens presented Hg levels above safety limits of 1 μg.g−1.•Low risk of contamination in humans consuming reported species.</description><subject>Animals</subject><subject>Bioaccumulation</subject><subject>Biological Factors</subject><subject>Brazil</subject><subject>Dimethylmercury</subject><subject>Environmental Monitoring</subject><subject>Fish</subject><subject>Fishes</subject><subject>Food Chain</subject><subject>Foraging</subject><subject>Foraging habitats</subject><subject>Humans</subject><subject>Marine fishes</subject><subject>MeHg</subject><subject>Mercury</subject><subject>Mercury (metal)</subject><subject>Mercury - analysis</subject><subject>Methyl mercury</subject><subject>Methylmercury</subject><subject>Methylmercury Compounds</subject><subject>Species</subject><subject>Stable isotopes</subject><subject>Stingray</subject><subject>Water Pollutants, Chemical - analysis</subject><issn>0025-326X</issn><issn>1879-3363</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkE9vEzEQxS0EomnLVwBLXOCwqf9svF5ubdQCUqVeQOrNssezxNHuOtjeSuHKF2dDSq6cRjPz3jzNj5B3nC054-pquxxs2sXeTf1SMDFPOW8Uf0EWXDdtJaWSL8mCMbGqpFCPZ-Q85y1jrBENf03OpORCMaUW5PctxD7-CGB7akdPXTi1nYUSU6Y25wjBFvS0RDpggintqQWYhqm3JcSRhpE6W2LwmX5Yb-LoU4BN2ewxf6I3fxdoP9IuxYGOMZUN2lwwjfQm2V-hvySvOttnfPNcL8j3u9tv6y_V_cPnr-vr-wrqWpfKuZpr1ipsrfOoOt8iWGjBrbjGRrfAuWWgm9oxJp1oNPdSA9aS6xVrXS0vyPvj3V2KPyfMxWzjlMY50ohaa1GvWnlQNUcVpJhzws7sUphp7w1n5gDfbM0JvjnAN0f4s_Pt8_3JDehPvn-0Z8H1UYDzl08Bk8kQcAT0ISEU42P4b8gf3TqcoA</recordid><startdate>202012</startdate><enddate>202012</enddate><creator>Moura, Victor Lacerda</creator><creator>Rabelo, Júlia Nunes</creator><creator>Bezerra, Moisés Fernandes</creator><creator>Silva, Guelson Batista da</creator><creator>Faria, Vicente Vieira</creator><creator>Rezende, Carlos Eduardo</creator><creator>Bastos, Wanderley Rodrigues</creator><creator>Lacerda, Luiz Drude de</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><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>7ST</scope><scope>7T7</scope><scope>7TN</scope><scope>7TV</scope><scope>7U7</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>M7N</scope><scope>P64</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0002-4788-4881</orcidid></search><sort><creationdate>202012</creationdate><title>Ecological and biological factors associated to mercury accumulation in batoids (Chondrichthyes: Batoidea) from northeastern Brazil</title><author>Moura, Victor Lacerda ; Rabelo, Júlia Nunes ; Bezerra, Moisés Fernandes ; Silva, Guelson Batista da ; Faria, Vicente Vieira ; Rezende, Carlos Eduardo ; Bastos, Wanderley Rodrigues ; Lacerda, Luiz Drude de</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c448t-bb418096e9abde6fd9ecac9cb518e789c11a0c874b003b2781d38ce4318509b43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Animals</topic><topic>Bioaccumulation</topic><topic>Biological Factors</topic><topic>Brazil</topic><topic>Dimethylmercury</topic><topic>Environmental Monitoring</topic><topic>Fish</topic><topic>Fishes</topic><topic>Food Chain</topic><topic>Foraging</topic><topic>Foraging habitats</topic><topic>Humans</topic><topic>Marine fishes</topic><topic>MeHg</topic><topic>Mercury</topic><topic>Mercury (metal)</topic><topic>Mercury - analysis</topic><topic>Methyl mercury</topic><topic>Methylmercury</topic><topic>Methylmercury Compounds</topic><topic>Species</topic><topic>Stable isotopes</topic><topic>Stingray</topic><topic>Water Pollutants, Chemical - analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Moura, Victor Lacerda</creatorcontrib><creatorcontrib>Rabelo, Júlia Nunes</creatorcontrib><creatorcontrib>Bezerra, Moisés Fernandes</creatorcontrib><creatorcontrib>Silva, Guelson Batista da</creatorcontrib><creatorcontrib>Faria, Vicente Vieira</creatorcontrib><creatorcontrib>Rezende, Carlos Eduardo</creatorcontrib><creatorcontrib>Bastos, Wanderley Rodrigues</creatorcontrib><creatorcontrib>Lacerda, Luiz Drude de</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Oceanic Abstracts</collection><collection>Pollution Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Marine pollution bulletin</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Moura, Victor Lacerda</au><au>Rabelo, Júlia Nunes</au><au>Bezerra, Moisés Fernandes</au><au>Silva, Guelson Batista da</au><au>Faria, Vicente Vieira</au><au>Rezende, Carlos Eduardo</au><au>Bastos, Wanderley Rodrigues</au><au>Lacerda, Luiz Drude de</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Ecological and biological factors associated to mercury accumulation in batoids (Chondrichthyes: Batoidea) from northeastern Brazil</atitle><jtitle>Marine pollution bulletin</jtitle><addtitle>Mar Pollut Bull</addtitle><date>2020-12</date><risdate>2020</risdate><volume>161</volume><issue>Pt A</issue><spage>111761</spage><pages>111761-</pages><artnum>111761</artnum><issn>0025-326X</issn><eissn>1879-3363</eissn><abstract>The present study aims to understand how ecological and biological factors affect the Hg levels in stingrays occurring in the Northeastern Brazilian coast. Total mercury (Hg), methylmercury (MeHg) and stable isotope (δ13C and δ15N) analyses were performed in five species. Hypanus americanus and Gymnura micrura showed the highest total Hg concentrations (300 and 176 ng.g−1, respectively). Hypanus guttatus exhibited a significant correlation between total Hg and size. Both species of the genus Hypanus presented the highest percentage of MeHg, around 100%, whereas the other species showed median percentages below 50%. The δ13C and δ15N signatures suggest that all studied species present the same foraging habitat but different trophic positions. Trophic position and animal size were the main factors influencing total Hg and MeHg concentrations in batoid species. The genus Hypanus, present in the Brazilian fish markets, showed concentrations above the accepted limits for human consumption.
[Display omitted]
•Hg, MeHg and stable isotopes (13C and 15N) is reported for 5 batoid species in the South Atlantic Ocean.•Animal size and diet were the main factors associated with Hg accumulation.•A small number of specimens presented Hg levels above safety limits of 1 μg.g−1.•Low risk of contamination in humans consuming reported species.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>33126066</pmid><doi>10.1016/j.marpolbul.2020.111761</doi><orcidid>https://orcid.org/0000-0002-4788-4881</orcidid><oa>free_for_read</oa></addata></record> |
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| ispartof | Marine pollution bulletin, 2020-12, Vol.161 (Pt A), p.111761, Article 111761 |
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| subjects | Animals Bioaccumulation Biological Factors Brazil Dimethylmercury Environmental Monitoring Fish Fishes Food Chain Foraging Foraging habitats Humans Marine fishes MeHg Mercury Mercury (metal) Mercury - analysis Methyl mercury Methylmercury Methylmercury Compounds Species Stable isotopes Stingray Water Pollutants, Chemical - analysis |
| title | Ecological and biological factors associated to mercury accumulation in batoids (Chondrichthyes: Batoidea) from northeastern Brazil |
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