Mercury bioaccumulation in the spotted dogfish (Scyliorhinus canicula) from the Atlantic Ocean
The annual and life-cycle mercury bioaccumulation pattern in selected tissues of the economically relevant Elasmobranchii species Scyliorhinus canicula was studied, and the risks associated with its consumption evaluated. Preferential mercury bioaccumulation occurred in muscle tissue, and followed t...
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| Veröffentlicht in: | Marine pollution bulletin 2010-08, Vol.60 (8), p.1372-1375 |
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| creator | Coelho, J.P. Santos, H. Reis, A.T. Falcão, J. Rodrigues, E.T. Pereira, M.E. Duarte, A.C. Pardal, M.A. |
| description | The annual and life-cycle mercury bioaccumulation pattern in selected tissues of the economically relevant Elasmobranchii species Scyliorhinus canicula was studied, and the risks associated with its consumption evaluated.
Preferential mercury bioaccumulation occurred in muscle tissue, and followed the order muscle>heart>liver>gills>pancreas. Total mercury in muscle tissue ranged from 0.13mgkg−1 (wwt) in 1+year old males to 0.8mgkg−1 (wwt) in 8+ year old mature females, with no significant differences found between genders, and no clear lifespan bioaccumulation pattern observed, except for mature females. Organic mercury in the muscle ranged from 0.05mgkg−1 (wwt) to 0.52mgkg−1 (wwt), corresponding to an average of 70% of total mercury content. In mature females, a significant correlation (R=0.99, P=0.01) was found between size and organic mercury fraction, suggesting reproduction as an important factor controlling organic mercury bioaccumulation in the spotted dogfish. |
| doi_str_mv | 10.1016/j.marpolbul.2010.05.008 |
| format | Article |
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Preferential mercury bioaccumulation occurred in muscle tissue, and followed the order muscle>heart>liver>gills>pancreas. Total mercury in muscle tissue ranged from 0.13mgkg−1 (wwt) in 1+year old males to 0.8mgkg−1 (wwt) in 8+ year old mature females, with no significant differences found between genders, and no clear lifespan bioaccumulation pattern observed, except for mature females. Organic mercury in the muscle ranged from 0.05mgkg−1 (wwt) to 0.52mgkg−1 (wwt), corresponding to an average of 70% of total mercury content. In mature females, a significant correlation (R=0.99, P=0.01) was found between size and organic mercury fraction, suggesting reproduction as an important factor controlling organic mercury bioaccumulation in the spotted dogfish.</description><subject>Agnatha. Pisces</subject><subject>Animal, plant and microbial ecology</subject><subject>Animals</subject><subject>Applied ecology</subject><subject>Atlantic Ocean</subject><subject>Bioaccumulation</subject><subject>Biological and medical sciences</subject><subject>Dogfish</subject><subject>Economics</subject><subject>Ecotoxicology, biological effects of pollution</subject><subject>Effects of pollution and side effects of pesticides on vertebrates</subject><subject>Elasmobranchii</subject><subject>Environmental Monitoring</subject><subject>Female</subject><subject>Females</subject><subject>Fishes - metabolism</subject><subject>Fundamental and applied biological sciences. 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Pisces</topic><topic>Animal, plant and microbial ecology</topic><topic>Animals</topic><topic>Applied ecology</topic><topic>Atlantic Ocean</topic><topic>Bioaccumulation</topic><topic>Biological and medical sciences</topic><topic>Dogfish</topic><topic>Economics</topic><topic>Ecotoxicology, biological effects of pollution</topic><topic>Effects of pollution and side effects of pesticides on vertebrates</topic><topic>Elasmobranchii</topic><topic>Environmental Monitoring</topic><topic>Female</topic><topic>Females</topic><topic>Fishes - metabolism</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Gender differentiation</topic><topic>Gills - metabolism</topic><topic>Lifespan bioaccumulation pattern</topic><topic>Liver - metabolism</topic><topic>Male</topic><topic>Marine</topic><topic>Mercury</topic><topic>Mercury - metabolism</topic><topic>Metal body distribution</topic><topic>Muscles</topic><topic>Muscles - metabolism</topic><topic>Myocardium - metabolism</topic><topic>Pancreas - metabolism</topic><topic>Pollution abatement</topic><topic>Reproduction</topic><topic>Scyliorhinus canicula</topic><topic>Sex Factors</topic><topic>Water Pollutants, Chemical - metabolism</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Coelho, J.P.</creatorcontrib><creatorcontrib>Santos, H.</creatorcontrib><creatorcontrib>Reis, A.T.</creatorcontrib><creatorcontrib>Falcão, J.</creatorcontrib><creatorcontrib>Rodrigues, E.T.</creatorcontrib><creatorcontrib>Pereira, M.E.</creatorcontrib><creatorcontrib>Duarte, A.C.</creatorcontrib><creatorcontrib>Pardal, M.A.</creatorcontrib><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>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>MEDLINE - Academic</collection><collection>Aqualine</collection><collection>Environment Abstracts</collection><collection>Oceanic 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><collection>Environment Abstracts</collection><jtitle>Marine pollution bulletin</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Coelho, J.P.</au><au>Santos, H.</au><au>Reis, A.T.</au><au>Falcão, J.</au><au>Rodrigues, E.T.</au><au>Pereira, M.E.</au><au>Duarte, A.C.</au><au>Pardal, M.A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Mercury bioaccumulation in the spotted dogfish (Scyliorhinus canicula) from the Atlantic Ocean</atitle><jtitle>Marine pollution bulletin</jtitle><addtitle>Mar Pollut Bull</addtitle><date>2010-08-01</date><risdate>2010</risdate><volume>60</volume><issue>8</issue><spage>1372</spage><epage>1375</epage><pages>1372-1375</pages><issn>0025-326X</issn><eissn>1879-3363</eissn><coden>MPNBAZ</coden><abstract>The annual and life-cycle mercury bioaccumulation pattern in selected tissues of the economically relevant Elasmobranchii species Scyliorhinus canicula was studied, and the risks associated with its consumption evaluated.
Preferential mercury bioaccumulation occurred in muscle tissue, and followed the order muscle>heart>liver>gills>pancreas. Total mercury in muscle tissue ranged from 0.13mgkg−1 (wwt) in 1+year old males to 0.8mgkg−1 (wwt) in 8+ year old mature females, with no significant differences found between genders, and no clear lifespan bioaccumulation pattern observed, except for mature females. Organic mercury in the muscle ranged from 0.05mgkg−1 (wwt) to 0.52mgkg−1 (wwt), corresponding to an average of 70% of total mercury content. In mature females, a significant correlation (R=0.99, P=0.01) was found between size and organic mercury fraction, suggesting reproduction as an important factor controlling organic mercury bioaccumulation in the spotted dogfish.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><pmid>20541227</pmid><doi>10.1016/j.marpolbul.2010.05.008</doi><tpages>4</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Agnatha. Pisces Animal, plant and microbial ecology Animals Applied ecology Atlantic Ocean Bioaccumulation Biological and medical sciences Dogfish Economics Ecotoxicology, biological effects of pollution Effects of pollution and side effects of pesticides on vertebrates Elasmobranchii Environmental Monitoring Female Females Fishes - metabolism Fundamental and applied biological sciences. Psychology Gender differentiation Gills - metabolism Lifespan bioaccumulation pattern Liver - metabolism Male Marine Mercury Mercury - metabolism Metal body distribution Muscles Muscles - metabolism Myocardium - metabolism Pancreas - metabolism Pollution abatement Reproduction Scyliorhinus canicula Sex Factors Water Pollutants, Chemical - metabolism |
| title | Mercury bioaccumulation in the spotted dogfish (Scyliorhinus canicula) from the Atlantic Ocean |
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