Mercury in the sea turtle Chelonia mydas (Linnaeus, 1958) from Ceará coast, NE Brazil

Mercury in the sea turtle Chelonia mydas (Linnaeus, 1958) from Ceará coast, NE Brazil

Mercury concentrations in carapace fragments of the green turtle Chelonia mydas from the Ceará coast in NE Brazil are reported. Concentrations varied from <0.34 to 856.6 ng.g -1 d.w., and were highest (average of 154.8 ng.g -1 d.w.) in juveniles (n = 22), whereas lowest concentrations (average of 2.5 ng.g -1 d.w.) were observed in adult/sub-adult animals (n = 3). There was a significant negative correlation between animal size and Hg concentration probably due to different diets between juveniles and sub-adults/adults. Carapace fragments, which are non-invasive, non-lethal substrates, may be of importance for monitoring purposes of these generally endangered species.

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Main Authors: Bezerra,Moisés F., Lacerda,Luiz D., Costa,Breno G.B., Lima,Eduardo H.S.M.
Format: Digital revista
Language:English
Published: Academia Brasileira de Ciências 2012
Online Access:http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652012000100012
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spelling oai:scielo:S0001-376520120001000122012-05-22Mercury in the sea turtle Chelonia mydas (Linnaeus, 1958) from Ceará coast, NE BrazilBezerra,Moisés F.Lacerda,Luiz D.Costa,Breno G.B.Lima,Eduardo H.S.M. Pollution metals marine turtles monitoring Mercury concentrations in carapace fragments of the green turtle Chelonia mydas from the Ceará coast in NE Brazil are reported. Concentrations varied from <0.34 to 856.6 ng.g -1 d.w., and were highest (average of 154.8 ng.g -1 d.w.) in juveniles (n = 22), whereas lowest concentrations (average of 2.5 ng.g -1 d.w.) were observed in adult/sub-adult animals (n = 3). There was a significant negative correlation between animal size and Hg concentration probably due to different diets between juveniles and sub-adults/adults. Carapace fragments, which are non-invasive, non-lethal substrates, may be of importance for monitoring purposes of these generally endangered species.info:eu-repo/semantics/openAccessAcademia Brasileira de CiênciasAnais da Academia Brasileira de Ciências v.84 n.1 20122012-03-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652012000100012en10.1590/S0001-37652012005000002
institution SCIELO
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country Brasil
countrycode BR
component Revista
access En linea
databasecode rev-scielo-br
tag revista
region America del Sur
libraryname SciELO
language English
format Digital
author Bezerra,Moisés F.
Lacerda,Luiz D.
Costa,Breno G.B.
Lima,Eduardo H.S.M.
spellingShingle Bezerra,Moisés F.
Lacerda,Luiz D.
Costa,Breno G.B.
Lima,Eduardo H.S.M.
Mercury in the sea turtle Chelonia mydas (Linnaeus, 1958) from Ceará coast, NE Brazil
author_facet Bezerra,Moisés F.
Lacerda,Luiz D.
Costa,Breno G.B.
Lima,Eduardo H.S.M.
author_sort Bezerra,Moisés F.
title Mercury in the sea turtle Chelonia mydas (Linnaeus, 1958) from Ceará coast, NE Brazil
title_short Mercury in the sea turtle Chelonia mydas (Linnaeus, 1958) from Ceará coast, NE Brazil
title_full Mercury in the sea turtle Chelonia mydas (Linnaeus, 1958) from Ceará coast, NE Brazil
title_fullStr Mercury in the sea turtle Chelonia mydas (Linnaeus, 1958) from Ceará coast, NE Brazil
title_full_unstemmed Mercury in the sea turtle Chelonia mydas (Linnaeus, 1958) from Ceará coast, NE Brazil
title_sort mercury in the sea turtle chelonia mydas (linnaeus, 1958) from ceará coast, ne brazil
description Mercury concentrations in carapace fragments of the green turtle Chelonia mydas from the Ceará coast in NE Brazil are reported. Concentrations varied from <0.34 to 856.6 ng.g -1 d.w., and were highest (average of 154.8 ng.g -1 d.w.) in juveniles (n = 22), whereas lowest concentrations (average of 2.5 ng.g -1 d.w.) were observed in adult/sub-adult animals (n = 3). There was a significant negative correlation between animal size and Hg concentration probably due to different diets between juveniles and sub-adults/adults. Carapace fragments, which are non-invasive, non-lethal substrates, may be of importance for monitoring purposes of these generally endangered species.
publisher Academia Brasileira de Ciências
publishDate 2012
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652012000100012
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