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Evaluation of biometry and blood concentration of heavy metals in free-living Chelonia mydas with and without fibropapillomatosis in southern Brazil

The present study determined the presence of heavy metals in green sea turtles with and without fibropapillomatosis in Itapirubá and Cassino beaches, southern Brazil. The weight, curved length of the carapace and body index were determined and blood was collected to quantify the concentrations of ca...

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Published in:Marine pollution bulletin 2023-05, Vol.190, p.114879-114879, Article 114879
Main Authors: Pérez, Yohany Arnold Alfonso, Lima, Samara Rosolem, Souza, Gustavo Martinez, Gião, Thayana, Bispo, Felipe J.S., Reis, Ana Maria Ferreira, da Silva Leite, Juliana, da Silva, Kássia Valéria Gomes Coelho
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cited_by cdi_FETCH-LOGICAL-c371t-c409b0873dff1fa9f7716fb036ec7eb720b690662a5f4df216cf71be65b79eb83
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container_end_page 114879
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container_title Marine pollution bulletin
container_volume 190
creator Pérez, Yohany Arnold Alfonso
Lima, Samara Rosolem
Souza, Gustavo Martinez
Gião, Thayana
Bispo, Felipe J.S.
Reis, Ana Maria Ferreira
da Silva Leite, Juliana
da Silva, Kássia Valéria Gomes Coelho
description The present study determined the presence of heavy metals in green sea turtles with and without fibropapillomatosis in Itapirubá and Cassino beaches, southern Brazil. The weight, curved length of the carapace and body index were determined and blood was collected to quantify the concentrations of cadmium, lead and mercury. A total of 51 blood samples were analyzed, being 46 positives for at least one of the metals. There was a greater number of juvenile turtles in Itapirubá, larger in size and weight than those in Cassino. No statistical differences were found between metal concentrations between regions or between turtles with and without fibropapillomatosis. There was no significant correlation between metal concentrations, biometric variables and the presence of fibropapilomatose. Metal concentrations were low in both regions, with the highest concentrations being Cd and the lowest Hg. •Southern Brazil is a region for developing of juvenile green sea turtles.•Green sea turtles from southern Brazil are exposed to pollutants in their environment.•Low prevalence of fibropapillomatosis may not be related to concentrations of heavy metals in blood, but to environmental quality.
doi_str_mv 10.1016/j.marpolbul.2023.114879
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1879-3363
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source Elsevier
subjects Animals
Biometry
Brazil
Cadmium
Chelonians
Lead
Mercury
Metals, Heavy
Southern Brazil
Turtles
title Evaluation of biometry and blood concentration of heavy metals in free-living Chelonia mydas with and without fibropapillomatosis in southern Brazil
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