Heavy metal concentrations in the benthic trophic web of Martel Inlet, Admiralty Bay (King George Island, Antarctica)

Autor(es)

Trevizani, Tailisi Hoppe ^[1] ; Varella Petti, Monica Angelica ^[1] ; Ribeiro, Andreza Portella ^[2] ; Corbisier, Thais Navajas ^[1] ; Lopes Figueira, Rubens Cesar ^[1]

Afiliação do(s) autor(es)

^[1] Univ Sao Paulo, Oceanog Inst, Praca Oceanog 191, BR-05508120 Sao Paulo, SP - Brazil

^[2] Univ Nove Julho, Smart & Sustainable Cities Program, Sao Paulo, SP - Brazil

• Tipo de documento: Artigo Científico
• Fonte: Marine Pollution Bulletin; v. 130, p. 198-205, MAY 2018.
• Citações Web of Science: 7

Resumo

Knowledge of the metals behaviour in the Antarctic environment is important for conserving this continent, which can be impacted by local activities, such as research stations and by atmospheric and oceanic transport over long distances. As, Cd Cr, Cu, Hg, Ni, Pb and Zn levels and the nitrogen isotope ratio were investigated using benthic samples from Martel Inlet, Admiralty Bay. The results showed the biodilution of As and a tendency of increasing concentrations of Cd and Cu along the trophic web. Biomagnification was verified only for Zn, and this was attributed to its essentiality to the biota, and to the acting of metallothioneins proteins that participate in homeostasis, store and detoxify metals. These results can be used as baseline levels for the biota in the Antarctic region and assist the monitoring and management work developed by the Brazilian INCT-APA (National Institute of Science and Technology for Environmental Research Antarctic). (AU)

• Processo FAPESP: 12/08633-0 - Bioacumulação de metais pesados e avaliação da biomagnificação na biota da Baía do Almirantado, Ilha Rei George, Antártica.
• Beneficiário: Tailisi Hoppe Trevizani
• Modalidade de apoio: Bolsas no Brasil - Mestrado