Advanced search
Start date
Betweenand
Related content
(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Accumulation and distribution of metals in the tissues of two catfish species from Cananéia and Santos-São Vicente estuaries

Full text
Author(s):
Azevedo, Juliana de Souza [1] ; Hortellani, Marcos Antonio [1] ; de Souza Sarkis, Jorge Eduardo [1]
Total Authors: 3
Affiliation:
[1] Ctr Quim & Meio Ambiente, Inst Pesquisas Energet & Nucl, Sao Paulo - Brazil
Total Affiliations: 1
Document type: Journal article
Source: Brazilian Journal of Oceanography; v. 60, n. 4, p. 463-472, OCT-DEC 2012.
Web of Science Citations: 5
Abstract

Pb, Cd, Zn, and Cu concentrations and their distribution in liver, gill, and muscle tissues of the catfish Cathorops spixii and Genidens genidens were investigated in order to provide information concerning the bioaccumulation processes in these species. Fish were collected in one estuary subject to slight human influence (Cananéia) and in two regions within the Santos-São Vicente estuary, São Paulo, Brazil, subject to distinct anthropogenic influences: 1) industrial and 2) domestic. In general, the highest concentrations of Cu, Zn, Cd, and Pb were found in the liver tissue. Muscle showed the lowest values of metal accumulation for all the elements investigated. Regarding the distribution and the metal pollution index (MPI), the levels of the metals analyzed decreased in the following order: liver>gill>muscle. MPI results suggest that gill and liver are important organs to exemplify the bioaccumulation process and are also better able to reflect both recent and chronic exposure to metals. (AU)