Total mercury in sediments and in Brazilian Ariidae catfish from two estuaries under different anthropogenic influence

被引：47

作者：

Azevedo, Juliana S. ^{[1
]}

Braga, Elisabete S. ^{[1
]}

Favaro, Deborah T. ^{[2
]}

Perretti, Adriana R. ^{[1
]}

Rezende, Carlos Eduardo ^{[3
]}

Souza, Cristina Maria M. ^{[3
]}

机构：

[1] Univ Sao Paulo, Inst Oceanog, Sao Paulo, Brazil

[2] IPEN CNEN SP, Sao Paulo, Brazil

[3] Univ Estadual Norte Fluminense, Lab Ciencias Ambientais, Ctr Biociencias & Biotecnol, Campos Dos Goytacazes, RJ, Brazil

来源：

MARINE POLLUTION BULLETIN | 2011年 / 62卷 / 12期

基金：

巴西圣保罗研究基金会;

关键词：

Mercury; Catfish; Cathorops spixii; Brazilian estuaries; Sediment; Water chemistry; TRACE-METALS; SAO-PAULO; POLLUTION; CONTAMINATION; SYSTEM; FISH; BIOINDICATOR; VICENTE; SANTOS; STATE;

D O I：

10.1016/j.marpolbul.2011.09.015

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Santos-Sao Vicente estuary, located in Sao Paulo State, Brazil, has a history of contamination by inorganic chemicals such as mercury (Hg). In the 1980s the Cubatao was considered one of the most polluted sites in the world as a consequence of the intense industrial activities located in the city close to the estuary. To provide data and evaluate the local biota, total mercury (THg) contents were determined in sediments and in fish, Cathorops spixii, from different areas of the Santos-Sao Vicente estuary. For comparison, samples were also collected in a non-polluted system with similar hydrochemistry characteristics, the Cananeia estuary. The water characteristics and THg levels in sediment and fish samples confirmed a high human influence in the Santos-Sao Vicente estuary. The lowest THg values, observed in Cananeia, were evidence of low anthropogenic influence. High values observed in Santos-Sao Vicente show the necessity for a monitoring program. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：2724 / 2731

页数：8

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