Metal levels and foraminifera occurrence in sediment cores from Guanabara Bay, Rio de Janeiro, Brazil

被引：21
|
作者：
Kfouri, PBP
Figueira, RCL
Figueiredo, AMG
Souza, SHM
Eichler, BB
机构：
[1] Univ Sao Paulo, IOUSP, Inst Oceanograf, BR-05508000 Sao Paulo, SP, Brazil
[2] Univ Cruzeiro Sul, BR-08060070 Sao Paulo, SP, Brazil
[3] IPEN CNEN SP, Lab Anal Ativacao Neutrons, BR-05508 Sao Paulo, SP, Brazil
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2005年 / 265卷 / 03期
基金：
巴西圣保罗研究基金会;
关键词：
D O I：
10.1007/s10967-005-0849-8
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Guanabara Bay, located at Rio de Janeiro, is an example of an impacted coastal environment due to the high influx of industrial and domestic effluents. Four sediment cores were sampled in areas with different levels of pollution and were analyzed for trace elements and foraminifera for abundance. Instrumental neutron activation analysis (INAA) was used to determine As, Ba, Co, Cr, Fe, Sb, Sc, and Zn. The effects of metal concentrations in the benthic foraminifera were studied. The low concentrations of the benthic foraminifera and the dominance of opportunistic species in coastal regions such as Ammonia may be correlated to natural stress or anthropogenic impact.
引用
收藏
页码：459 / 466
页数：8
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