heavy metal
; water pollutant
; bay
; Brazil
; environmental monitoring
; sediment
; water pollutant
; Bays
; Brazil
; Environmental Monitoring
; Geologic Sediments
; Metals, Heavy
; Water Pollutants, Chemical
Scopus学科分类:
Agricultural and Biological Sciences: Aquatic Science
; Earth and Planetary Sciences: Oceanography
; Environmental Science: Pollution
英文摘要:
Surface sediments were collected from Guanabara Bay, at 14 stations distributed in five sectors, over three sampling campaigns. Analyses of metals, grain size fractions and total organic carbon analyses were performed. The geo-accumulation index and the enrichment factor were estimated to assess contamination status based on background values. Additionally, the sediment quality guidelines were applied to evaluate the adverse biological effects. Results show that there was no seasonal variation in sediment quality based on any methodology, and all methods utilized showed that NW sector and HRJ sector were the worst affected and that the NE sector had the best conditions. The sediments of GB are polluted mainly by Cr, Pb and Zn. According to ΣSEM/AVS, these metals are not available to the biota, although toxicity tests dispute this. Among the various methods employed, those using background values for the area seem to best reflect the local historical contamination. � 2016 Elsevier Ltd
Departamento de Geoqu�mica, Universidade Federal Fluminense, Niter�i, RJ, Brazil; Departamento de Biologia Marinha, Universidade Federal Fluminense, Niter�i, RJ, Brazil; Universidade Estadual Paulista J�lio de Mesquita Filho, Campus Experimental do Litoral Paulista - CLP, S�o Vicente, SP, Brazil; Departamento de Oceanografia, Universidade Federal da Bahia, Salvador, BA, Brazil; Departamento de Qu�mica Anal�tica, Universidade Federal do Rio de Janeiro, Ilha do Fund�o, RJ, Brazil
Recommended Citation:
Abreu I.M.,Cordeiro R.C.,Soares-Gomes A.,et al. Ecological risk evaluation of sediment metals in a tropical Euthrophic Bay, Guanabara Bay, Southeast Atlantic[J]. Marine Pollution Bulletin,2016-01-01,109(1)