NDLI: Integrated sediment quality assessment in Paranaguá Estuarine System, Southern Brazil.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Choueri, R. B. Cesar, A. Torres, R. J. Abessa, D. M. S. Morais, R. D. Pereira, C. D. S. Nascimento, M. R. L. Mozeto, A. A. Riba, I. DelValls, T. A.
Spatial Coverage	Brazil
Description	Country affiliation: Spain Author Affiliation: Choueri RB ( Cátedra UNESCO/UNITWIN/WiCop, Department of Physical Chemistry, Faculty of Marine and Environmental Sciences, University of Cádiz, CP. 11510, Puerto Real, Cádiz, Spain.)
Abstract	Sediment quality from Paranaguá Estuarine System (PES), a highly important port and ecological zone, was evaluated by assessing three lines of evidence: (1) sediment physical-chemical characteristics; (2) sediment toxicity (elutriates, sediment-water interface, and whole sediment); and (3) benthic community structure. Results revealed a gradient of increasing degradation of sediments (i.e. higher concentrations of trace metals, higher toxicity, and impoverishment of benthic community structure) towards inner PES. Data integration by principal component analysis (PCA) showed positive correlation between some contaminants (mainly As, Cr, Ni, and Pb) and toxicity in samples collected from stations located in upper estuary and one station placed away from contamination sources. Benthic community structure seems to be affected by both pollution and natural fine characteristics of the sediments, which reinforces the importance of a weight-of-evidence approach to evaluate sediments of PES.
File Format	HTM / HTML
ISSN	01476513
Issue Number	7
Volume Number	72
e-ISSN	10902414
Journal	Ecotoxicology and Environmental Safety
Language	English
Publisher	Elsevier
Publisher Date	2009-10-01
Publisher Place	Netherlands
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Environmental Sciences Conservation Of Natural Resources Environmental Monitoring Methods Geologic Sediments Analysis Water Pollutants, Chemical Toxicity Wetlands Amphipoda Drug Effects Animals Brazil Statistics & Numerical Data Metals, Heavy Polychlorinated Biphenyls Polycyclic Hydrocarbons, Aromatic Principal Component Analysis Sea Urchins Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Pollution Health, Toxicology and Mutagenesis Public Health, Environmental and Occupational Health

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