Source of detritus and toxic elements of seabed sediments from Acapulco Bay (southern Mexico) and their ecological risk

Total concentrations of Ba, Cd, Co, Cr, Cu, Mn, Ni, Pb, V, Zn, and As together with Sr and Pb isotopic compositions of seabed sediments from the worldwide famous tourist destination of Acapulco Bay, Guerrero (southern Mexico) were determined to reveal the origin of detritus and toxic elements (TEs),...

Full description

Saved in:
Bibliographic Details
Published in:Marine pollution bulletin 2021-11, Vol.172, p.112797-112797, Article 112797
Main Authors: Soledad, Bahena-Román Marbella, Oscar, Talavera-Mendoza, Sergio, García-Ibáñez, Alicia, Sarmiento-Villagrana, José Luis, Aguirre-Noyola, Adrián, Salgado-Souto Sergio, Catalina, Gómez-Espinosa, Víctor, Rosas-Guerrero
Format: Article
Language:English
Subjects:
Acapulco Guerrero, Mexico
Anthropogenic factors
Chromium
Copper
Detritus
Ecology
Enrichment factor
Environmental risk
Granite
Isotopes
Lead
Manganese
Mineralogical characterization
Nickel
Ocean floor
Risk
Sediment
Sediments
Ships
Source of toxic elements
Sr-Pb isotopes
Zinc
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Total concentrations of Ba, Cd, Co, Cr, Cu, Mn, Ni, Pb, V, Zn, and As together with Sr and Pb isotopic compositions of seabed sediments from the worldwide famous tourist destination of Acapulco Bay, Guerrero (southern Mexico) were determined to reveal the origin of detritus and toxic elements (TEs), their potential natural and anthropogenic sources, elemental distribution and their ecological risk. Sediments derive entirely from the nearby Acapulco Granite and their concentrations of TEs are variable and rather low, although, several are above the Local Geochemical Baseline in some sites of the bay. The enrichment factor (EF) and Pb isotopes indicate that TEs derive from the Acapulco Granite with contributions of an anthropogenic source represented, very likely, by ship-bottom paints. Wastewaters are a significant source of Pb and Cu. The ecological risk of TEs is low and only Cu represents a moderate ecological risk in a few sites. [Display omitted] •Detritus of seabed sediments from the Acapulco Bay are of local provenance.•Bottom-ship paint is the most important anthropogenic source of TEs.•Untreated urban water is an additional source of Pb and Zn.•The eastern zone of the Acapulco Bay recorded the highest contamination.•The ecological risk of TEs is low to moderate.
ISSN:0025-326X
1879-3363
DOI:10.1016/j.marpolbul.2021.112797