Impact of polycyclic aromatic hydrocarbons in mangroves from the Colombian pacific coast: Evaluation in sediments and bivalves

被引：18

作者：

Angulo-Cuero, Jesus ^{[1
]}

Tadeu Grassi, Marco ^{[2
]}

Garrett Dolatto, Rafael ^{[2
]}

Palacio-Cortes, Angela Maria ^{[3
]}

Rosero-Moreano, Milton ^{[4
]}

Aristizabal, Beatriz H. ^{[1
]}

机构：

[1] Univ Nacl Colombia, Hydraul Engn & Environm Res Grp GTAIHA, Carrera 27, Manizales 6460, Colombia

[2] Univ Fed Parana UFPR, Dept Quim, Curitiba, Parana, Brazil

[3] Univ Fed Parana UFPR, Programa Posgrad Entomol, Curitiba, Parana, Brazil

[4] Univ Caldas, Fac Ciencias Exactas & Nat, Dept Quim, Grupo Invest Cromatog & Tecn Afine GICTA, Calle 65 26-10, Manizales, Colombia

来源：

MARINE POLLUTION BULLETIN | 2021年 / 172卷 / 172期

关键词：

Bivalve; Sediment; Mangrove; Coastal pollution; Anadara tuberculosa; Tumaco-Colombia; SURFACE SEDIMENTS; ORGANIC-MATTER; PAHS; BAY; BIOACCUMULATION; ESTUARY; CONTAMINATION; PARENT; SEA;

D O I：

10.1016/j.marpolbul.2021.112828

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Bivalves and sediments were sampled from mangroves in the Pacific Coast of Colombia to evaluate the concentrations of the 16 polycyclic aromatic hydrocarbons (PAHs) prioritized by U.S.EPA. Mangroves are highly vulnerable to anthropogenic activities, such as oil spills, which affect sediments and the organisms that depend on that ecosystem. Twelve samples of mangrove and non-mangrove (sandy) sediments and 20 samples of Anadara tuberculosa from mangrove were collected in marine and estuarine areas. In sediments and A. tuberculosa, the highest concentration of Sigma 16PAHs was found in estuarine mangroves close to the Rosario River mouth, ranging from 171.4 to 564.0 ng g(-1) and 31.0 to 169.0 ng g(-1), respectively. For the bivalve, the concentrations showed less variability than sediment, with 25% and 20% of bivalve samples exceeding the limits established by the European Regulatory Commission and Ministry of Health and Social Protection of Colombia, respectively, which can cause effects on people's health. The PAHs isomeric ratios determined in sediments indicated that these compounds were originated mainly from petrogenic sources. The PAHs profile reveals the dominance of 3 and 4 rings PAHs in sediments and dominance of 4 rings PAHs in bivalves.

引用

页数：10

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