Heavy metals in sediment and fish from two coastal lagoons of the Mexican Central Pacific

被引:3
作者
Ramirez-Ayala, Eduardo [1 ,2 ]
Arguello-Perez, Miguel A. [1 ]
Tintos-Gomez, Adrian [1 ,2 ]
Mendoza Perez, Jorge A. [3 ]
Diaz-Gomez, Juan A. [2 ]
Perez-Rodriguez, Rebeca Y. [4 ]
Nunez-Nogueira, Gabriel [5 ]
Sepulveda-Quiroz, Cesar A. [6 ]
Zepeda-Gonzalez, Francisco A. [2 ]
Lezama-Cervantes, Carlos [7 ]
机构
[1] Univ Guadalajara, Dept Studies Dev Coastal Zone, Biosystemat Ecol & Management Nat & Agr Resources, Sci, Guadalajara, Jalisco, Mexico
[2] Manzanillo Univ Technol, Tech Secretariat Acad Area, Renewable Energy Res Ctr, Colima, Mexico
[3] Natl Polytech Inst, Natl Sch Biol Sci, Mexico City, DF, Mexico
[4] Univ Guanajuato, Div Nat & Exact Sci, Dept Chem, DCNyE Spect Chromatog & Calorimetry Serv Lab, Guanajuato, Mexico
[5] Juarez Autonomous Univ Tabasco, Acad Div Biol Sci DACBiol, Hydrobiol & Aquat Pollut Lab, Villahermosa, Tabasco, Mexico
[6] Juarez Autonomous Univ Tabasco, Acad Div Biol Sci DACBiol, Lab Trop Aquaculture, Villahermosa, Tabasco, Mexico
[7] Univ Colima, Fac Marine Sci, Colima, Mexico
来源
LATIN AMERICAN JOURNAL OF AQUATIC RESEARCH | 2021年 / 49卷 / 05期
关键词
heavy metals; sediment; non-carcinogenic hazard quotient; fish intake; coastal lagoon; Mexico; GULF-OF-CALIFORNIA; HEALTH-RISK ASSESSMENT; ACCUMULATION FACTOR; MERCURY LEVELS; ECOSYSTEMS; POLLUTION; BIOACCUMULATION; METHYLMERCURY; CONTAMINATION; CONSUMPTION;
D O I
10.3856/vol49-issue5-fulltext-2628
中图分类号
S9 [水产、渔业];
学科分类号
0908 ;
摘要
The present work analyzed the concentration of As, Cd, Pb, and Hg in sediment and the Hg concentration in fish muscle from two coastal lagoons in the states of Jalisco (Barra de Navidad Lagoon) and Colima (Cuyutlan Lagoon), Mexico. Both lagoons showed relatively low levels of metal contamination and potential health risk compared to other Mexican areas. A non-carcinogenic hazard quotient (HQ) was determined. As (10.7 +/- 1.3 - 25.4 +/- 3.1 mu g g(-1)) and Pb (42.7 +/- 4.2 - 123.9 +/- 14.7 mu g g(-1)) concentrations exceeded the permissible levels, otherwise for Hg and Cd were below the limits. The highest total mercury concentration was found in Haemulopsis sp. and Lutjanus sp. with 0.23 and 0.1 mu g g(-1) (wet weight) respectively, out of 14 species of fish analyzed that are frequently consumed locally. HQ based on the national daily per capita consumption of fish in Mexico and the consumption of fish associated with fishing communities in Mexico showed an HQs >2, which manifests the vulnerability of these communities to persistent toxic and bioaccumulative contaminants.
引用
收藏
页码:818 / 827
页数:10
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