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Resumen del producto
Sánchez-González, A., A., Gómez-León, H., Pérez-Tribouillier, N., Rey-Villers, M.C., Ortiz-Hernández, G., Rodríguez-Figueroa & E., Shumilin
(2020).
Vertical variability of benthic foraminifera and trace elements in a tropical coastal lagoon in the Gulf of California.
Marine Pollution Bulletin.
158: 111417.
DOI: 10.1016/j.marpolbul.2020.111417.
Vertical variability of benthic foraminifera and trace elements in a tropical coastal lagoon in the Gulf of California
Alberto Sánchez-González, Adriana Gómez-León, Habacuc Pérez-Tribouillier, Néstor Rey-Villers, Ma. Concepcion Ortiz-Hernández, Griselda Rodríguez-Figueroa y Evgueni Shumilin
Population growth around water bodies is deteriorating environmental quality. The benthic foraminiferal andtrace element concentration in a pair of short sediment cores were used to establish the quality of the sedimentaryenvironment in a tropical coastal lagoon in the southwestern Gulf of California. From 25 cm depthtowards the surface of the sediment core, Ammonia beccarii was dominant over nontolerant species and theconcentrations of V, Ni, Co, Zn, Cu, Hg and Pb in the sediments increased compared with the lower depthintervals. This finding suggests a deterioration in the environmental quality of the lagoon since 1980, associatedwith an increase in the sizes of the population and vehicle fleet in the city of La Paz, Baja California Sur, and withthe operation of three fossil fuel-based thermoelectric plants since 1985.
Palabras clave: Benthic foraminifera; Ammonia. Nontolerant species; Trace elements; Gulf of California; Environmental quality
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