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Vertical variability of benthic foraminifera and trace elements in a tropical coastal lagoon in the Gulf of California

Sánchez González, Alberto [autor] | Gómez León, Adriana [autora] | Pérez Tribouillier, Habacuc [autor] | Rey Villiers, Néstor [autor] | Ortiz Hernández, Ma. Concepción [autora] | Rodríguez Figueroa, Griselda Margarita [autora] | Shumilin, Evgueni [autor].
Tipo de material: Artículo en línea Artículo en línea Tipo de contenido: Texto Tipo de medio: Computadora Tipo de portador: Recurso en líneaTema(s): Calidad ambiental | Ammonia beccarii | Retaria | Oligoelementos | Sedimentos fluviales | Crecimiento demográfico | Lagunas costerasTema(s) en inglés: Environmental quality | Ammonia beccarii | Retaria | Trace elements | Sedimento fluvial | Population growth | Coastal lagoonsDescriptor(es) geográficos: La Paz (Baja California Sur, México) Nota de acceso: Disponible para usuarios de ECOSUR con su clave de acceso En: Marine Pollution Bulletin. Volumen 158, artículo número 111417 (September 2020), páginas 1-9. --ISSN: 0025-326XNúmero de sistema: 7660Resumen:
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Population growth around water bodies is deteriorating environmental quality. The benthic foraminiferal and trace element concentration in a pair of short sediment cores were used to establish the quality of the sedimentary environment in a tropical coastal lagoon in the southwestern Gulf of California. From 25 cm depth towards the surface of the sediment core, Ammonia beccarii was dominant over nontolerant species and the concentrations of V, Ni, Co, Zn, Cu, Hg and Pb in the sediments increased compared with the lower depth intervals. This finding suggests a deterioration in the environmental quality of the lagoon since 1980, associated with an increase in the sizes of the population and vehicle fleet in the city of La Paz, Baja California Sur, and with the operation of three fossil fuel-based thermoelectric plants since 1985.

Recurso en línea: https://www-sciencedirect-com.ezproxy.ecosur.mx/science/article/pii/S0025326X2030535X?via%3Dihub
Lista(s) en las que aparece este ítem: María Concepción Ortiz Hernández
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Disponible para usuarios de ECOSUR con su clave de acceso

Population growth around water bodies is deteriorating environmental quality. The benthic foraminiferal and trace element concentration in a pair of short sediment cores were used to establish the quality of the sedimentary environment in a tropical coastal lagoon in the southwestern Gulf of California. From 25 cm depth towards the surface of the sediment core, Ammonia beccarii was dominant over nontolerant species and the concentrations of V, Ni, Co, Zn, Cu, Hg and Pb in the sediments increased compared with the lower depth intervals. This finding suggests a deterioration in the environmental quality of the lagoon since 1980, associated with an increase in the sizes of the population and vehicle fleet in the city of La Paz, Baja California Sur, and with the operation of three fossil fuel-based thermoelectric plants since 1985. eng

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