Copper and lead complexation by dissolved organic matter in Mar Menor coastal lagoon

Mar Menor coastal lagoon is a shallow system with a reduced exchange with the open sea, that is affected by several anthropogenic pressures, mainly agriculture and mining. The mining sierra of Cartagena-La Unión has been historically discharging mining waste rich in heavy metals in the south area of Mar Menor, resulting in high metal concentrations in sediments (García and Muñoz-Vera., 2015). The nutrients reaching the lagoon, together with the high temperatures, also provoke phytoplankton blooms that lead to high concentrations of dissolved organic matter (DOM). It is well known that total metal concentrations are not good predictors of their bioavailability, and metal speciation should be taken into account. The presence of ligands, such as DOM in the water, may form metal-DOM complexes and protect against the deleterious effects of metals. The present study aims at studying the effect of DOM on the speciation of dissolved metals (Cu and Pb) in Mar Menor waters.

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Sánchez-MarínP. Barber-Lluch E. Bernárdez P. Álvarez-Salgado X.A. y Santos-Echeandía J. Copper and lead complexation by dissolved organic matter in Mar Menor coastal lagoon. IEO-CSIC, 2022.

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Tipo de recurso Artículo
Fecha de creación 05-11-2024
Fecha de última modificación 05-11-2024
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Identificador de los metadatos 76ccbdfd-d187-568d-b176-20a0b91d6015
Idioma de los metadatos Español
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Categoría del conjunto de alto valor (HVD) Observación de la Tierra y medio ambiente
Categoría temática ISO 19115 biota
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Nombre del autor Sánchez-Marín,P., Barber-Lluch, E., Bernárdez, P., Álvarez-Salgado, X.A. y Santos-Echeandía, J.
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Email del autor paula.sanchez@ieo.es
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