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Part of book or chapter of book . 2005 . Peer-reviewed
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Elementos traza en suelos y plantas del estero Domingo Rubio, margen izquierda del río Tinto, Huelva

Authors: Burgos, Pilar; Girón Moreno, Ignacio F.; Murillo Carpio, José Manuel; Madejón, Engracia; Cabrera, Francisco;

Elementos traza en suelos y plantas del estero Domingo Rubio, margen izquierda del río Tinto, Huelva

Abstract

[ES]: El estero Domingo Rubio está situado en la margen izquierda de la desembocadura del río Tinto (37º 12’ N, 6º 54’ W, Palos de la Frontera, Huelva). Tiene 6 km de longitud, una anchura máxima de 1 km y ocupa una extensión de 480 ha. Este estero es un sistema típico de marisma salobre sometido a una clara influencia mareal, con un régimen semidiario de inundación. Actualmente, debido a la colmatación, la influencia mareal sólo afecta al curso bajo del estero, habiéndose modificado sus cursos medio y alto hacia un ambiente de carácter lacustre. El estero se encuentra sometido a diversos impactos ambientales: las aguas contaminadas con elementos traza del río Tinto y las pluviales y de drenaje de los terrenos en los que se ubican diversas industrias químicas y agrícolas. En el presente estudio se ha puesto de manifiesto que la contaminación con As, Cd, Cu, Cr, Ni, Pb y Zn de los suelos está altamente relacionada con la salinidad: aumenta aguas abajo del estero, siendo muy importante en el tramo mareal. Sin embargo, en las plantas (Halimione, Astrhocnemun, Tamarix y Paspalum), sólo se encuentran algunos valores Cu y Cr ligeramente superiores a los considerados normales. Especies típicamente acumuladoras de elementos traza, como Cistus y Salix, en zonas de baja contaminación, muestran ligeras acumulaciones de Cd, Cu, Cr, Mn y Zn.

[EN]: The Domingo Rubio tidal channel is a small estuary (6 km long, 1 km of maximum width, 480 ha) located in the left bank of the mouth of the Tinto river (37º 12’ N, 6º 54’ W, Palos de la Frontera, Huelva). Domingo Rubio estuary is a typical marsh system with a semidiurnal tidal regime. Nowadays, because of the infilling process, the tidal only affects the low course of the tidal channel, while the middle and high course become a like lake environment. The estuary is affected by the water of the Tinto river, contaminated with trace elements, and by the rain and drainage waters from the land in which different chemical and agricultural industries are located. We have found that soil contamination by As, Cd, Cu, Cr, Ni, Pb and Zn is highly correlated with soil salinity; it increases seaward and is very high in the tidal stretch of the estuary. However, in plants (Halimione, Astrhocnemun, Tamarix y Paspalum), we only found some values of Cu and Cr slightly higher than those considered normal in plant tissue. Samples of Cistus and Salix – typical trace element accumulator species - from areas of low contamination showed slight accumulation of Cd, Cu, Cr, Mn and Zn.

5 páginas, 4 figuras, 1 tabla, 13 referencias.-- Trabajo presentado al II Simposio Nacional sobre Control de la Degradación de Suelos, celebrado del 6-8 de julio 2005, en Madrid, España.

Peer reviewed

Keywords

Trace elements, Contaminación de suelos, Soil contamination, Estero, Elementos traza, Tidal channel, Plants, Plantas

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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