Aproximación a los riesgos derivados de la presencia de residuos mineros en saladares del entorno del Mar Menor: dinámica de metales pesados y arsénico y su acumulación en plantas y moluscos
Author
María Cervantes, AntonioDirector/a
Álvarez Rogel, JoséUniversity
Universidad Politécnica de CartagenaFecha de lectura
2009-06-19Publication date
2009-06-19Publisher
Antonio María CervantesKeywords
Residuo mineroMar Menor
Sedimento
Heavy metals
Molusco
Mollussc
Carmoli
Mining wate
Lo Poyo
Sediment
Abstract
[SPA] El Mar Menor, localizado en el sureste de España, es una de las lagunas costeras
más grandes de Europa y del Mediterráneo. A pesar de las diversas figuras de protección medioambiental que obstenta, esta laguna y sus humedales asociados se encuentran afectados por diversas actividades antrópicas, entre las que destacan la
presencia de residuos mineros procedentes de la antigua zona minera de Cartagena-La
Unión, transportados y depositados durante los periodos de lluvias torrenciales a través
de las ramblas que drenan ese área. Como caso de estudio, el presente trabajo se centra en dos saladares, la Marina
del Carmolí y Lo Poyo, y en la línea de costa del Mar Menor asociada a ambos parajes. [ENG] The present work focuses on two salt marshes, the Marina del Carmolí and Lo Poyo, and along the shoreline of the Mar Menor associated to both wetlands. Due to the activities that population develops in the area, which include harvesting of plants for feeding and adornment, sheepherding, capture of molluscs for eating, several recreational activities, and bathing, there may be some risks of toxicity and transfer of heavy metals and arsenic to the food chain. Thus, it was proposed a project with the following aims: (1) To carry out a first approximation to the risks of toxicity associated with the presence of heavy metals and arsenic in these environments, including their transfer to the food chain. (2) To study the biogeochemical processes associated with mobilization-immobilization of those toxic elements in the studied wetlands, under different flooding regimes either with or without rhizosphere. (3) To establish recommendations for use to preserve these ecosystems and reduce the ...
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