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Title: | Heavy metal concentrations in Squilla mantis (L.) (Crustacea, Stomatopoda) from the Gulf of Cádiz: Evaluation of the impact of the Aznalcollar mining spill |
Authors: | Blasco, Julián CSIC ORCID ; Arias, Alberto M. CSIC ORCID; Sáenz-Arreucoechea, Verónica CSIC | Keywords: | Heavy metals Mining spill Crustacean Squilla mantis Gulf of Cadiz |
Issue Date: | 22-Apr-2002 | Publisher: | Elsevier | Citation: | Environment International 28(1-2): 111-116 (2002) | Abstract: | After the Aznalcóllar mining spill (25th April 1998), considerable social concern arose amongst the inhabitants of the SW Iberian Peninsula concerning the consumption of local seafood. Squilla mantis was collected in four regions of the Gulf of Cádiz with a dual objective: to analyze the heavy metal levels for human consumption and as part of biomonitoring program. Heavy metal concentrations (Fe, Mn, Zn, Cu, Cd and Pb) were analyzed in soft tissues and cuticle. The highest values were found in the soft tissues for zinc, copper and cadmium and in the cuticle for iron, manganese and lead. The mean copper concentration in the soft tissue, corresponding to the edible part, was 27.1 μg·g−1 wet weight. Approximately 80% of stations showed values higher than 20 μg·g−1 wet weight of copper, the Spanish legal limit for the concentration of this metal in the crustacean for human consumption. For Zn and Cu no significant differences were found between regions, probably related with the capacity for regulation of S. mantis. The highest values found for copper in the Gulf of Cádiz compared to other areas is likely to be related with contamination from terrestrial mining activities (copper and pyrites) in the region, dating back to the times of Tartessians and Romans, rather than the effects of mining spill which was shown not to create any significant increases in heavy metal concentrations of organisms of the Guadalquivir River or the adjacent coastal area. | Description: | 6 páginas, 3 figuras, 2 tablas. | Publisher version (URL): | http://dx.doi.org/10.1016/S0160-4120(02)00014-4 | URI: | http://hdl.handle.net/10261/43511 | DOI: | 10.1016/S0160-4120(02)00014-4 | ISSN: | 0160-4120 | E-ISSN: | 1873-6750 |
Appears in Collections: | (ICMAN) Artículos |
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