Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/48040
Title: Gastropod molluscs as indicators of the cadmium natural inputs in the Canarian Archipelago (Eastern Atlantic Ocean)
Authors: Ramírez Cañada,Rubén 
Collado, C. 
Bergasa, Oscar 
Hernández Brito, José Joaquín 
Gelado, M. D. 
UNESCO Clasification: 2401 Biología animal (zoología)
330811 Control de la contaminación del agua
Keywords: Canary Islands
Heavy metals
Cadmium
Gastropod molluscs
Patella rustica, et al
Issue Date: 2006
Publisher: 1743-3525
Journal: WIT Transactions on Biomedicine and Health 
Conference: 1st International Conference on Environmental Toxicology 
1st International Conference on Environmental Toxicology 2006, ETOX06 
Abstract: Nowadays, gastropod molluscs are being utilized more and more as bioindicator organisms. Similarly, harmful metals on human health such as cadmium have been widely studied. The Canarian Archipelago (specifically the eastern islands) is constantly bathed by the African coastal upwelling, provoking oceanographic and biological differences between the islands. This process could assume an increase in the Cd concentration in their coastal waters and in the biota. Thus, in order to assess this fact, we measured cadmium concentrations in the soft parts of two species of limpets (Patella rustica and Patella candei crenata) and in a topshell snail (Osilinus atrata). Metal determination was performed using atomic absorption spectrometry (AAS). We found significant differences for metal concentrations between the eastern islands and the western islands for all species. P. rustica, P. c. crenata and O. atrata presented values ranging from 7.71, 2.11 and 7.56 µg g -1 dry wt. (eastern islands) to 1.38, 0.4 and 1.08 µg g -1 dry wt. (western islands) respectively. Therefore, we concluded that limpets and topshell snails seem to be suitable indicators of the cadmium concentrations in the coastal waters of the Canary Islands.
URI: http://hdl.handle.net/10553/48040
ISBN: 1-84564-045-4
9781845640453
ISSN: 1743-3525
DOI: 10.2495/ETOX060201
Source: WIT Transactions on Biomedicine and Health [ISSN 1743-3525], v. 10, p. 203-211
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