Journal
SCIENCE OF THE TOTAL ENVIRONMENT
Volume 345, Issue 1-3, Pages 41-49Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.scitotenv.2004.10.026
Keywords
trace elements; Octopus vulgaris; tissues; geographical variation; Portuguese coast
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The concentrations of V, Mn, Fe, Ni, Cu, Zn, As, Se, Mo, and Pb were measured in digestive gland (DG), branchial hearts (BH), gill (G), and muscle (M) of Octopus vulgaris Cuvier, 1797 caught in three fishing areas of the Portuguese coast, Viana do Castelo, Cascais, and Santa Luzia, for 2 years. The elemental concentrations measured for the different tissues were in accordance with values reported in the literature. The digestive gland presented high concentration levels of Fe, Cu, and Zn, while the branchial hearts showed elevated levels of V, Ni, Mo, as well as Fe and Cu. Significant variations in As, V, Cu, Mo, and Pb tissue concentrations were observed for animals originated from different sampling sites. Pb and As determined in the digestive gland and branchial hearts of animals from Cascais and Santa Luzia, can reflect local environmental characteristics. The variability observed in the elemental concentrations may be useful to further assess the specie susceptibility to environmental conditions. (c) 2004 Elsevier B.V. All rights reserved.
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