Lead and cadmium levels in coastal benthic algae (seaweeds) of Tenerife,Canary Islands |
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Authors: | Lozano Gonzalo Hardisson Arturo Gutiérrez Angel José Lafuente María Anunciación |
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Affiliation: | Department of Animal Biology (Marine Sciences), Faculty of Biology, University of La Laguna, 38206 Tenerife, Canary Islands, La Laguna, Spain. glozano@ull.es |
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Abstract: | Lead and cadmium levels of some species of brown-algae (Phaeophyta) from the mesolittoral (intertidal area) of the Island of Tenerife (central-eastern Atlantic) were determined by Atomic Absorption Spectrometry. The quality control was carried out using a standard "CRM 279 Ulva lactuca".The mean, minimum and maximum concentrations were 11.21, 2.090 and 81.795 microg/g/dw; and 1.13, 0.190 and 5.130 microg/g/dw for lead and cadmium, respectively. The fact that samples registering the highest cadmium concentrations were the same as those which showed the highest lead level corresponding to a sampling station nearby an urban water outlet could be relevant. |
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