Mercury in algae of the Canary Islands littoral |
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Authors: | A Hardisson I Frías A de BonisG Lozano A Bez |
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Institution: | A. Hardisson, I. Frías, A. de BonisG. Lozano,A. Báez |
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Abstract: | The concentrations of Hg in three groups of algae (Phaeophyta, Chlorophyta, and Rhodophyta) found in the Canary Islands littoral were determined. The mean concentrations found were, respectively: Phaeophyta: 0.13 mg kg−1 (range 0.01 to 2.30 mg kg−1); Chlorophyta: 0.13 (range 0.025 to 0.36 mg kg−1); Rhodophyta: 0.11 mg kg−1 (range 0.02 to 0.28 mg kg−1). There are no relevant differences in the contents of Hg at group level and at species level, only a sample of Phaeophyta presents an abnormally high concentration (>1 mg kg−1), corresponding to a sampling station nearby an urban drain. |
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