The Tropical Brown Alga Lobophora variegata (Lamouroux) Womersley: A Prospective Bioindicator for Ag Contamination in Tropical Coastal Waters | Zendy

Marc Métian | Zendy; Michel Warnau | Zendy

Open Access

The Tropical Brown Alga Lobophora variegata (Lamouroux) Womersley: A Prospective Bioindicator for Ag Contamination in Tropical Coastal Waters

Author(s) -

Marc Métian,

Michel Warnau

Publication year - 2008

Publication title -

bulletin of environmental contamination and toxicology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.543

H-Index - 70

eISSN - 1432-0800

pISSN - 0007-4861

DOI - 10.1007/s00128-008-9513-7

Subject(s) - bioindicator , environmental chemistry , contamination , ecotoxicology , environmental science , biology , chemistry , botany , ecology

Uptake and depuration kinetics of dissolved silver were determined in the brown alga Lobophora variegata, using radiotracer techniques. Results indicate that this widely distributed alga could be a useful bioindicator species for surveying silver contamination in tropical environments. Indeed, results showed that the alga readily concentrates silver (algal concentration of silver was 7,000 times higher than in water after a 28-day exposure) and retains it efficiently within its tissues (biological half-life: 72 +/- 4 days).

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