Exploration of the phycoremediation potential of Laminaria digitata towards diflubenzuron, lindane, copper and cadmium in a multitrophic pilot-scale experiment

Patrícia Anacleto, Freek H M van den Heuvel, C Oliveira, Rie Romme Rasmussen, José O Fernandes, Jens Jørgen Sloth, Vera Barbosa, Ricardo N Alves, António Marques, Sara C Cunha

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

The presence of contaminants in aquatic ecosystems can cause serious problems to the environment and marine organisms. This study aims to evaluate the phycoremediation capacity of macroalgae Laminaria digitata for pesticides (diflubenzuron and lindane) and toxic elements (cadmium and copper) in seawater with the presence or absence of mussels. The photosynthetic activity was monitored in the macroalgae to assess its "physiological status". The results showed that the presence of algae decreased diflubenzuron concentration in mussels by 70% after 120 h of exposure. Additionally, this macroalgae was efficient to reduce lindane, Cu and Cd in seawater; even though not was able to reduce these contaminants in mussels. The studied pollutants did not affect the physiological status of algae. This study reveals that the application of phycoremediation with macroalgae can be an useful and effective mitigation strategy to remove/decrease contaminant levels from the aquatic environment.
Original languageEnglish
JournalFood and Chemical Toxicology
Volume104
Pages (from-to)95-108
ISSN0278-6915
DOIs
Publication statusPublished - 2017

Keywords

  • Algae
  • Mussels
  • Pesticides
  • Phycoremediation
  • Seawater
  • Toxic elements

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