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Effects and uptake of chlorinated naphthalenes in marine unicellular algae


A chlorinated naphthalene formulation that contained a mixture of mono-and dichloro isomers was more toxic to marine algae than were formulations of tri-, tetra-, penta-, and hexachloro isomers. However, uptake was directly related to chlorine content. The pentaand hexachloronaphthalenes are generally the most toxic to animals, and if algae were exposed to these compounds in nature, it is possible that they could serve as vehicles for transfer to aquatic animals. Transfer through food webs could begin with algae and result in effects at higher trophic levels.

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Publication No. 302 from the Gulf Breeze Laboratory.

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Walsh, G.E., Ainsworth, K.A. & Faas, L. Effects and uptake of chlorinated naphthalenes in marine unicellular algae. Bull. Environ. Contam. Toxicol. 18, 297–302 (1977).

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  • Chlorine Content
  • Thalassiosira Pseudonana
  • Chloronaphthalene
  • Pentachloro
  • Marine Unicellular Alga