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Sensitivity of Dunaliella and Scenedesmus (Chlorophyceae) to chlorinated hydrocarbons

Elizabeth J. Luard

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Abstract

Dunaliella tertiolecta and Scenedesmus quadricauda, two algal species with quite different morphological characteristics, were tested for resistance to chlorinated hydrocarbons, as measured by carbon–14 uptake. Both species were found to be resistant to 2,2,–bis (p–chlorophenyl)–1,1,1–trichlorethane (DDT) and its analogs (103 ppb), but sensitive to polychlorinated biphenyl (PCB); Scenedesmus at 0.1 ppb, and Dunaliella at 102 ppb.

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What this paper is about

Dunaliella tertiolecta and Scenedesmus quadricauda, two algal species with quite different morphological characteristics, were tested for resistance to chlorinated hydrocarbons, as measured by carbon–14 uptake. Both species were found to be resistant to 2,2,–bis (p–chlorophenyl)–1,1,1–trichlorethane (DDT) and its analogs (103 ppb), but sensitive to polychlorinated biphenyl (PCB); Scenedesmus at 0.1 ppb, and Dunaliella at 102 ppb.

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OpenAlex reports 27 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

Dunaliella tertiolecta and Scenedesmus quadricauda, two algal species with quite different morphological characteristics, were tested for resistance to chlorinated hydrocarbons, as measured by carbon–14 uptake. Both species were found to be resistant to 2,2,–bis (p–chlorophenyl)–1,1,1–trichlorethane (DDT) and its analogs (103 ppb), but sensitive to polychlorinated biphenyl (PCB); Scenedesmus at 0.1 ppb, and Dunaliella at 102 ppb.

Key concepts: Chlorophyceae, Scenedesmus, Dunaliella, Biology, Algae, Botany, Chlorophyta, Biphenyl

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