Evidence of Sublethal Damage in Daphnia (Cladocera) during Exposure to Solar UV Radiation in Subarctic Ponds

Iris D. Zellmer; Michael T. Arts; Doris Abele; Klaus Humbeck

doi:10.1657/1523-0430(2004)036[0370:EOSDID]2.0.CO;2

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1 August 2004 Evidence of Sublethal Damage in Daphnia (Cladocera) during Exposure to Solar UV Radiation in Subarctic Ponds

Iris D. Zellmer, Michael T. Arts, Doris Abele, Klaus Humbeck

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Arctic, Antarctic, and Alpine Research, 36(3):370-377 (2004). https://doi.org/10.1657/1523-0430(2004)036[0370:EOSDID]2.0.CO;2

Abstract

Daphnia was collected from five subarctic ponds which differed greatly in their DOC contents and, consequently, their underwater light (UV) climates. Irrespective of which Daphnia species was present, and contrary to expectations, the ponds with the lowest DOC concentrations (highest UV radiation levels) contained Daphnia with the highest eicosapentaenoic acid (EPA) concentrations. In addition, EPA concentrations in these Daphnia generally decreased in concert with seasonally increasing DOC concentrations.

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Iris D. Zellmer, Michael T. Arts, Doris Abele, and Klaus Humbeck "Evidence of Sublethal Damage in Daphnia (Cladocera) during Exposure to Solar UV Radiation in Subarctic Ponds," Arctic, Antarctic, and Alpine Research 36(3), 370-377, (1 August 2004). https://doi.org/10.1657/1523-0430(2004)036[0370:EOSDID]2.0.CO;2

Published: 1 August 2004

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