Oecologia

, Volume 6, Issue 3, pp 289–292

A circadian rhythm in Daphnia magna

  • J. Ringelberg
  • Hanneke Servaas
Short Communications

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Literature

  1. Aschoff, J. (ed.): Circadian clocks. Amsterdam: North-Holland Publ. Co. 1965.Google Scholar
  2. Enright, J. J., Hamner, W. M.: Vertical diurnal migration and endogenous rhythmicity. Science N.Y. 157, 937–941 (1967).Google Scholar
  3. Harris, J. E.: The role of endogenous rhythms in vertical migration. J. marine biol. Ass. U. K. 43, 153–166 (1963).Google Scholar
  4. Ringelberg, J., Kasteel, J. van, Servaas, H.: The sensitivity of Daphnia magna Straus to changes in light intensity at various adaptation levels and its implication in diurnal vertical migration. Z. vergl. Physiol. 56, 397–407 (1967).Google Scholar

Copyright information

© Springer-Verlag 1971

Authors and Affiliations

  • J. Ringelberg
    • 1
  • Hanneke Servaas
    • 1
  1. 1.Laboratory of Animal PhysiologyUniversity of AmsterdamThe Netherlands

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