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Hydrobiologia

, Volume 556, Issue 1, pp 357–362 | Cite as

Growth and Filament Length of the Bloom Forming Oscillatoria simplicissima (Oscillatoriales, Cyanophyta) in Varying N and P Concentrations

  • Mikaela KruskopfEmail author
  • Sandra Du Plessis
Short Research Note

Abstract

The growth of the bloom forming cyanobacterial species Oscillatoria simplicissima Gomont from the Vaal River, South Africa, was studied under varying N and P concentrations. It was found that this species responds morphologically to N or P limitation by decreasing the length of its filaments. Especially in N-depleted treatments the length of the filaments decreased significantly, and production of hormogonia increased, when compared to filaments grown in nutrient replete conditions.

Keywords

filament length hormogonia nitrate Oscillatoria simplicissima phosphate Vaal River 

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Copyright information

© Springer 2006

Authors and Affiliations

  1. 1.Biota BDTurkuFinland
  2. 2.School of Environmental Sciences and DevelopmentNorth-West University PotchefstroomPotchefstroomSouth Africa

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