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Contemporary Problems of Ecology

, Volume 9, Issue 5, pp 554–562 | Cite as

Horizontal distribution of the cell abundance and toxicity of Microcystis in a hypereutrophic Moroccan reservoir

  • S. Samoudi
  • D. Latour
  • J. Robin
  • M. Sabart
  • B. Misson
  • H. Ait Hammou
  • Kh. Mouhri
  • M. Loudiki
Article

Abstract

The first results of the horizontal distribution of the cell abundance and toxicity of Microcystis in the hypereutrophic Moroccan reservoir Lalla Takerkoust are reported. An unexpected spatio-temporal heterogeneity has been shown between Microcystis abundance and microcystins concentrations. The principal determining factors were analyzed in order to identify the most likely sites for the proliferation and/or accumulation of Microcystis in this reservoir. The horizontal heterogeneity seems to be mainly influenced by the wind direction and inflows. The results can serve as reference data for monitoring cyanobacterial water blooms and associated cyanotoxins in the lake.

Keywords

reservoir Microcystis microcystins spatial heterogeneity wind nutrients inflow of water 

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Copyright information

© Pleiades Publishing, Ltd. 2016

Authors and Affiliations

  • S. Samoudi
    • 1
  • D. Latour
    • 2
    • 3
  • J. Robin
    • 4
  • M. Sabart
    • 2
    • 3
  • B. Misson
    • 2
    • 3
  • H. Ait Hammou
    • 1
  • Kh. Mouhri
    • 1
  • M. Loudiki
    • 1
  1. 1.Laboratory of Biology and Biotechnology of Microorganisms, Faculty of Sciences SemlaliaUniversity Cadi AyyadMarrakeshMorocco
  2. 2.Laboratory ‘Microorganisms: Genome and Environment’, Clermont UniversityUniversity Blaise PascalClermont FerrandFrance
  3. 3.UMR 6023, LMGECNRSAubière CedexFrance
  4. 4.UMR5023 LEHNA, University Lyon 1, ENTPE, CNRS, ISARAUniversity of LyonLyon Cedex 07France

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