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      Recent occurrence of Cylindrospermopsis raciborskii, in Waikato lakes of New Zealand.

      Ryan, E.F.; Hamilton, David P.; Barnes, Grant E.
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      DOI
       10.1080/00288330.2003.9517212
      Link
       http://www. rsnz.org/publish/nzjmfr/2003/074.php
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      Ryan, E.F., Hamilton, D.P. & Barnes, G.E. (2003). Recent occurrence of Cylindrospermopsis raciborskiiin Waikato lakes of New Zealand. New Zealand Journal of Marine and Freshwater Research, 37(4), 829-836.
      Permanent Research Commons link: https://hdl.handle.net/10289/186
      Abstract
      Cylindrospermopsis raciborskii is a toxin-producing species of cyanobacteria that in autumn 2003 was recorded for the first time in three shallow (max. depth ≤5 m) Waikato lakes and a hydro-electric dam on the Waikato River, New Zealand. It formed water blooms at densities >100 000 cells/ml in Lakes Waahi and Whangape. Net rates of population growth >0.2 day-1 were recorded for C. raciborskii in Lakes Ngaroto, Waahi, and Karapiro, based on comparisons of low numbers (detection of <10>cells/ml) from initial samples and its presence at bloom densities (>15 000 cells/ml) in the subsequent sample "x"-"y" days later. C. raciborskii may be well adapted to rapid proliferation in the Waikato lakes, which are eutrophic to hypertrophic, with high light attenuation, and where nitrogen (N) fixation may provide it with a competitive advantage over non-nitrogen fixing algae under N-limited conditions.
      Date
      2003-10-01
      Type
      Journal Article
      Publisher
      The Royal Society of New Zealand
      Rights
      The final, definitive version of this article has been published in the New Zealand Journal of Marine and Freshwater Research, 37(4), 2003. (c) The Royal Society of New Zealand 2003 at the The Royal Society of New Zealand webpage.
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      • Science and Engineering Papers [3124]
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