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Chattonella and Fibrocapsa (Raphidophyceae): First Observation of, Potentially Harmful, Red Tide Organisms in Dutch Coastal Waters

Vrieling, E. G., Koeman, R. P. T., Nagasaki, K., Ishida, Y., Peperzak, L., Gieskes, W. W. C. & Veenhuis, M., Mar-1995, In : Netherlands Journal of Sea Research. 33, 2, p. 183-191 9 p.

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DOI

  • E.G. Vrieling
  • R.P.T. Koeman
  • K. Nagasaki
  • Y. Ishida
  • L. Peperzak
  • W.W.C. Gieskes
  • M. Veenhuis

Species of the potentially toxic and red-tide-forming marine-phytoplankton genera Chattonella and Fibrocapsa (Raphidophyceae) were observed for the first time in 1991 in samples taken in Dutch coastal waters; they were again recorded and enumerated in the following years. Chattonella spp. cell numbers varied with the season, with a maximum in May or June in the Dutch Wadden Sea. Cell numbers of Chattonella and F. japonica Toriumi et Takano were up to 6.0 . 10(3) cells . dm(-3) in the Dutch Wadden Sea, except at one station in June 1993 when over 10(4) cells . dm(-3) Chattonella were counted. In May 1993, a minor bloom (over 2.0 . 10(5) cells . dm(-3)) was observed at a station in the southern central North Sea, 100 km northwest of the island of Terschelling. The potentially neurotoxic species Chattonella marina (Subrahmanyan) Hara et Chihara was identified and discriminated from morphologically related species within the class of Raphidophyceae by immunofluorescence. F. japonica could only be clearly identified in live samples; in fixed samples cell morphology was severely affected. The identification of this species was supported by the presence of mucocysts, structures that can be observed readily by optical and electron microscopy.

Original languageEnglish
Pages (from-to)183-191
Number of pages9
JournalNetherlands Journal of Sea Research
Volume33
Issue number2
Publication statusPublished - Mar-1995

    Keywords

  • CHATTONELLA SPP, FIBROCAPSA JAPONICA, HARMFUL PHYTOPLANKTON, RAPHIDOPHYCEAE, RED-TIDE ORGANISMS, YELLOWTAIL SERIOLA-QUINQUERADIATA, MONOCLONAL-ANTIBODIES, MARINA, ANTIQUA, IDENTIFICATION, PHYTOPLANKTON, MICROSCOPY, ABUNDANCE, EXPOSURE, BLOOM

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