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Significance of tintinnid grazing during blooms of Phaeocustis pouchetii (Haptophyceae) in Dutch coastal waters
Admiraal, W.; Venekamp, L.A.H. (1986). Significance of tintinnid grazing during blooms of Phaeocustis pouchetii (Haptophyceae) in Dutch coastal waters. Neth. J. Sea Res. 20(1): 61-66
In: Netherlands Journal of Sea Research. Netherlands Institute for Sea Research (NIOZ): Groningen; Den Burg. ISSN 0077-7579, more
Peer reviewed article  

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Keywords
    Algal blooms; Biological production; Coastal waters; Grazing; Population density; Haptophyceae; Phaeocystis pouchetii (Hariot) Lagerheim, 1896 [WoRMS]; Tintinnidae Claparède & Lachmann, 1858 [WoRMS]; Marine

Authors  Top 
  • Admiraal, W.
  • Venekamp, L.A.H.

Abstract
    Extremely dense populations of tintinnids (24000 to 118000·dm-3) were found during the spring bloom of the alga Phaeocystis pouchetii in the Dutch Wadden Sea and coastal North Sea. Microscopic observations showed that these Protozoa grazed on the single-cell stage of the colony-forming Phaeocystis. At the end of the bloom, the biovolume of the tintinnid population equalled or even exceeded that of the Phaeocystis population, indicating that microfaunal grazing prevented further growth of the Phaeocystis spring bloom.

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