Seasonality pattern of biomass accumulation in a drifting Furcellaria lumbricalis community in the waters of the West Estonian Archipelago, Baltic Sea

  • Georg Martin
  • Tiina Paalme
  • Kaire Torn
Conference paper
Part of the Developments in Applied Phycology book series (DAPH, volume 1)


A free-floating, loose form of Furcellaria lumbricalis (Huds.) Lamour is rare in the Baltic Sea area. Kassari Bay, situated in the West Estonian Archipelago Sea area contains the largest known community of this kind. Here the free-floating mixed Furcellaria lumbricalis-Coccotylus truncatus (Paela) M. J. Wynne et J. N. Heine community inhabits sandy bottom, covering up to 120 km2. Commercial exploitation of the community started in 1966 and has led to regular monitoring surveys for the quantification of the commercial resource. The aim of the present study was to determine the potential growth rates of the two community-forming species as well as to test different environmental factors affecting their growth. Results showed that the highest growth rates were measured in shallower depths (4 m) for both species. The seasonal growth pattern was also very similar for both species, showing the highest growth rates during the beginning of summer. Incubation of both species in another sea area with apparently similar basic environmental conditions (the northern part of the Gulf of Riga, Kõiguste Bay) resulted in significantly lower growth rates during the whole incubation period.

Key words

loose-lying Furcellaria lumbricalis Coccotylus truncatus growth rate 


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Copyright information

© Springer 2006

Authors and Affiliations

  • Georg Martin
    • 1
  • Tiina Paalme
    • 1
  • Kaire Torn
    • 1
  1. 1.Estonian Marine InstituteUniversity of TartuTallinnEstonia

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