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Factors controlling phytoplankton blooms in a temperate estuary: nutrient limitation and physical forcing
Pilkaityte, R.; Razinkovas, A. (2006). Factors controlling phytoplankton blooms in a temperate estuary: nutrient limitation and physical forcing, in: Queiroga, H. et al. (Ed.) Marine biodiversity: patterns and processes, assessment, threats, management and conservation: Proceedings of the 38th European Marine Biology Symposium, held in Aveiro, Portugal, 8-12 September 2003. Developments in Hydrobiology, 183: pp. 41-48. dx.doi.org/10.1007/s10750-005-1104-6
In: Queiroga, H. et al. (Ed.) (2006). Marine biodiversity: patterns and processes, assessment, threats, management and conservation: Proceedings of the 38th European Marine Biology Symposium, held in Aveiro, Portugal, 8-12 September 2003. Developments in Hydrobiology, 183. Springer: Dordrecht. ISBN 1-4020-4321-X. XV, 353 pp., more
In: Dumont, H.J. (Ed.) Developments in Hydrobiology. Kluwer Academic/Springer: The Hague; London; Boston; Dordrecht. ISSN 0167-8418, more

Available in Authors 
Document type: Conference paper

Keywords
    Bioassays; Estuaries; Phytoplankton; Marine
Author keywords
    phytoplankton; temperate estuary; nutrient enrichment bioassays

Authors  Top 
  • Pilkaityte, R., more
  • Razinkovas, A., more

Abstract
    A combination of enclosure nutrient enrichment experiments and historical data analysis was used to identify the factors controlling seasonal dynamics and competition of the phytoplankton community in the Curonian lagoon (Southeast Baltic Sea). Experiments using different nutrient (N, P and Si) manipulations were performed in 10-l enclosures for 48 h. Changes in chlorophyll a concentrations, inorganic nutrient concentrations, and plankton cell density were monitored. Results revealed that phytoplankton development in the lagoon is strongly affected by ambient physical factors (wind, temperature). Nutrient limitation, however, also plays an important role in seasonal succession mechanisms showing quite distinct seasonal development patterns. Based on the data, available phytoplankton seasonal succession in the Curonian lagoon could be described as composed by three phases corresponding to different domination and regulatory mechanisms.

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