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Bottlenecks in the propagation of a fluctuation up the planktonic size spectrum in Mediterranean coastal waters
Jiménez, F.; Rodrígues, J.; Jiménez-Gómez, F.; Bautista, B. (1989). Bottlenecks in the propagation of a fluctuation up the planktonic size spectrum in Mediterranean coastal waters, in: Ros, J.D. (Ed.) Topics in Marine Biology: Proceedings of the 22nd European Marine Biology Symposium, Barcelona, Spain, August 1987. Scientia Marina (Barcelona), 53(2-3): pp. 269-276
In: Ros, J.D. (Ed.) (1989). Topics in Marine Biology: Proceedings of the 22nd European Marine Biology Symposium, Barcelona, Spain, August 1987. Scientia Marina (Barcelona), 53(2-3). Instituto de Ciencias del Mar: Barcelona. 145-754 pp., more
In: Scientia Marina (Barcelona). Consejo Superior de Investigaciones Científicas. Institut de Ciènces del Mar: Barcelona. ISSN 0214-8358, more
Peer reviewed article  

Available in  Authors 
    VLIZ: Proceedings [16921]
Document type: Conference paper

Keyword
    Marine

Authors  Top 
  • Jiménez, F.
  • Rodrígues, J.
  • Jiménez-Gómez, F.
  • Bautista, B.

Abstract
    This paper describes how a winter fluctuation of phytoplankton biomass propagates along the size spectrum of planktonic organisms in coastal waters. The cause of the observed fluctuations of biomass is the lack of equilibrium between production and consumption at these moments of the annual cycle which creates a 'bottleneck' in the flow of biomass up the size spectrum. The relative importance of the processes causing the losses which modify the bloom were estimated, leading to the conclusion that, in this case, decomposition within the water column and sinking to the benthos were the most important. These findings appear to support the authors previous hypothesis which emphasised the importance of a detrital loop in the propagation of these kind of fluctuations along the planktonic size spectra in coastal ecosystems. These fluctuations are discussed within the conceptual framework of new and regenerated production in Mediterranean waters.

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