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Influence of a Gulf Stream intrusion on abundance and activity of phytoplankton and bacterioplankton off the coast of Florida, USA
Jacobsen, T.R.; Hodson, R.E.; MacCubbin, A.E.; Pomeroy, L.R. (1985). Influence of a Gulf Stream intrusion on abundance and activity of phytoplankton and bacterioplankton off the coast of Florida, USA, in: Gibbs, P.E. (Ed.) Proceedings of the 19th European Marine Biology Symposium, Plymouth, Devon, UK, 16-21 September 1984. pp. 39-49
In: Gibbs, P.E. (Ed.) (1985). Proceedings of the Nineteenth European Marine Biology Symposium, Plymouth, Devon, UK, 16-21 September 1984. European Marine Biology Symposia, 19. Cambridge University Press: Cambridge. ISBN 0-521-30294-3. 541 pp., meer
In: European Marine Biology Symposia., meer
Beschikbaar in  Auteurs 
Documenttype: Congresbijdrage
Trefwoord
    Marien/Kust
Auteurs  Top 
  • Jacobsen, T.R.
  • Hodson, R.E.
  • MacCubbin, A.E.
  • Pomeroy, L.R.
Abstract
    Microbial abundance and production were monitored off the coast of Florida at the interface of outer continental shelf water and nutrient-rich Gulf Stream water intruding onto the shelf. Primary production and bacterial uptake of glucose at the interface increased rapidly. Microbial abundance and activity at the interface were 10-50 x greater than the overlying shelf water. Rates of photosynthesis at the interface reached 1 gC m-3 day-1. Initially, the majority of photosynthesis in the intruded waters was by < 10µm autotrophs adapted to low light levels. Turnover time of glucose by heterotrophs decreased from 1800 to 38 h. Bacterioplankton appeared to be highly coupled to increases in primary productivity.
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