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Production, Grazing and Sedimentation in the Norwegian Coastal Current

  • Rolf Peinert
Part of the NATO ASI Series book series (volume 7)

Abstract

The relationship between pelagic system structure and sedimentation was studied during spring and summer in the Norwegian Coastal Current off the Lofoten Islands. Sed imentation was monitored directly with free drifting sediment traps and indirectly on the basis of a nutrient budget. The seasonality of processes leading to a loss by sinking or retention by recycling of essential elements in the pelagic system is discussed: Direct sed imentation of phy toplankton cells and phytodetritus following nutrient depletion impoverishes the pelagic system during spring when the food web is poorly developed. Copepod grazing retains essential elements, as faecal pellets are apparently recycled. Rapidly sinking euphausiid faeces, however, dominate sed imentation during summer. By inducing patchiness in spring and providing new nutrients during summer, the Norwegian Coastal Current will be well suited to exploitation by large, motile grazers such as euphausiids.

Keywords

Dissolve Organic Nitrogen Faecal Pellet Sediment Trap Standing Stock Spring Bloom 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Reference

  1. Alldredge, A.L. 1984. The quantitative significance of gelati- nuous zooplankton as pelagic consumers. in: The flows of energy and materials in marine ecosystems, M.J.R. Fasham (ed.), Plenum Press, N.Y., pp 407–434Google Scholar
  2. Billett, D.S.M., R.S. Lampitt, A.L. Rice, R.F.C. Mantoura 1983. Seasonal sedimentation of phytoplankton to the deep- sea benthos, Nature 302, 520–522.CrossRefGoogle Scholar
  3. Bodungen, S.V., K.V.Bröckel, V. Smetacek and B. Zeitzschel 1981. Growth and sedimentation of the phytoplankton spring bloom in the Bornholm Sea (Baltic Sea). Kieler Meeresforsch, Sonderheft., 5, 49–60.Google Scholar
  4. Deuser, W.G. and E.H. Ross 1980. Seasonal change in the flux of organic carbon to the deep Sargasso Sea. Nature 283, 364–365.CrossRefGoogle Scholar
  5. Eppley, R.W and B.J. Peterson 1979. Particulate organic matter flux and planktonic new production in the deep ocean. Nature, 282, 677–680.CrossRefGoogle Scholar
  6. Føyn, B.R. and F. Rey 1981. Nutrient distribution along the Norwegian Coastal Current. in: The Norwegian Coastal Current, R.Saetre and M. Mork (eds.), Bergen, pp 629–639.Google Scholar
  7. Graßhoff, K. (ed.) 1976. Methods of seawater analysis. Verlag Chemie, Weinheim, 317 pp.Google Scholar
  8. Hendrikson, P. 1975. Auf- und Abbauprozesse partikulärer organischer Substanz anhand von Seston- und Sinkstoffanalysen. Diss.Univ.Kiel., 160pp.Google Scholar
  9. Jeffrey, S.W. and G.F. Humphrey 1975. New spectrophotometry equations for determining Chlorophylls a, b, c1 and c2 in higher plants, algae and natural phytoplankton. Biochem. Physiol. Pflanzen, 167, 191–194Google Scholar
  10. Lampitt, R.S. 1985. Evidence for the seasonal deposition of detritus to the deep-sea floor and its subsequent resuspension. Deep-Sea Res., in press.Google Scholar
  11. Larsson, U. and A. Hagström 1982. Fractionated phytoplankton primary production, exudate release and bacterial production in a Baltic eutrophication gradient. Mar. Biol., 67, 57–70.CrossRefGoogle Scholar
  12. Lorenzen, C.J. 1967. Determination of chlorophyll and phaeopigments: spectralphotometric equations. Limnol. Oceanogr., 12, 343–346.CrossRefGoogle Scholar
  13. Margalef, R. 1978. Life-forms of phytoplankton as survival alternatives in an unstable environment. Oceanol. Acta., 1, 493–504.Google Scholar
  14. Peinert, R., A. Saure, P. Stegmann, C. Stienen, H. Haardt and V. Smetacek 1982. Dynamics of primary production and sedimentation in a coastal ecosystem. Neth. J. Sea Res., 16, 276–289.CrossRefGoogle Scholar
  15. Redfield, A.C., B. Ketchum and F.A. Richards 1963. The influence of organisms on the composition of sea water, in: The Sea, 2, M.N. Hill (ed.), Wiley, N.I., 26–77.Google Scholar
  16. Schnack, S. 1985. A note on the sedimentation of particulate matter in Antarctic waters during summer. Polar Biol., in press.Google Scholar
  17. Smetacek, V. 1984. The supply of food to the benthos. In: M.J.R. Fasham (ed.), Flows of energy and materials in marine ecosystems: theory and practice. Plenum Press, 517–548.Google Scholar
  18. Smetacek, V. 1980. Annual cycle of sedimentation in relation to plankton ecology in western Kiel Bight. Ophelia 1, 65–76.Google Scholar
  19. Staresinic, N., Hovey Clifford, C. and E.M. Hulburt 1984. Role of the southern Anchovy, Engraulis ringens, in the downward transport of particulate matter in the Peru coastal upwelling. in: Coastal upwelling: its sedimentary record. E. Suess and J. Thiede (eds.), Plenum Press, N.Y.Google Scholar
  20. Steemann-Nielsen, E. 1958. Experimental methods for measuring organic production in the sea. Rapp.P.-v.Cons. int. Explor. Mer., 144, 38–46.Google Scholar
  21. Utermöhl, H. 1958. Zur Vervollkommnung der quantitativen Phytoplankton-Methodik. Mitt. Int. Ver. Limnol., 9, 1–38.Google Scholar
  22. Zeitzschel, B., P. Diekmann and L. Uhlmann 1978. A new sediment trap. Mar. Biol., 45, 285–288.CrossRefGoogle Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1986

Authors and Affiliations

  • Rolf Peinert
    • 1
  1. 1.Institut für MeereskundeKiel 1Germany

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