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Energy flow model of an oxygen-deficient estuary on the Swedish west coast
Rosenberg, R.; Olsson, I.; Ölundh, E. (1977). Energy flow model of an oxygen-deficient estuary on the Swedish west coast. Mar. Biol. (Berl.) 42(2): 99-107
In: Marine Biology: International Journal on Life in Oceans and Coastal Waters. Springer: Heidelberg; Berlin. ISSN 0025-3162; e-ISSN 1432-1793
Peer reviewed article  
Beschikbaar in  Auteurs 
Trefwoorden
    ANE, Sweden, West
    Marien/Kust
Auteurs  Top 
  • Rosenberg, R.
  • Olsson, I.
  • Ölundh, E.
Abstract
    The estuary Byfjord (Sweden) is characterized by high primary production, a well developed meiofauna compared to the macrofauna, high epifaunal biomass, a low number of herbivorous copepods and a small fish stock. A simplified energy flow model of the ecosystem of the fjord is given. The energy transfer is approximated to 15%. About one-fourth-300 (metric) tons of carbon — of the annual primary production is suggested to be directly consumed and to produce 5 tons of zooplankton carbon and 40 tons of epifaunal (mainly Mytilus edulis) carbon. About 500 tons of carbon from the detritus pool are probably utilized in animal production. This amount will produce 5 tons of zooplankton carbon, 6 tons of meiofaunal carbon, and 3 tons of carbon from the benthic macrofauna. Production of fish is estimated at 0.3 ton carbon per year. M. edulis seems to be the only food resource in the fjord worth harvesting by man.
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