Community metabolism on rocky-shore assemblages in a mesocosm: A. Fluctuations in production, respiration, chlorophyll a content and C:N ratios of grazed and non-grazed assemblages

  • A. Pedersen
Conference paper
Part of the Developments in Hydrobiology book series (DIHY, volume 41)


During the last decade experimental ecosystems have been increasingly used in pollution research. As opposed to the traditional short-term laboratory experiments with one species exposed to a hazardous substance, the mesocosms approach opens the possibility of using complex ecosystems more similar to natural ones, hence improves realism compared to laboratory testing. These ecosystems can be easily manipulated to fit the desired pollution scenario, and effects can be analyzed on a wide range of species. So far, such experimental systems have mainly been applied to pelagic (Gamble et al., 1977; Grice et al., 1980; Davies et al., 1980) and soft-bottom benthic mesocosms (Bodeungen et al., 1976; Bakke et al., 1982; Kuiper et al., 1983; Oviatt et al., 1982).

Key words

seaweed benthic algae primary production respiration fouling assemblages C:N ratio chlorophyll a 


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Copyright information

© Dr W. Junk Publishers, Dordrecht 1987

Authors and Affiliations

  • A. Pedersen
    • 1
  1. 1.Norwegian Institute for Water Research (NIVA)Oslo 3Norway

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