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A three-year ecological survey in Benoit and Wrac'h Abers following the Amoco Cadiz oil spill
Glémarec, M.; Hussenot, E. (1982). A three-year ecological survey in Benoit and Wrac'h Abers following the Amoco Cadiz oil spill. Neth. J. Sea Res. 16: 483-490
In: Netherlands Journal of Sea Research. Netherlands Institute for Sea Research (NIOZ): Groningen; Den Burg. ISSN 0077-7579, more
Peer reviewed article  

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Keyword
    Marine

Authors  Top 
  • Glémarec, M.
  • Hussenot, E.

Abstract
    The succession in time of different ecological groups along a gradient of organic enrichments was studied 3 years after the Amoco Cadiz oil spill in 2 adjacent tidal inlets or abers. From the results, time patterns are established, through which the ecosystem evolves towards a new equilibrium or back to a former one. In a first stage both pollution sensitive and tolerant species were wiped out as a result of the high toxicity of the kind of oil involved. Once the level of contamination was somewhat stabilized, an opportunistic fauna developed that eventually was overtaken by a community of pollution tolerant species. The latter exhibited an excessive development before a new equilibrium was reached. Differences in the rate of this temporal succession were found between the abers, dependent on the intensity of hydrodynamic processes. Nearly 3 years after the oil spill, most communities had still not reached equilibrium.

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