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Climatic and Eutrophication Effects on the North Aegean Sea Productivity and Anchovy (Engraulis encrasicolus) Stock

Author

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  • Triantafyllou George
  • Tsiaras Kostas
  • Triantaphyllidis George

    (Hellenic Centre for Marine Research, Institute of Oceanography, Greece)

Abstract

Applying a suite of models is a useful tool to predict changes in the abundance of the North Aegean anchovy stock if climatic change scenarios will be applied. Here we examine the effects of the increase of sea surface temperature due to global warming as well as the effects of decreased precipitation and river runoff that might potentially result in an increase of salinity with an opposite effect on stratification, particularly in coastal river influenced areas of N. Aegean Sea. We demonstrate that the POM-ERSEM Lower Trophic Level model if coupled to an anchovy full life cycle Individual Based Model, describes important processes such as spawning, growth, natural and fishing mortality and fish movement in order to test climate change simulations using the IPSL-CM4 and SINTEX-G climate forcing, implementing the baseline “Business As Usual†(BAU) future river loads scenario and computing long-term climatic simulations (1980-2000 and 2080-2100).

Suggested Citation

  • Triantafyllou George & Tsiaras Kostas & Triantaphyllidis George, 2019. "Climatic and Eutrophication Effects on the North Aegean Sea Productivity and Anchovy (Engraulis encrasicolus) Stock," Oceanography & Fisheries Open Access Journal, Juniper Publishers Inc., vol. 8(5), pages 144-154, January.
    • Handle: RePEc:adp:jofoaj:v:8:y:2019:i:5:p:144-154
    DOI: 10.19080/OFOAJ.2019.08.555749
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