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Scaling the trophic status of the Aegean Sea, eastern Mediterranean
Ignatiades, L. (2005). Scaling the trophic status of the Aegean Sea, eastern Mediterranean. J. Sea Res. 54(1): 51-57. https://dx.doi.org/10.1016/j.seares.2005.02.010
In: Journal of Sea Research. Elsevier/Netherlands Institute for Sea Research: Amsterdam; Den Burg. ISSN 1385-1101; e-ISSN 1873-1414, meer
Ook verschenen in:
Mills, D.K.; Gowen, R.J. (Ed.) (2005). Contrasting approaches to understanding eutrophication effects on phytoplankton. Journal of Sea Research, 54(1). Elsevier: Amsterdam. 1-124 pp., meer
Peer reviewed article  
Beschikbaar in  Auteur 
Trefwoorden
    Eutrophication
    MED, Aegean
    MED, Eastern Mediterranean
    Scaling
    Egeïsch [Marine Regions]; Mediterranean Sea - Eastern Basin [Marine Regions]
    Marien/Kust
Author keywords
    eastern Mediterranean; eutrophication; mesotrophy; oligotrophy; scaling
Auteur  Top 
  • Ignatiades, L.
Abstract
    Data on chl-a and primary production were recorded from the northern to the southern open waters and from inshore to offshore waters of the Aegean Sea. The data were analysed statistically and their levels were scaled and characterised on the basis of probabilistic parameters. The limits of average chlorophyll concentrations and productivity in open oligotrophic waters were less than those in the offshore mesotrophic and these were less than in inshore eutrophic waters. According to this scaling, the categories ‘open oligotrophic’ < ‘offshore mesotrophic’ < ‘inshore eutrophic’ waters were defined for chl-a as 0.5 < (0.5 - 1.0) < 1.0 mg m- 3, and for primary production as 1.5 < (1.5 - 3.0) < 3.0 mg C m- 3 h- 1. The comparison of the mean depth of the euphotic zone also displayed a characteristic gradient from oligotrophic open waters (90-129 m) to mesotrophic offshore (35 m) and eutrophic inshore (7 m) waters. Eutrophication is a major problem in most of the European regional seas including the Mediterranean and the Black Sea. The classification of the trophic status of seawater is important because it is central to ecological studies of eutrophication and its practical role as an indicator of water quality.
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