Assessment of the ecological status of European surface waters: a work in progress

@article{Nges2009AssessmentOT,
  title={Assessment of the ecological status of European surface waters: a work in progress},
  author={Peeter N{\~o}ges and Wouter J. van de Bund and Ana Cristina Cardoso and Angelo Giuseppe Solimini and A S Heiskanen},
  journal={Hydrobiologia},
  year={2009},
  volume={633},
  pages={197-211}
}
The ‘normative definitions’ of ecological water quality classes given by the Water Framework Directive (WFD) are narrative descriptions of the conditions present in water bodies of different qualities relative to reference conditions found in unimpacted sites. In order to fill these descriptions with a more solid content, the definitions have been a subject of intensive development of quantitative methodologies for ecological status assessment as well as for rules and criteria for setting of… CONTINUE READING
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