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J. Catalan, G. Dörflinger, J. Ferreira, D. Kemitzoglou, C. Laplace-treyture et al., Water Framework Directive Intercalibration Technical Report: Mediterranean Lake Phytoplankton ecological assessment methods Authors: Caridad de Hoyos

, (online) and carry out a European intercalibration (IC) exercise. The aim of the Intercalibration is to ensure that the values assigned by each Member State to the good ecological class boundaries are consistent with the Directive's generic description of these boundaries and comparable to the boundaries proposed by other MS, total, 83 lake assessment methods were submitted for the 2nd phase of the WFD intercalibration, vol.62, 2008.

, Lake Geographical Intercalibration Groups according to the ecoregion and biological quality element, this report we describe how the intercalibration exercise has been carried out in the Mediterranean Lake Phytoplankton group