Journal
ECOLOGICAL INDICATORS
Volume 5, Issue 3, Pages 253-266Publisher
ELSEVIER
DOI: 10.1016/j.ecolind.2005.03.006
Keywords
water framework directive; macroinvertebrates; macroalgae; coastal waters; ecological status; biotic index
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Benthic macroinvertebrates, macroalgae and phytoplankton constitute the biological quality elements proposed in the Water Framework Directive (WFD, 2000/60/EC) to be used for the classification of the ecological status of a water body. In the context of the preparation for the implementation of WFD, classification schemes for all three elements have been developed and tested for all the European ecoregions. In the present work, the classification schemes, with the corresponding metric tools and the interpretations of the class boundaries according to the normative definitions of WFD, are presented for each biological element in Saronikos Gulf, as case study in the Mediterranean ecoregion. The combination of the three biological elements into an integrated classification for coastal water bodies has been one of the major issues addressed in the context of WFD guidelines. Results are interpreted and validated, through an ecological viewpoint, on the basis of relevant environmental data. Moreover, this work presents a way to combine the EUNIS system to the typology of water bodies in the Mediterranean ecoregion. (c) 2005 Elsevier Ltd. All rights reserved.
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