Evaluation Score and Interpretation Index for the Ecological Quality of Running Waters in Central and Northern Hellas |
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Authors: | Vassilia Artemiadou Maria Lazaridou |
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Institution: | (1) Laboratory of Zoology, Department of Zoology, School of Biology, Faculty of Science, Aristotle University of Thessaloniki, 54124 Thessaloniki, Hellas, Greece |
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Abstract: | The present study aims at creating an evaluation system for the quality of running waters, based on the analysis of benthic
macroinvertebrate records from Hellenic rivers (473 samples from 8 river basins). The proposed evaluation system (Hellenic
Evaluation Score and its Interpretation Index) may be used for waters sampled with the cost effective semi-quantitative sampling
method of “3 min kick-sweep” and requires benthic macroinvertebrates to be identified to the taxonomic level of family. Though
resulting from a modification of the Spanish score BMWP, it differs from it in the following characteristics: a) it includes
the relative abundance of benthic macroinvertebrates and b) it takes into consideration the habitat diversity of the studied
site, classifying it as “poor” or “rich”, based on some parameters of the System B of the Water Framework Directive (2000/60/EU).
Its interpretation is also based on a five-scaled classification system, consistent with the provisions of the same Directive. |
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Keywords: | biotic index macroinvertebrates monitoring running water quality |
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