Title: Intercalibrating the national classifications of ecological status for very large rivers in Europe: Biological Quality Element: Benthic invertebrates
Publisher: Publications Office of the European Union
Publication Year: 2018
JRC N°: JRC112690
ISBN: 978-92-79-92992-2
ISSN: 1831-9424
Other Identifiers: EUR 29341 EN
OP KJ-NA-29341-EN-N
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC112690
DOI: 10.2760/443119
Type: EUR - Scientific and Technical Research Reports
Abstract: The European Water Framework Directive (WFD) requires the national classifications of good ecological status to be harmonised through an intercalibration exercise. In this exercise, significant differences in status classification among Member States are harmonized by comparing and, if necessary, adjusting the good status boundaries of the national assessment methods. Intercalibration is performed for rivers, lakes, coastal and transitional waters, focusing on selected types of water bodies (intercalibration types), anthropogenic pressures and Biological Quality Elements. Intercalibration exercises were carried out in Geographical Intercalibration Groups - larger geographical units including Member States with similar water body types - and followed the procedure described in the WFD Common Implementation Strategy Guidance document on the intercalibration process (European Commission, 2011). The Technical reports are organized in volumes according to the water category (rivers, lakes, coastal and transitional waters), Biological Quality Element and Geographical Intercalibration group. This volume addresses the intercalibration of the Very large river Benthic invertebrate ecological assessment methods. Nineteen countries (Austria, Belgium (Flanders), Bulgaria, Croatia, Czech Republic, Estonia, Finland, Germany, Hungary, Latvia, Lithuania, the Netherlands, Norway, Poland, Romania, Slovakia, Slovenia, Spain and Sweden) participated in the intercalibration exercise and harmonised their benthic invertebrate assessment systems. The results were approved by the WG ECOSTAT and included in the EC Decision on intercalibration (European Commission, 2018).
JRC Directorate:Sustainable Resources

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