Title: Intercalibration of the national classifications of ecological status for Central-Baltic Lakes: Biological Quality Element: Fish fauna: Part B and C
Authors: RITTERBUSCH DAVIDARGILLIER CHRISTINEBIALOKOZ WITOLDBIRZAKS JANISBLABOLIL PIETRBREINE JANDRASZKIEWICZ-MIODUSZEWSKA HANNAJAARSMA NIKKOKAROTTKI IVANKRAUSE T.KUBEČKA JANLAURIDSEN TOBEN L.LOGEZ MAXIMMAIRE ANTHONYPALM A.PEIRSON GRAEMERIHA MILANSZLAKOWSKI JACEKVIRBICKAS TOMASPOIKANE SANDRA
Publisher: Publications Office of the European Union
Publication Year: 2017
JRC N°: JRC106889
ISBN: 978-92-79-74612-3 (print),978-92-79-74611-6 (online)
ISSN: 1018-5593 (print),1831-9424 (online)
Other Identifiers: EUR 28841 EN
OP KJ-NA-28841-EN-C (print),KJ-NA-28841-EN-N (online)
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC106889
DOI: 10.2760/016107
10.2760/546291
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 are 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 report on the Water Framework Directive intercalibration describes in detail how the intercalibration exercise has been carried out for the water categories and biological quality elements. The Technical report is 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 Lake Central-Baltic Fish ecological assessment methods. This volume on intercalibration of the Lake Central Baltic Fish ecological assessment methods is split into three parts: Part A, a document that provides an overview and detailed descriptions of fish-based lake ecological assessment methods. Parts B and C: This document comprises two Parts, B and C. Part B describes the construction of multiple pressure index in the Central-Baltic region. Part C describes the procedure and results of the boundary harmonisation of national fish-based lake assessment systems.  
JRC Directorate:Sustainable Resources

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