Water Director Meeting 30th November 2006, Inari / SF WFD and Hydromorphology Technical report on “Good practice in managing the ecological impacts of hydropower schemes, flood protection works and works designed to facilitate navigation under the Water Framework Directive” Ulrich Irmer/DE and Peter Pollard/UK

Water Director Meeting 30th November 2006, Inari / SF Drafting of the technical report Distribution of 1st version from 17 February 2006 to drafting group Comments received from 7 MS (DK, ES, FR, LV, NL, SE, SK), NO, NGO’s (WWF) and Stakeholders (ESHA, EUREL, PIANC) Compilation of comments discussed on drafting group meeting 20th April in Berlin Distribution of 2nd version from 28 April 2006 to drafting group Comments received from 8 MS (AU, DK, FR, NL, SE, SF, SI, SK), NO, and Stakeholders (EUREL, PIANC)

Water Director Meeting 30th November 2006, Inari / SF Drafting of the technical report Distribution of compilation of comments and 3rd version from 20 July 2006 to drafting group and SSG Discussion of 3rd version on strategic steering group meeting at 7th September 2006 Comments received from 3 MS (FR, NL, SE) and Stakeholders (EUREL, PIANC) Distribution of 4th version from 23 October 2006 (draft final) to SCG for discussion and agreement at 8th November 2006 (cc to drafting group and SSG) Distribution of final 4.1 version from 14 November 2006 to Water Directors for discussion at their meeting in Inari at 30th November 2006

Water Director Meeting 30th November 2006, Inari / SF Technical paper- Table of contents 1.Introduction 2.Purpose of the report 3.Approach to identifying measures 4.Measures and site specific conditions 5.Cost-effectiveness of measures 6.Recommendations and conclusions Separate document with case studies

Water Director Meeting 30th November 2006, Inari / SF Technical paper- Overview on Annexes Annex I:Relevant requirements of the WFD regarding hydromorphology Annex II: Alternative methodology for defining GEP for HMWB and AWB Annex III:Morphological alterations: ecological impacts and criteria for status improvement Annex IV:Potential restoration and mitigation measures and their cost-effectiveness Annex V:List of case studies demonstrating the improvement of ecological status/potential by restoration/mitigation measures Annex VI:Glossary Annex VII:Members of Drafting Group

Water Director Meeting 30th November 2006, Inari / SF Purpose of the report  Report should provide a source of information on the practical measures that can be taken to prevent, remedy or mitigate the adverse ecological effects of human alterations to the structural and hydrological characteristics of surface water bodies  Separate document summarising 49 case studies with examples of restoration measures (to meet good ecological status, GES) and of mitigation measures (to meet good ecological potential, GEP) delivered by 12 European Countries (AT, BE, DE, ES, FI, FR, NL, NO, SE, SK, SI, UK) 20 hydropower 16 navigation 11 flood protection 2 other uses

Water Director Meeting 30th November 2006, Inari / SF Purpose of the report: Annex II Steps involved in defining GEP following CIS method modifications of CIS method Alternative method HMWB guidance document

Water Director Meeting 30th November 2006, Inari / SF Approach to identifying measures Selection of restoration measures and planning of objectives for water bodies at risk of failing to meet their environmental objectives due to hydromorphological changes

Water Director Meeting 30th November 2006, Inari / SF Measures and site specific conditions The precise definition of the measures appropriate in any given situation is likely to depend on the particular characteristics of the water body and the water use concerned IIlustrative range of possible alterations typically associated with hydropower dams with subsequent biological alterations Other figures show possible alterations associated with navigation and flood protection works

Water Director Meeting 30th November 2006, Inari / SF Measures and site specific conditions Examples of measures for the pressure category “water flow changes” Driving force Hydropower Navigation Flood protection Pressure Weirs, dams Impoundments Embankments … Alterations of hydrom. Impaired flow dynamics Impaired passability Impaired lateral connectivity Ecological impacts Change and loss of habitat diversity and quality Disruption of species migration Change in biological communities … Possible appropriate measures Creation of passability for migration of species Improving the hydrological condition by flow control (e.g. water level regulation) Reconnection with ox-bows, wetlands …

Water Director Meeting 30th November 2006, Inari / SF Case Studies Report – State of Play  Driving force & pressures – overview of case studies

Water Director Meeting 30th November 2006, Inari / SF Fish passes Two types of functioning fish passes – the more natural- like by pass channel is more costly in this case but provides useful additional spawning ground Cross profile construction

Water Director Meeting 30th November 2006, Inari / SF New passable weir Situations before and after the construction of new passable weir River Numedalslaagen, southern Norway Cross profile construction

Water Director Meeting 30th November 2006, Inari / SF Reconstruction of bank structures Situations before and after morphological improvements – structures will be created by the next floods and should be maintained Duisburg Rhine floodplain (urban industrial landscape), Germany Bank fixation

Water Director Meeting 30th November 2006, Inari / SF Reconstruction of bank structures Wetland habitat short time after carrying out the measure River Main at Würzburg, Germany Bank fixation

Water Director Meeting 30th November 2006, Inari / SF Reconstruction of bank structures Tokyngton Park, Wembley – London, UK Channelisation Straightening

Water Director Meeting 30th November 2006, Inari / SF Next steps  Request: use the technical report on WFD & Hydromorphology as guidance in the drawing up of programmes of measures  Follow-up: the case study document should be updated once per year as really “living document”  Workshop on “WFD and Hydropower”, to be held in Berlin (Germany) on 4–5 June, 2007  good practice hydropower use  strategic approaches for the improvement of hydromorpho- logical conditions on the catchment area scale  financial instruments to maintain hydropower use and to improve water quality