modified water bodies in the Netherlands

Transcription

1 Managing heavily modified water bodies in the Netherlands Bob Dekker EU Water Director Ministry of Transport, Public Works and Water Management The Netherlands 3 April 2009

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3 Area (in blue) prone to flooding

4 A dam Adam Airport below sea level

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6 Reclamed land from a lake

7 Step 1 Identification and designation of water bodies Artificial water bodies Heavily modified water bodies Remaining water bodies ( natural water bodies ) 7 Ministerie van Verkeer en Waterstaat

8 Draft River Basin Management Plans of the Netherlands: Natural waterbodies 17 Artificial waterbodies 403 Heavily modified d 303 total Ministerie van Verkeer en Waterstaat

9 Natural 9 Ministerie van Verkeer en Waterstaat

10 Natural

11 Natural

12 Natural

13 Natural

14 Artificial

15 Artificial

16 Artificial

17 Artificial

18 Artificial

19 Artificial

20 Heavily modified

21 Heavily modified

22 Heavily modified

23 Natural?

24 Natural?

25 Natural?

26 Land reclamed from the sea

27 Heavily modified! But with high ecological value

28 Step 2 Establishment of Good Ecological Potential (GEP) standard method (CIS guidance 2003) alternative method ( Prague 2005) Coordinated d between national and regional authorities With involvement of stakeholders 28 Ministerie van Verkeer en Waterstaat

29 Standard Method (CIS guidance 2003) Alternative method (Prague, 2005) Reference condition tus/eqr ecolog gical sta hydromorphological alteration mitigation all possible measures minus measures with small ecological effect MEP GEP Present ecological status 29 Ministerie van Verkeer en Waterstaat

30 Comparison between GES and GEP Natural river 1.0 Regulated river GES EQR GEP EQR Objective in RBMP 30 Ministerie van Verkeer en Waterstaat

31 Comparison GES and GEP results Rhinedelta (490 waterbodies) Lakes GES GEP (avg.) Rivers GES GEP (avg.) phytoplankton other flora macro-invert invert fish phytoplankton other flora macro-invert fish Ministerie van Verkeer en Waterstaat

32 Step 3 Establishment of programmes of measures basic measures supplementary measures Coordinated d between national and regional authorities With involvement of stakeholders 32 Ministerie van Verkeer en Waterstaat

33 Measures: RBMP s (1) National policy (basic measures according to WFD art 11.3a) Continuation of national water-policy Community legislation Point and diffuse sources (WFD art 11.3g & h) Removal of untreated waste water discharges (365 discharges, by 2015 / 108, from 2015 to 2027) Solving sewerage spills (156 / 6) Improvements at wastewater treatment plants (59 / 15) Removal of polluted sediments (5,6 million m 3 ) 33 Ministerie van Verkeer en Waterstaat

34 Measures: RBMP s (2) Hydromorphological measures (WFD art 11.3i) Restoration of land-water gradients in lakes and canals (1727 / 3357 km) Rest. of land-water gradients, re-meandering in rivers (729 / 930 km) Creation of wetlands (1362 / 704 ha) Projects for fish-migration at weirs (635 / 884) Water level management, creation of side channels, etc Supplementary measures (WFD art 11.4) Fishmanagement ( biomanipulation ) Management of macrophytes Education, research, etc 4.2 billion extra costs 34 Ministerie van Verkeer en Waterstaat

35 Step 4 Implementing the measures 35 Ministerie van Verkeer en Waterstaat

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37 Nederrijn Old situation

38 Nederrijn New situation

39 Overijsselse Vecht Old situation 39 Ministerie van Verkeer en Waterstaat

40 Overijsselse Vecht New situation 40 Ministerie van Verkeer en Waterstaat

41 Ratumsebeek Old situation

42 Ratumsebeek New situation 42 Ministerie van Verkeer en Waterstaat

43 Thank you for your attention 3 April 2009