Wadden Sea (dal basin inventory and analysis- a pre-study Preliminary results dedicated for the PRW “Programme towards a Rich Wadden sea” D. Kra, E. Folmer, T. Sehl, J. Meyerdirks et al. 2010 Supervision: Justus van Beusekom (AWI Sylt), Norbert Dankers (Imares), Morten Pejrup (Univ Copenhagen) backing by Bruno Ens, Katja Philippart, Albert Oost Objecves • Comparison of (dal basins with regard to differences in – abio(c features, – ecological developments and – applied policy and management, with the aim of beYer understanding cause-effect relaonships between them. • A database and digital atlas shall contain – the most important physical and biological parameters, – human interference and applied management, as a reference for research and policy. kra et al. 2010 PRW: (dal basin inventory pre-study: preliminary results 2 goals of the pre-study • To get a idea of: – Which (dal basin are there? – What are their characteris(cs? – What cause-effect relaonships dominate? – What are the research & policy ques(ons? – Where are they located? – What data do we need to answer this ques(ons? – What data are exis(ng? How accessible are they? • Asking experts! kra et al. 2010 PRW: (dal basin inventory pre-study: preliminary results 3 (dal basins 1 1 Graadyb 2 Knude Dyb 2 3 Jyvre Dyb 4 Lister Tief 3 5 Hörnum Tief 6 Norderaue 7 Süderaue 8 Hoogeloch 4 9 Rummeloch West 10 Norderhever-Heverstrom 11 Tümlauer Bucht 5 12 Eidermündung 6 13 Wesselburener Loch 14 Piep/Meldorfer Bucht 7 15 Flackstrom 16 Neufahrwasser 8 9 10 17 Schatzkammer 18 Elbe 11 19 Westertill/Nordertill 20 Robinbalje 12 21 Weser 13 22 Jade/Jadebusen 14 23 Blaue Balje 15 24 Harle 16 25 Otzumer Balje 17 26 Accumer Ee 19 18 27 Wichter Ee 28 Norderneyer Seegat 20 25 24 23 29 Osterems 27 26 30 Eems-Dollard 28 21 22 31 Schild 29 32 Lauwers 31 3332 33 Eijerlanderbalg 35 34 30 34 Zoutkamperlaag 36 Legend 35 Pinkegat 36 Amelander Zeegat 37 tidal basins 37 Vlie eulittoral 38 Eierlandse Gat 38 sublittoral 39 Marsdiep 39 kra et al. 2010 PRW: (dal basin inventory pre-study: preliminary results CWSS/HWK PRW Pre-Study Tidal Basins (C) 2010 dkraft 4 (dal basins 1 Graadyb 2 Knude Dyb Where are the borders of the TBs? 3 Jyvre Dyb 4 Lister Tief 5 Hörnum Tief 6 Norderaue 7 Süderaue 8 Hoogeloch 9 Rummeloch West 10 Norderhever-Heverstrom 11 Tümlauer Bucht 12 Eidermündung 13 Wesselburener Loch 14 Piep/Meldorfer Bucht 15 Flackstrom 16 Neufahrwasser 17 Schatzkammer 18 Elbe 19 Westertill/Nordertill 20 Robinbalje 21 Weser 22 Jade/Jadebusen 23 Blaue Balje 24 Harle 25 Otzumer Balje 26 Accumer Ee 27 Wichter Ee 28 Norderneyer Seegat 29 Osterems 30 Eems-Dollard 31 Schild 32 Lauwers 33 Eijerlanderbalg 34 Zoutkamperlaag 35 Pinkegat 36 Amelander Zeegat 37 Vlie 38 Eierlandse Gat 39 Marsdiep kra et al. 2010 PRW: (dal basin inventory pre-study: preliminary results 5 Where are borders of the TBs? © J. Staneva 2010 kra et al. 2010 PRW: (dal basin inventory pre-study: preliminary results 6 Characteris(cs of TBs: size (dal basins 1 1 Graadyb 2 Knude Dyb 2 3 Jyvre Dyb 4 Lister Tief 3 5 Hörnum Tief 6 Norderaue 7 Süderaue 8 Hoogeloch 4 9 Rummeloch West 10 Norderhever-Heverstrom 11 Tümlauer Bucht 5 12 Eidermündung 6 13 Wesselburener Loch 14 Piep/Meldorfer Bucht 7 15 Flackstrom 16 Neufahrwasser 8 9 10 17 Schatzkammer 18 Elbe 11 19 Westertill/Nordertill 20 Robinbalje 12 21 Weser 13 22 Jade/Jadebusen 14 23 Blaue Balje 15 24 Harle 16 25 Otzumer Balje 17 26 Accumer Ee 19 18 27 Wichter Ee 28 Norderneyer Seegat 20 25 24 23 29 Osterems 27 26 30 Eems-Dollard 28 21 22 31 Schild 29 Legend 32 Lauwers 31 total area 33 Eijerlanderbalg 3332 35 34 very small 34 Zoutkamperlaag 36 30 35 Pinkegat small 36 Amelander Zeegat 37 medium 37 Vlie large 38 Eierlandse Gat 38 very large 39 Marsdiep 39 kra et al. 2010 PRW: (dal basin inventory pre-study: preliminary results CWSS/HWK PRW Pre-Study Tidal Basins (C) 2010 dkraft 7 Characteris(cs of TBs: (dal range (dal basins 1 1 Graadyb 2 Knude Dyb 2 3 Jyvre Dyb 4 Lister Tief 3 5 Hörnum Tief 6 Norderaue 7 Süderaue 8 Hoogeloch 4 9 Rummeloch West 10 Norderhever-Heverstrom 11 Tümlauer Bucht 5 12 Eidermündung 6 13 Wesselburener Loch 14 Piep/Meldorfer Bucht 7 15 Flackstrom 16 Neufahrwasser 8 9 10 17 Schatzkammer 18 Elbe 11 19 Westertill/Nordertill 20 Robinbalje 12 21 Weser 13 22 Jade/Jadebusen 14 23 Blaue Balje 15 24 Harle 16 25 Otzumer Balje 17 26 Accumer Ee 19 18 27 Wichter Ee 28 Norderneyer Seegat 20 25 24 23 29 Osterems 27 26 30 Eems-Dollard 28 21 22 31 Schild 29 32 Lauwers 31 Legend 33 Eijerlanderbalg 3332 35 34 tidal range 34 Zoutkamperlaag 36 30 35 Pinkegat low 36 Amelander Zeegat 37 medium 37 Vlie high 38 Eierlandse Gat 38 very high 39 Marsdiep 39 kra et al. 2010 PRW: (dal basin inventory pre-study: preliminary results CWSS/HWK PRW Pre-Study Tidal Basins (C) 2010 dkraft 8 Characteris(cs of TBs: width of the inlet (dal basins 1 1 Graadyb 2 Knude Dyb 2 3 Jyvre Dyb 4 Lister Tief 3 5 Hörnum Tief 6 Norderaue 7 Süderaue 8 Hoogeloch 4 9 Rummeloch West 10 Norderhever-Heverstrom 11 Tümlauer Bucht 5 12 Eidermündung 6 13 Wesselburener Loch 14 Piep/Meldorfer Bucht 7 15 Flackstrom 16 Neufahrwasser 8 9 10 17 Schatzkammer 18 Elbe 11 19 Westertill/Nordertill 20 Robinbalje 12 21 Weser 13 22 Jade/Jadebusen 14 23 Blaue Balje 15 24 Harle 16 25 Otzumer Balje 17 26 Accumer Ee 19 18 27 Wichter Ee 28 Norderneyer Seegat 20 25 24 23 29 Osterems 27 26 30 Eems-Dollard 28 21 22 31 Schild 29 Legend 32 Lauwers 31 inlet 33 Eijerlanderbalg 3332 35 34 very narrow 34 Zoutkamperlaag 36 30 35 Pinkegat narrow 36 Amelander Zeegat 37 medium 37 Vlie wide 38 Eierlandse Gat 38 very wide 39 Marsdiep 39 kra et al. 2010 PRW: (dal basin inventory pre-study: preliminary results CWSS/HWK PRW Pre-Study Tidal Basins (C) 2010 dkraft 9 Characteris(cs of TBs: salinity (dal basins 1 1 Graadyb 2 Knude Dyb 2 3 Jyvre Dyb 4 Lister Tief 3 5 Hörnum Tief 6 Norderaue 7 Süderaue 8 Hoogeloch 4 9 Rummeloch West 10 Norderhever-Heverstrom 11 Tümlauer Bucht 5 12 Eidermündung 6 13 Wesselburener Loch 14 Piep/Meldorfer Bucht 7 15 Flackstrom 16 Neufahrwasser 8 9 10 17 Schatzkammer 18 Elbe 11 19 Westertill/Nordertill 20 Robinbalje 12 21 Weser 13 22 Jade/Jadebusen 14 23 Blaue Balje 15 24 Harle 16 25 Otzumer Balje 17 26 Accumer Ee 19 18 27 Wichter Ee 28 Norderneyer Seegat 20 25 24 23 29 Osterems 27 26 30 Eems-Dollard 28 21 22 31 Schild 29 Legend 32 Lauwers 31 salinity 33 Eijerlanderbalg 3332 35 34 very low 34 Zoutkamperlaag 36 30 35 Pinkegat low 36 Amelander Zeegat 37 medium 37 Vlie high 38 Eierlandse Gat 38 very high 39 Marsdiep 39 kra et al. 2010 PRW: (dal basin inventory pre-study: preliminary results CWSS/HWK PRW Pre-Study Tidal Basins (C) 2010 dkraft 10 Characteris(cs of TBs: subliYoral area (dal basins 1 1 Graadyb 2 Knude Dyb 2 3 Jyvre Dyb 4 Lister Tief 3 5 Hörnum Tief 6 Norderaue 7 Süderaue 8 Hoogeloch 4 9 Rummeloch West 10 Norderhever-Heverstrom 11 Tümlauer Bucht 5 12 Eidermündung 6 13 Wesselburener Loch 14 Piep/Meldorfer Bucht 7 15 Flackstrom 16 Neufahrwasser 8 9 10 17 Schatzkammer 18 Elbe 11 19 Westertill/Nordertill 20 Robinbalje 12 21 Weser 13 22 Jade/Jadebusen 14 23 Blaue Balje 15 24 Harle 16 25 Otzumer Balje 17 26 Accumer Ee 19 18 27 Wichter Ee 28 Norderneyer Seegat 20 25 24 23 29 Osterems 27 26 30 Eems-Dollard 28 21 22 31 Schild 29 Legend 32 Lauwers 31 sublittoral 33 Eijerlanderbalg 3332 35 34 very small 34 Zoutkamperlaag 36 30 35 Pinkegat small 36 Amelander Zeegat 37 medium 37 Vlie large 38 Eierlandse Gat 38 very large 39 Marsdiep 39 kra et al. 2010 PRW: (dal basin inventory pre-study: preliminary results CWSS/HWK PRW Pre-Study Tidal Basins (C) 2010 dkraft 11 Characteris(cs of TBs: inter(dal area (dal basins 1 1 Graadyb 2 Knude Dyb 2 3 Jyvre Dyb 4 Lister Tief 3 5 Hörnum Tief 6 Norderaue 7 Süderaue 8 Hoogeloch 4 9 Rummeloch West 10 Norderhever-Heverstrom 11 Tümlauer Bucht 5 12 Eidermündung 6 13 Wesselburener Loch 14 Piep/Meldorfer Bucht 7 15 Flackstrom 16 Neufahrwasser 8 9 10 17 Schatzkammer 18 Elbe 11 19 Westertill/Nordertill 20 Robinbalje 12 21 Weser 13 22 Jade/Jadebusen 14 23 Blaue Balje 15 24 Harle 16 25 Otzumer Balje 17 26 Accumer Ee 19 18 27 Wichter Ee 28 Norderneyer Seegat 20 25 24 23 29 Osterems 27 26 30 Eems-Dollard 28 21 22 31 Schild 29 Legend 32 Lauwers 31 intertidal 33 Eijerlanderbalg 3332 35 34 very small 34 Zoutkamperlaag 36 30 35 Pinkegat small 36 Amelander Zeegat 37 medium 37 Vlie large 38 Eierlandse Gat 38 very large 39 Marsdiep 39 kra et al. 2010 PRW: (dal basin inventory pre-study: preliminary results CWSS/HWK PRW Pre-Study Tidal Basins (C) 2010 dkraft 12 Characteris(cs of TBs: subliYoral vs. inter(dal area (dal basins 1 1 Graadyb 2 Knude Dyb 2 3 Jyvre Dyb 4 Lister Tief 3 5 Hörnum Tief 6 Norderaue 7 Süderaue 8 Hoogeloch 4 9 Rummeloch West 10 Norderhever-Heverstrom 11 Tümlauer Bucht 5 12 Eidermündung 6 13 Wesselburener Loch 14 Piep/Meldorfer Bucht 7 15 Flackstrom 16 Neufahrwasser 8 9 10 17 Schatzkammer 18 Elbe 11 19 Westertill/Nordertill 20 Robinbalje 12 21 Weser 13 22 Jade/Jadebusen 14 23 Blaue Balje 15 24 Harle 16 25 Otzumer Balje 17 26 Accumer Ee 19 18 27 Wichter Ee 28 Norderneyer Seegat 20 25 24 23 29 Osterems 27 26 28 30 Eems-Dollard 21 Legend 22 31 Schild 29 sub- vs intertidal 32 Lauwers 31 3332 much smaller 33 Eijerlanderbalg 35 34 34 Zoutkamperlaag 36 30 smaller 35 Pinkegat equal 36 Amelander Zeegat 37 larger 37 Vlie much larger 38 Eierlandse Gat 38 39 Marsdiep 39 kra et al.