Primaire Rapportage
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Waterplantenonderzoek Zoete Rijkswateren, MWTL 2007-2009 Primaire rapportage 1 2 Waterplantenonderzoek Zoete Rijkswateren - MWTL 2007-2009 Primaire rapportage Rijkswaterstaat Waterdienst, rapport BM 09.22 Auteur: H. Coops - Scirpus Ecologisch Advies December 2009 3 4 Inhoud Primaire rapportage................................................................................................................................................................................9 Waterplanten in Rijkswateren.................................................................................................................................................................9 Opmerking en aanbevelingen................................................................................................................................................................11 Referenties.............................................................................................................................................................................................14 Meren.....................................................................................................................................................................................................15 Ijsselmeer.....................................................................................................................................................................................17 Algemeen.....................................................................................................................................................................................18 Ontwikkelingen 2005-2009..........................................................................................................................................................18 Beoordeling KRW-waterlichaam IJsselmeer (NL92_IJsselmeer)..................................................................................................20 Raaien..........................................................................................................................................................................................22 Markermeer.................................................................................................................................................................................28 Algemeen.....................................................................................................................................................................................29 Ontwikkelingen 2005-2009..........................................................................................................................................................29 Beoordeling KRW-waterlichaam Markermeer (NL92_Markermeer.............................................................................................31 Raaien...........................................................................................................................................................................................33 Randmeren Zuid...........................................................................................................................................................................37 Algemeen.....................................................................................................................................................................................38 Ontwikkelingen 2005-2009..........................................................................................................................................................38 Beoordeling KRW-waterlichaam Randmeren Zuid (NL92_Randmeren_Zuid)..............................................................................40 Randmeren Oost..........................................................................................................................................................................42 Algemeen.....................................................................................................................................................................................43 Ontwikkelingen 2005-2009..........................................................................................................................................................43 Beoordeling KRW-waterlichaam …...............................................................................................................................................45 Raaien...........................................................................................................................................................................................47 Ketelmeer – Vossemeer...............................................................................................................................................................57 Algemeen.....................................................................................................................................................................................58 Ontwikkelingen 2005-2009..........................................................................................................................................................58 Beoordeling KRW-waterlichaam Ketelmeer – Vossemeer (NL92_Ketelmeer).............................................................................60 Zwarte Meer................................................................................................................................................................................62 Algemeen.....................................................................................................................................................................................63 Ontwikkelingen 2005-2009..........................................................................................................................................................63 Beoordeling KRW-waterlichaam Zwarte Meer (NL92_Zwarte_Meer).........................................................................................65 Raaien...........................................................................................................................................................................................66 Volkerakmeer..............................................................................................................................................................................72 Algemeen.....................................................................................................................................................................................73 Ontwikkelingen 2005-2009..........................................................................................................................................................73 Beoordeling KRW-waterlichaam Volkerakmeer (NL92_Volkerak)..............................................................................................75 Zoommeer – Eendracht................................................................................................................................................................76 Algemeen.....................................................................................................................................................................................77 Ontwikkelingen 2005-2009..........................................................................................................................................................77 Beoordeling KRW-waterlichaam Zoommeer-Eendracht (NL92_Zoommedt).............................................................................79 Rivieren.................................................................................................................................................................................................80 Waal............................................................................................................................................................................................82 Algemeen.....................................................................................................................................................................................83 Ontwikkelingen 2007-2009..........................................................................................................................................................83 5 Beoordeling KRW-waterlichaam Waal........................................................................................................................................85 Nederrijn-Lek.............................................................................................................................................................................. 86 Algemeen.....................................................................................................................................................................................87 Ontwikkelingen 2007-2009..........................................................................................................................................................87 Beoordeling KRW-waterlichaam Nederrijn-Lek...........................................................................................................................89 Ijssel............................................................................................................................................................................................90