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Table 1 Origin of field samples analyzed by the TaqMan Genotyping Assay (SNP) for allelic discrimination of the mcyT gene both as a remainder of the mcy gene cluster (nontoxic strains) and as part of the mcy gene cluster (toxic strains) [4, 12].

From: Stability of toxin gene proportion in red-pigmented populations of the cyanobacterium Planktothrix during 29 years of re-oligotrophication of Lake Zürich

Lake Country Number of samples Lake area (km2) Zmean (m) Zmax (m) Sampling period
Red-pigmented populationsa      
Lake Zürich CH 51 68 52 136 1977-2008
Irrsee AT 4 3.5 15 32 Sep-Dec 2003
Mondsee AT 22 16 36 68 Apr 2003-Dec 2004
Green-pigmented populations      
Albufera Lagoon ES 1 21 1 3 Aug 2004
Frederiksborg Slotssø DK 8 0.2 3 9 Jul-Oct 2003
Havel (Potsdam) DE 1 - 3 4 Sep 2004
Slotermeer NL 1 12.4 1.2 6 May 2004
Tjeukemeer NL 1 20 2 5 Oct 2004
Zeegerplas NL 3 0.7 18 34 Aug, Sep and Oct 2004
Wannsee DE 6 2.7 6 9 Feb-Mar and May-Aug 2000
Mixed-pigmented populations      
Klinkenberger Plas NL 3 0.3 - 30 May, Jul and Aug 2004
Steinsfjorden NO 6 13.9 10 24 Jul-Sep 2003, Jul 2004
  1. aPigmentation type was determined by visual inspection in the microscope. AT: Austria; CH: Switzerland; DE: Germany; DK: Denmark; ES: Spain; NL: Netherlands; NO: Norway.