Table 1 Names, abbreviations, trophic status (0=oligotrop hic; M = mesotrophic ; E=eutrophic; H = highly eutrophic), main 
algal species composition, Secchi depth transparency(SD), seston dry weightfDW), sum of chlorophyll a and 
phaeophytin (CHL) and cyanophycocyanin contents (CPC) of water bodies used in this research. NA=not analysed. See 
Dekker (1993) for a further information on location, method and analysis. 
Trophic 
Status 
SD 
(cm) 
DW 
(mg l 1 ) 
CHL 
(Mg l 1 ) 
CPC 
(Mg ï 1 ) 
shallow eutrophic (Cyanobacteria; Prochlorophyteae) 
LNW 
Naardermeer Wijde Blik 
HE 
25 
30 
130 
130 
LHA 
Hollands Ankeveen 
HE 
50 
19 
140 
110 
LWG 
Wijde Gat 
HE 
40 
45 
140 
67 
LWL 
Western Loenderveen 
E 
145 
3 
21 
29 
LEL 
Eastern Loenderveen 
HE 
50 
20 
89 
37 
LNP 
Nieuwe Polder 
HE 
24 
134 
NA 
LVU 
Vuntus 
HE 
40 
30 
130 
38 
LLO 
Loosdrecht 
HE 
45 
31 
120 
53 
LBR 
Breukeleveen 
HE 
37 
37 
116 
46 
shallow mesotrophic (Cryptophyceae; Chlorophyceae) 
LNG 
Naardermeer Groote Meer 
OM 
>100 
3 
4 
NA 
LNS 
Naardermeer Spookgat 
OM 
>120 
4 
10 
NA 
LSA 
Stichts Ankeveen 
ME 
120 
4 
27 
7 
LHO 
't Hoi 
OM 
150 
4 
12 
NA 
deep 
lakes (Diatoms; Cyanobacteria; Others) 
LSP 
Spiegel 
M 
365 
1 
6 
NA 
LWB 
Wijde Blik 
ME 
185 
16 
16 
7 
WR 
Water Reservoir 
OM 
490 
1 
5 
NA 
river 
& canal (Diatoms; Cyanobacteria) 
H1K 
Hilversumsch Kanaal 
V 
165 
15 
174 
57 
ARK 
Amsterdam-Rijn Kanaal 
E 
90 
28 
9 
NA 
RVE 
River Vecht 
HE 
60 
15 
14 
NA 
Table 1 gives an overview of the eutrophic status and water quality properties of the water samples. The DW, CHL 
and CPC were obtained from in triplo laboratory measurements (see Dekker, 1993 for further description of the water 
bodies).