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Table 2

Final models obtained in GLM explaining macrophyte species richness in water body types and for species groups with explained percent variability (V%). Signs “+” and “−” indicate positive or negative effect on species richness, respectively. Abbreviations are presented in Table 1.

Species group Water body type Variables V%
All species Rivers Su.fi (+), Turb (–) 37.8
Streams Wet (+), Field (+), Art (+) 46.9
Canals Alt (–), Shade (–), For (–), Su.fi (+), W.r (–) 72.1
Ponds Shade (+), Wet (+), Field(+), Su.sn (+), Cond (–), pH(–) 66.3
All Alt (–), Turb (–), Cond (–), Shade (–), Su.fi (+) 43.3
Wetland species Rivers Alt (–), For (–), Turb (–), pH (–) 77.6
Streams
Canals Shade (–), Su.fi (+), Su.gr (+) 56
Ponds Wet (–), Turb (–), NO3 (–), NO2 (–) 76.3
All Alt (–), Shade (–), Depth (+), Su.fi (+), Turb (–) 44.1

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