Fig. 7From: Establishment strategy of a rare wetland species Sparganium erectum in KoreaMean total biomass for planted seedlings of S. erectum harvested at the end of the experiment. Vertical bars indicate ±SE. Different letters indicate significant differences at the 5% level based on Duncan’s test among the groups of means. Total dry mass at the 20 cm water level was excluded from statistical analysis because there was only one sampleBack to article page