Fig. 5.

Above- and belowground biomass (means and standard errors) of P. pectinatus and P. perfoliatus in the transplant experiment during various times of the year in 2000 and 2001. six plots where P. perfoliatus was planted in May 2000 and where above- and belowground biomass was protected against waterbird herbivory until December 2000, P six plots where P. perfoliatus was planted in May 2000 and above- and belowground biomass was protected against waterbird herbivory until August 2000, p six “unplanted” plots without protection against herbivores until December 2000. All 18 plots were protected from waterbirds after December 2000 with metal nets covering the bottom