Fig. 3From: Specialization in plant–pollinator networks: insights from local-scale interactions in Glenbow Ranch Provincial Park in Alberta, CanadaDistribution of plant pollinator interaction according to their network role [15] for a pollinators and b plants in disturbed sites. S specialists or peripheral, C connectors, H hub and MH Module Hub. Black lines indicate critical values according to Olesen et al. [15], gray line indicate 95% quantiles from 1000 null modelsBack to article page