Table 2. Results of the multivariate analyses (RDA with forward selection) of interdependence between plant pollinator densities at each given plot.
plant | no. of plots with >4 pollinators recorded | meadow/verge | DCA of all flowering plants | plant species abundances selected | variability explained | |
1st axis | 2nd axis | |||||
Angelica sylvestris | 9 | n.s. | n.s. | n.s. | n.s. | |
Centaurea jacea | 30 | - | n.s. | n.s. | Centaurea (0.0064); Hypericum (0.0650) | 21.9% |
Hypericum spp. | 17 | - | n.s. | n.s. | Hypericum (0.0014) | 27.5% |
Ranunculus acris | 31 | - | 0.0048 | n.s. | Ranunculus (0.0002); Sanguisorba (0.0214) | 49.9% |
Sanguisorba officinalis | 19 | - | n.s. | 0.0964 | Sanguisorba (0.0008) | 46.0% |
Selinum carvifolia | 10 | - | n.s. | n.s. | Selinum (0.0544) | |
Succisa pratensis | 12 | n.s. | n.s. | n.s. | n.s. | |
Trifolium hybridum | 17 | - | n.s. | n.s. | Ranunculus (0.0418) | 18.7% |
Significant variables (p<0.05) given in bold, marginally significant (p<0.1) given in regular font, “-” denotes variable not included in forward selection (for details see Materials and Methods), variability explained – sum of varibiality in pollinator spectra explained by significant terms