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. 2013 Oct 21;8(10):e77361. doi: 10.1371/journal.pone.0077361

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