Fig. 1: Geography and ecosystem health structure peatland environmental variation.
From: Ecosystem health shapes viral ecology in peatland soils
a, Map of the seven peatland sites. Natural, restored and damaged sampling blocks of EHS are coloured by their average EHI. The map shading indicates peatland cover. No natural blocks were sampled at Stean. b, PCoA of viral community Bray–Curtis dissimilarities (n = 60 soil samples). ANOSIM (999 permutations) shows significant separation by site (R = 0.656, P = 1.0 × 10−3, unadjusted). c, Site-specific PCoAs with ANOSIM statistics for separation of communities by EHS (999 permutations; exact R and P values shown on plots). d, The PCoA from b coloured by EHI. PerMANOVA (two-sided, 999 permutations) reports the marginal R2 for variance in community dissimilarity explained by EHI (R2index = 0.029, P = 4.5 × 10−3 BH-adjusted) and EHS (R2status = 0.051, P = 1.0 × 10−4, BH-adjusted). e, Linear regression of PCoA axis 1 against EHI, where the black line represents the fitted regression mean and the shaded band indicates the 95% confidence interval around the fitted line. Regression statistics from a linear model of the two axes are provided (R2 = 0.30, P = 5.28 × 10−6).
