Figure 4: Redundancy analysis (RDA) biplot representing the output of an RDA performed on allele frequency data from 89 Dodonaea viscosa ssp. angustissima samples from 17 populations. | Scientific Reports

Figure 4: Redundancy analysis (RDA) biplot representing the output of an RDA performed on allele frequency data from 89 Dodonaea viscosa ssp. angustissima samples from 17 populations.

From: Targeted capture to assess neutral genomic variation in the narrow-leaf hopbush across a continental biodiversity refugium

Figure 4

Open circles represent the ordinated allele frequencies (response variable); Red arrows represent spatial polynomials (explanatory variables) plotted as vectors. 58% of the total variation in the genetic data was constrained by the spatial explanatory variables. Of this constrained variation, 33% (p = 0.001) was constrained by axis one (RDA1), and 14% (p = 0.007) by axis two (RDA2). Significance of RDA was assessed using an analysis of variance (ANOVA).

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