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. 2025 Sep 22;15(9):e72217. doi: 10.1002/ece3.72217

TABLE 3.

Statistical properties of RDA models, using third‐corner approach to relate the ordination axes from models relating the distribution of 1386 butterfly species in 36 Indian federal states and union territories to predictors describing the states (summarised in Table 2), to life history traits of the butterflies. The models are visualised at Figures 3 and 4.

Model Varadj Eig1 Eig2 Eig3 Eig4 F p axis1 F p all axes
Ignoring phylogeny
Unconstrained (PCA) 18.0 0.101 0.062 0.013 0.008 15.5*** 31.3***
Geography RDA 22.4 0.156 0.061 0.010 0.002 25.3*** 40.9***
Climate RDA 23.7 0.156 0.074 0.013 25.4*** 44.1***
Land covers RDA 22.6 0.203 0.029 34.9*** 41.4***
Socioeconomics 29.6 0.265 0.036 49.6*** 59.1***
Considering phylogeny
Unconstrained (PCA) 11.1 0.056 0.012 0.005 0.003 12.0*** 16.8***
Geography RDA 13.0 0.065 0.007 0.004 0.001 16.2*** 19.8***
Climate RDA 10.5 0.047 0.011 0.004 0.002 11.3*** 15.8***
Land covers RDA 11.2 0.048 0.009 0.002 0.001 12.8*** 16.3***
Socioeconomics RDA 17.7 0.088 0.014 0.005 0.001 22.2*** 28.3***

Note: Monte‐Carlo permutation tests significance values: **p < 0.01, ***p < 0.001.