Extended Data Table 1 Model statistics for best candidate models from AIC-based model selection for species richness of native (S), native non-endemic (N), single-island endemic (SIE), and past-island-unit endemic (PIE) angiosperm species and proportions of endemic species (pSIE, pPIE) in dependence on past and present island characteristics

From: Late Quaternary climate change shapes island biodiversity

  1. Variables that quantify the change in island characteristics between the LGM and present are depicted by Δ. No. of entities represents the number of present island entities that made up single past island units during the LGM due to lower sea levels. Estimates are based on zero-mean-unit-variance standardized predictor variables for comparison (except for the spatial autocovariate). All best models were characterized by AIC values more than 7 units smaller than those for the second-best models. As measures of variability explained we provide pseudo-R2 values: D2adj, deviance explained adjusted for sample size and number of predictors99, McFadden, McFadden’s pseudo R2 (ref. 100), Efron, R2-value of a linear model between the observed and predicted values of the generalized linear models (GLM)101. Please note that Efron’s pseudo-R2 values for Poisson GLMs (S, N, SIE, PIE) probably overestimate the variability explained as the linear models between predicted and observed values were mainly driven by few large values. *P < 0.05, **P < 0.01, ***P < 0.001.
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