Suitable habitat prediction
We use a maximum entropy modeling algorithm implemented in the program
Maxent v.3.4.1 (Phillips et al. 2006, Phillips and Dudik 2008) to
predict suitable habitat. Maxent uses environmental variables from
localities at which a species has been documented previously to build a
predictive model of where else the clades may occur due to the presence
of similar environmental conditions (Elith et al. 2011). To assess model
performance, we calculated the average value of the area under the
receiver operating characteristic curve (AUC) for training and test
datasets (Swets 1988), AUC takes on values ranging from 0.5 (no better
discrimination than random) to 1 (perfect discrimination).