Fig. 3From: Frequent but asymmetric niche shifts in Bulbophyllum orchids support environmental and climatic instability in Madagascar over Quaternary time scalesPredicted niche occupancy (PNO) profiles of niche clusters A, B, and C of Madagascan Bulbophyllum clade C (see Fig. 2): for (a) altitude, (b) temperature seasonality (bio4), (c) annual mean temperature (bio1), (d) precipitation seasonality (bio15), (e) annual precipitation (bio12), and (f) isothermality (bio3)Back to article page