Extended Data Fig. 1: Forest dieback in the region around the study sites.
From: Forest vulnerability to drought controlled by bedrock composition
a, Percentage reduction in evapotranspiration from 2014 to 2016 (colorbar) across a 14,876-pixel subset of nearby Landsat pixels (colored squares) with elevations between 1800 and 2400 m but still outside the extent of Pleistocene glaciation. NAIP imagery from 2014 (background) shows differences in vegetation density and white lines represent boundaries between bedrock types (Kbm is Bald Mountain Granite; Kdd is Dinkey Dome Granite; Kbl is Bass Lake Tonalite). b, The distribution of dieback differs markedly between the sites (p < 0.0001 for all three comparisons in a two-sample K-S test after adjusting for multiple comparisons) and collectively spans 94% of the range in dieback spanned by the surrounding region (black).
