Fig. 2.Changes in forest characteristics after a wildfire in an unmanaged Jeffrey pine-mixed conifer forest in northern Sierra San Pedro Martir (SSPM), northwestern Mexico (n=27 plots): frequency distribution of Winkelmass (Wi) values for live trees (A) and live seedlings (B) (pre-wildfire, white bars; 1-yr post-wildfire, black bars), live-tree density (C) by size class (pre-wildfire, entire bars; 1-yr post-wildfire gray bars; 3-yr post-wildfire, black bars), and live-seedling density (D) by location relative to shrub and overstory crown cover (pre-wildfire, white bars; 1-yr post-wildfire, black bars).