Figure 5From: Age and Structure of Mature Knobcone Pine Forests in the Northern California Coast Range, USATree age grouping through hierarchical cluster analysis using summary statistics (mean, median, and standard deviation) of stand age calculated from 21 knobcone pine plots in the northern California Coast Range. See Figure 2 for plot locations within the study area. Age class distribution within each stand is shown in Figure 3.Back to article page