Figure 2From: Top-Down and Bottom-Up Controls on Fire Regimes Along an Elevational Gradient on the East Slope of the Sierra Nevada, California, USANumber of sites recording a fire scar date (bars on the primary y-axis) and sample depth (line on the secondary y-axis) in the Diamond Mountains, California. Sample depth is the number of sites with dated tree-ring material each year that had at least one fire scar and was susceptible to recording additional fires.Back to article page