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Fire Ecology
Figure 4 | Fire Ecology

Figure 4

From: Fire History of a Lower Elevation Jeffrey Pine-Mixed Conifer Forest in the Eastern Sierra Nevada, California, USA

Figure 4

Superposed epoch analysis of all fire years for the Palmer Drought Severity Index (PDSI), Pacific Decadal Oscillation (PDO), and El Niño Southern Oscillation (NINO3) for two time periods: pre-settlement (1700 to 1859) and post-settlement (1860 to 2006). Black bars are statistically significant and the dashed lines represent the upper and lower 95% confidence intervals.

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