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Fig. 11 | Fire Ecology

Fig. 11

From: Systematic review and meta-analysis of fire regime research in ponderosa pine (Pinus ponderosa) ecosystems, Colorado, USA

Fig. 11

Relationship between fire year and antecedent precipitation conditions from 12 fire history studies in ponderosa pine (Pinus ponderosa) ecosystems for two geographic regions, (A) Front Range (n = 19) and (B) southwestern (n = 20) in Colorado, USA, used in the fire regime meta-analysis of 2017. Y-axis represents the percent of all observations in each of three precipitation conditions: average precipitation, dry (below average), and wet (above average). Precipitation condition is derived from a combination of climate indices including, Palmer Drought Severity, tree-ring growth, NINO3 sea surface temperature, and others. X-axis represents the year relative to fire year (y−0 is fire year, y−1 is year before fire year, and so on)

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