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Fire Ecology
Figure 4 | Fire Ecology

Figure 4

From: Effects of Multiple Wildland Fires on Ponderosa Pine Stand Structure in Two Southwestern Wilderness Areas, USA

Figure 4

Basal area growth of 18 large (>50 cm dbh) ponderosa pine trees for stands in the Gila Wilderness burned in 1946 and then again during WFU (open symbols) contrasted with stands that burned only during the WFU era (filled symbols). Years represent midpoint of 10-year intervals. Error bars represent ±1 standard deviation. * indicates significant differences at α = 0.05.

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