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Table 1 Spatial and temporal comparison of fire intervals in the Rincon Peak study area in southeastern Arizona. Fire intervals were compared between two time periods (1648–1763 and 1763–1867) and two areas (i.e., forests in the northern and southern parts) within the Rincon Peak study area. Fire history plots are fire chronologies based on multiple fire-scarred trees collected within a 2 hectare area. Fire-interval descriptive statistics are computed using the following filters: All = all fire years when two or more plots recorded a fire and >50 % = fire years when ≥50% of recording plots recorded a fire within the north and south parts of the study area, respectively.

From: Spatially and Temporally Variable Fire Regime on Rincon Peak, Arizona, USA

Time period

Northa

All

>50%

1648–1763

Mean

9.6

14.4

Median

10.5

14.5

# of Intervals

12

8

St. Dev.

3.5

5.5

1763–1867

Mean

34.7

52.0

Median

44.0

52.0

# of Intervals

3

2

St. Dev.

19.7

5.7

1648–1763

Mean

10.5

12.8

Median

10.0

11.0

# of Intervals

11

9

St. Dev.

5.5

6.5

1763–1867

Mean

17.3

20.8

Median

12.0

13.0

# of Intervals

6

5

St. Dev.

15.1

16.2

  1. a North includes plots 1–10 and 21.
  2. b South includes plots 11–20 in Figure 1.