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Table 2 Summary statistics of site-level mean fire return interval results from 17 fire history studies by elevation group in ponderosa pine ecosystems in Colorado, USA, used in the fire regime meta-analysis of 2017. SE = standard error

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

  

Fire return interval (yr)

Group

n

Minimum

Maximum

Mean

Median

SE

All sites

78

3

66

21

19

1.4

<2400 m

24

3

40

15

14

1.6

>2400 m

54

6

66

24

22

1.8