Table 2 Biomes (Cerrado, Amazonia, and both), treatments (BRIFs × No BRIFs and before × after BRIFs), area (ha) per brigade member, number of active fires corresponding to each treatment, and the difference between them.

From: Wildfire protection in indigenous lands of Brazil: the role of fire brigades programs

Biome

Program

Area (ha)/

brigade member

Active fires

2003-2012

Active fires

2014-2023

Difference in

active fires (%)

Cerrado + Amazon

BRIFs

46,283.4a

32,337 Aa

25,005 Ab

−22.7

No BRIFs

-

32,264 Aa

36,234 Bb

+ 12.3

Cerrado

BRIFs

11,043.4

23,353 Aa

16,190 Ab

−30.7

No BRIFs

-

23,239 Aa

25,866 Bb

+ 11.3

Amazon

BRIFs

81,523.5

8984 Aa

8815 Aa

−1.9

No BRIFs

-

9025 Aa

10,368 Bb

+ 14.9

  1. Different lowercase letters indicate significant differences between periods before (2003–2012) and after (2014–2023) the BRIFs, within the same treatments (BRIFs and No BRIFs), according to the Chi-Square Adherence test.
  2. Different capital letters indicate significant differences between treatments (BRIFs and no BRIFs) within the same biomes or both.
  3. aAverage between the Cerrado and Amazon biomes.