Table 1.
Area of understorey forest fires (km2) during 1999–2010 by fire frequency. Numbers in parentheses indicate the fraction (0–100%) of repeated understorey forest fires in the Brazilian states of Mato Grosso and Pará, respectively.
| year | 1st | 2nd | 3rd | 4th | 5th | % repeated |
|---|---|---|---|---|---|---|
| 1999 | 6188.5 | — | ||||
| 2000 | 840.9 | — | ||||
| 2001 | 1564.5 | — | ||||
| 2002 | 2430.1 | 542.5 (99.8, 0.2) | 18.2 | |||
| 2003 | 2284.0 | 240.8 (99.4, 0.2) | 9.5 | |||
| 2004 | 4864.9 | 693.2 (95.9, 3.6) | 130.3 (100, 0) | 14.5 | ||
| 2005 | 13 557.2 | 720.4 (82.4, 11.1) | 98.9 (100, 0) | 5.7 | ||
| 2006 | 2482.6 | 465.4 (94.3, 4.5) | 176.6 (100, 0) | 32.3 (100, 0) | 21.4 | |
| 2007 | 21 902.5 | 3228.1 (57.8, 35.6) | 491.6 (90.7, 8.2) | 61.3 (100, 0) | 14.7 | |
| 2008 | 2253.6 | 333.8 (50.0, 37.0) | 68.2 (88.4, 6.7) | 11.8 (100, 0) | 2.5 (100, 0) | 15.6 |
| 2009 | 1199.0 | 148.3 (42.9, 42.0) | 21.7 (88.6, 11.4) | 7.2 (100, 0) | 1.7 (100, 0) | 13.0 |
| 2010 | 13 570.2 | 4303.1 (52.7, 31.6) | 530.7 (74.9, 21.4) | 88.1 (97.4, 1.0) | 7.6 (100, 0) | 26.6 |