Statistical data

Disturbance (Ontario)
2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990
Insects Footnote 1
Area defoliated by insects and containing beetle-killed trees (hectares)   2,114,198 1,474,416 1,860,233 2,781,130 1,322,656 859,499 610,091 416,503 423,345 375,517 562,225 664,097 772,897 1,945,195 1,978,846 1,403,604 1,579,086 4,912,154 8,807,630 13,470,052 7,325,512 4,288,235 3,415,217 2,939,371 5,357,892 11,049,215 8,448,692 18,683,593 39,811,660 31,753,231 16,371,642
Balsam fir sawfly     25 31 270 591                                                    
Forest tent caterpillar     35,026 1,004,373 2,348,545 1,123,591 682,985 468,866 195,626 27,716 54,623 60,424 8,912 42,858 371,494 370,759 469,832 1,277,534 4,490,042 8,245,965 13,279,988 7,210,432 3,653,583 2,986,118 1,789,115 854,269 243,125 166,060 655,256 16,051,424 18,870,508 9,480,408
Gypsy moth   583,157 47,431 14,930 21,712   2,529 23,335 8,451 8,123     385 39,476 31,094 10,350 1,242 177 59,413 153,674 7,345   15,399 3,060 5 7,214 19,879 5,645 9,784 34,460 347,415 77,648
Jack pine budworm   1,060,622 1,029,916 625,955 100,510 5,086 21,349 22,010 91,865 61,018 27,765 44,968 205,701 168,453 536,051 740,116 92,219 851               103,851 293,292 419,344 282,247 158,704 133,618 30,325
Mountain pine beetle                                                                
Spruce beetle                                                                
Spruce budworm   447,730 343,426 136,410 147,546 119,462 149,310 30,317 348 99,797 242,921 412,320 291,585 418,729 849,045 797,206 337,485 279,824 229,726 131,123 169,882 115,080 81,204 141,287 53,526 435,931 3,451,118 4,266,631 8,991,177 9,595,762 9,065,781 6,783,261
Western spruce budworm                                                                
Other insects   22,689 18,592 78,533 162,547 73,925 3,326 65,563 120,213 226,691 50,208 44,513 157,514 103,381 157,511 60,415 502,826 20,700 132,973 276,868 12,837   538,049 284,752 1,096,725 3,956,627 7,041,801 3,591,012 8,745,129 13,971,310 3,335,909  
Fires Footnote 2
Area burned (hectares) 793,326 15,484 269,726 265,697 112,930 86,210 42,734 6,372 51,091 153,043 635,976 14,836 20,694 1,417 40,677 149,988 42,351 1,718 319,117 182,245 10,866 6,778 328,327 158,172 38,620 449,002 612,563 83,604 104,665 175,994 318,811 183,613
Number of fires 1,198 614 541 1,339 781 657 675 309 582 1,635 1,340 933 391 344 1,129 2,292 1,978 435 1,043 1,163 1,596 653 1,025 2,291 1,646 1,275 2,150 1,079 742 960 2,560 1,612