Statistical data

Disturbance (Northwest Territories)

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)   749,149 486,741 519,868 513,837 348,439 129,106 270,847 82,879 314,885 56,205 66,846   35,040 35,040   1,304,479 2,402,898 1,959,409     837,588 487,556 489,317 59,500 370,300 53,600 90,000 130,000 102,600
Balsam fir sawfly                                                            
Forest tent caterpillar     1,045 135,984 102,901 1,200                                   136,349 22,700          
Gypsy moth                                                            
Jack pine budworm                                                            
Mountain pine beetle                                                            
Spruce beetle                                                            
Spruce budworm 215,753 391,615 245,859 122,473 174,263 76,400 53,539 61,457 41,861 83,702 56,205 66,846   35,040 35,040   1,304,479 2,402,898 1,959,409     837,588 487,556 352,968 36,800 370,300 53,600 90,000 130,000 102,600
Western spruce budworm                                                            
Other insects 593,867 357,534 239,837 261,411 236,673 270,839 75,567 209,390 41,018 231,183                                        
Fires Footnote 2
Area burned (hectares) 111,099 15,738 860,770 254,982 646,955 3,416,291 537,912 297,618 366,618 333,437 2,057 353,852 445,129 218,133 218,133 515,621 127,821 27,089 111,264 177,822 549,879 1,458,963 126,531 371,545 2,827,400 3,009,433 858,557 36,949 225,470 104,616
Number of fires 149 59 262 189 245 385 248 279 207 224 42 241 184 261 261 297 160 85 127 275 170 399 105 350 215 627 469 285 331 236