Table 4.1a. Relative standard errors (%) of area of forest and non-forest land by terrestrial ecozone in Canada.

Terrestrial ecozone	Forest land	Non-forest land			Total
		Other wooded land	Other land with tree cover	Other land
Taiga Plains	1.34	4.95	56.84	2.26	1.14
Taiga Shield	1.19	3.21	96.26	1.09	0.78
Boreal Shield	0.55	2.67	14.20	2.01	0.54
Atlantic Maritime	1.02	7.69	19.55	5.95	1.17
Mixedwood Plains	5.47	13.66	23.53	3.97	3.16
Boreal Plains	1.38	4.60	6.98	3.17	1.25
Prairies	9.19	16.12	6.74	0.61	0.70
Taiga Cordillera	4.49	9.25	-	1.85	1.80
Boreal Cordillera	2.40	6.66	66.97	2.65	1.73
Pacific Maritime	3.04	13.68	54.89	4.48	2.53
Montane Cordillera	1.28	9.02	33.64	3.82	1.33
Hudson Plains	2.92	2.95	39.72	2.00	1.47
Canada	0.41	1.50	4.72	0.59	0.33
Source: Canada's National Forest Inventory, combined remeasured (2007-2017) and projected (2006-2017 with NFI projection system) data (Version 3.1, October 2025) (http://nfi.nfis.org)
Note: The Arctic ecozones (Arctic Cordillera, Northern Arctic, Southern Arctic), and the Taiga Plains and Hudson Plains ecozones located in Nunavut, are not inventoried. These non-inventoried areas total 262,189.89 thousand ha.