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Table 1.1d Area (000 ha) of protected forest by age class.

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Ecozone	Age class										Uneven-aged
	0-40		41-80		81-120		121-160		161 +
	IUCN I–III	IUCN IV– VI and unclassifieda	IUCN I–III	IUCN IV– VI and unclassified	IUCN I–III	IUCN IV– VI and unclassified	IUCN I–III	IUCN IV– VI and unclassified	IUCN I–III	IUCN IV– VI and unclassified	IUCN I–III	IUCN IV– VI and unclassified
Arctic Cordillera	0	0	0	0	0	0	0	0	0	0	0	0
Northern Arctic	0	0	0	0	0	0	0	0	0	0	0	0
Southern Arctic	0	0	0	0	0	0	0	0	0	0	0	0
Taiga Plains	32	2	27	5	31	2	11	1	3	0	0	0
Taiga Shield	11	3	0	6	0	24	0	14	0	2	0	0
Boreal Shield	482	242	1 797	271	1 531	753	671	337	159	48	48	15
Atlantic Maritime	165	105	252	158	108	18	14	1	4	0	59	63
Mixedwood Plains	7	4	15	5	3	0	0	0	0	0	1	2
Boreal Plains	265	75	374	223	280	137	39	18	11	6	0	0
Prairies	3	0	12	0	27	0	1	0	0	0	0	0
Taiga Cordillera	0	0	0	0	0	0	0	0	0	0	0	0
Boreal Cordillera	83	0	116	5	142	4	219	3	383	3	0	0
Pacific Maritime	53	1	38	0	45	1	26	1	412	11	0	0
Montane Cordillera	209	22	490	38	613	31	387	7	1 238	15	0	0
Hudson Plains	1	8	2	12	3	17	9	10	2	1	0	0
Canada	1 311	462	3 123	723	2 783	987	1 377	392	2 212	86	108	80

^a Unclassified areas are protected areas that have not been assigned to an IUCN category.

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