Statistics Norway

The National Forest Inventory

3   Productive forest area1, by development class. The National Forest Inventory. 1 000 hectares and per cent
Year of inventory Total Development class
l ll lll IV V
  1 000 hectares
1951-1964 3 038  355  401  413 1 210  659
1964-1976 3 101  218  809  405  950  719
1982-1984 3 240  253  838  584  760  805
1986-1992 3 286  171  766  678  707  964
1994-1998 3 330  139  800  726  657 1 008
1998-2002 3 370  124  815  728  667 1 036
1999-2003 3 365  120  807  722  672 1 045
2001-2005 3 362 94  803  727  685 1 053
2002-2006 3 368 94  802  742  673 1 056
  Per cent
1951-1964  100 12 13 14 40 22
1964-1976  100 7 26 13 31 23
1982-1984  100 8 26 18 23 25
1986-1992  100 5 23 21 22 29
1994-1998  100 4 24 22 20 30
1998-2002  100 4 24 21 20 31
1999-2003  100 4 24 21 20 31
2001-2005  100 3 24 22 20 31
2002-2006  100 3 24 22 20 31
1  Refer to the counties Østfold, Akershus,Oslo, Hedmark, Oppland, Buskerud and Vestfold. These are the only counties that are included in all the inventory cycles presented.
Source: The Norwegian Forest and Landscape Institute. The National Forest Inventory, 2002-2006.

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