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
2003-2007 3 378 93  793  741  679 1 072
2004-2008 3 391 91  789  748  679 1 084
2005-2009 3 519 95  784  759  730 1 151
  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
2003-2007  100 3 23 22 20 32
2004-2008  100 3 23 22 20 32
2005-2009  100 3 22 21 21 33
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. As from the inventory cycle 2005-2009, areas above the coniferous forest line are also included.
Source: The Norwegian Forest and Landscape Institute. The National Forest Inventory, 2005-2009.

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