Silviculture

2   Forest drainage1, 2, by county. 1991-2000
  Ditches Area drained Expenditure, total Of wich government subsidies
  Total Woodland Nutritious gradual flow bogs Other gradual flow bogs Ombrogenous bogs
  km *Decares *1 000 kr
1991 1 716 29 920 25 177 2 704 1 853 186 12 147 4 596
1992 1 233 22 441 18 513 2 550 1 334 44 9 313 3 608
1993 908 16 969 13 776 2 030 1 061 102 6 664 2 389
1994 683 12 969 11 706 350 884 29 5 046 1 642
1995 413 7 978 7 370 323 285 - 3 281 936
1996 339 7 774 7 139 328 307 - 2 556 649
1997 272 4 571 4 146 145 256 24 2 076 546
1998* 3 323 7 123 6 414 326 297 86 2 435 778
19994 311 5 776 5 221 150 386 19 2 495 686
2000*5 213 3 904 3 599 17 288 - 1 724 503
                 
2000*                
Østfold 1 45 45 - - - 7 -
Akershus og Oslo 0 9 7 2 - - 6 -
Hedmark 10 399 384 - 15 - 114 -
Oppland 3 266 266 - - - 41 -
Buskerud 1 31 31 - - - 15 -
Vestfold 0 10 10 - - - 6 -
Telemark 0 1 1 - - - 1 -
Aust-Agder - - - - - - - -
Vest-Agder 1 2 - 2 - - 6 -
Rogaland 0 21 - - 21 - 41 16
Hordaland 1 10 7 3 - - 6 1
Sogn og Fjordane - - - - - - - -
Møre og Romsdal 29 629 615 10 4 - 233 67
Sør-Trøndelag 20 259 259 - - - 148 49
Nord-Trøndelag 144 2 152 1 904 - 248 - 1 065 348
Nordland 4 70 70 - - - 34 21
Troms - - - - - - - -
Finnmark - - - - - - - -
1  The figures only comprise work financed with forest trust fund or government subsidies.
2  New ditches.
3  Figures for Finnmark are missing.
4  Figures for Troms are missing.
5  Expenditure for Finmark are not included.

Explanation of symbols