Classification descriptions NFI10


Cutting method    Cutting methods available in MELA: 1) intermediate cutting and 2) final cutting
  • Final cutting: Clear cutting, seed tree and shelterwood cuttings
  • Intermediate cuttings: Thinnings based on the recommendations of number of trees or of basal area and over story removal.
     
  • d1.3 -class    Classification of trees according to the diameter at the breast height cf. MELA2007 Reference Manual (2007).
  • ≤ 10 cm: < 10,5 cm
  • 11-20 cm: 10,5 ≤ x < 20,5 cm
  • 21-30 cm: 20,5 ≤ x < 30,5 cm
  • ≥ 31 cm: ≥ 30,5 cm
     
  • Management category    Classification is based on the NFI data concerning administrative restrictions for wood production
  • Wood production: Land available for wood production without restrictions or with restriction
  • Protected forests: No wood production allowed
     
  • NFI age    Classification is based on the estimated mean age of a stand of NFI plot. The stand age is increasing along the calculation years and the age resets to zero with final cutting.
  • ≤ 20 y: ≤ 20 y
  • 21-40 y: 21 ≤ x ≤ 40 y
  • 41-60 y: 41 ≤ x ≤ 60 y
  • 61-80 y: 61 ≤ x ≤ 80 y
  • 81-100 y: 81 ≤ x ≤ 100 y
  • 101-120 y: 101 ≤ x ≤ 120 y
  • ≥ 121 y: ≥ 121 y
     
  • Owner    Classification of the owner category is based on the tenure data of the NFI10.
  • Non-industrial owners: Private persons or families, undistributed estates, municipalities and parishes
  • Industrial owners: Companies and state
     
  • Soil and peatland category    Classification of land is based on the field measurements of the NFI10 (2004-2008).
  • Mineral soils: Mineral land
  • Peatland (organic soils): Spruce mires, pine mires, barren and treeless mires
     
  • Tree species    Classification by trees.
  • Pine: Scotch pine and other coniferous species except Norway spruce
  • Spruce: Norway spruce
  • Birch: Silver and downy birch
  • Other deciduous: Other deciduous species