65 datasets found

Keywords: GRID NFI4 2009-2013

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  • Net increment

    Increment including ingrowth minus the mortality. The correction for bias with the sample Tarif trees may be so drastic that it results in negative values with small numbers...
  • Mortality*

    Volume of stemwood with bark of all trees and shrubs starting at 12 cm dbh that died or disappeared between two inventories, but were not cut. *In the calculation no D7/tree...
  • Mortality

    Volume of stemwood with bark of all trees and shrubs starting at 12 cm dbh that died or disappeared between two inventories and that were not harvested. The correction for bias...
  • Mass of needles or leaves of live trees

    Dry weight (mass) of the needles and leaves of the living trees and shrubs starting at 12 cm dbh. Citation: Abegg, M.; Brändli, U.-B.; Cioldi, F.; Fischer, C.; Herold-Bonardi,...
  • Mass of merchantable branches of live trees

    Dry weight (mass) of branches with a diameter of at least 7 cm from living trees and shrubs starting at 12cm dbh. Citation: Abegg, M.; Brändli, U.-B.; Cioldi, F.; Fischer, C.;...
  • Length of forest roads

    The length of forest roads corresponds to the length of the NFI forest roads. This length was calculated according to the method of the specific NFI concerned. Citation: Abegg,...
  • Length of forest edge

    Length of the forest edge calculated on the basis of the forest boundary lines determined in the aerial photo. Citation: Abegg, M.; Brändli, U.-B.; Cioldi, F.; Fischer, C.;...
  • Increment*

    Increase in the volume of stemwood with bark of the surviving trees and shrubs starting at 12 cm dbh between two inventories and the losses (modelled for the half period), plus...
  • Increment

    Increase in the volume of stemwood with bark of the trees and shrubs starting at 12 cm dbh that have survived between two inventories and of the losses (modelled for the half...
  • Forest area by natural hazard

    For each natural hazard process according to FOEN’s SilvaProtectCH, the size of the forest area affected is given. One forest region may be affected by several different natural...
  • Forest area by forest function

    The forest area refers to all areas classified as forest according to NFI’s forest definition. The forest definition includes shrub forest. For each forest function (including...
  • Forest area

    The forest area is the total sum of all areas classified as forest according to NFI’s forest definition. The forest definition includes shrub forest. This theme is also used to...
  • Diversity of woody species

    Index based on the number of tree and shrub species starting at 12 cm dbh in the upper layer and the occurrence of especially ecologically valuable tree and shrub species...
  • Bole wood mass of live trees

    Dry weight (mass) of the stemwood with bark of the living trees and shrubs starting at 12 cm dbh. The correction for bias with the sample Tarif trees may be so drastic that...
  • Biomass of total dead wood

    Dry weight (mass) of all deadwood. This consists of the standing dead trees and shrubs starting at 12cm dbh and the lying deadwood starting at 7cm in diameter. Citation:...
  • Biomass of standing dead trees

    Dry weight (mass) of dead, standing trees and shrubs starting at 12 cm dbh. This consists of the tree parts: roots, stemwood and also, depending on the degree of decomposition,...
  • Biomass of lying dead wood (LIS)

    Dry weight (mass) of lying deadwood starting at 7 cm in diameter that does not fulfil the criteria for a tally tree (measurement location of dbh not identifiable or the dbh is...
  • Biomass of lying dead trees

    Dry weight (mass) of dead, lying trees and shrubs starting at 12 cm dbh. This consists of the tree parts: roots, stemwood and also, depending on the degree of decomposition of...
  • Biomass of live trees

    Dry weight (mass) of living trees and shrubs starting at 12 cm dbh. This consists of the tree parts: roots, stemwood, branch coarse wood, brushwood/twigs and needles/leaves....
  • Biomass above ground of live trees

    Dry weight (mass) of the aboveground parts of living trees and shrubs starting at 12 cm dbh. This consists of the tree parts: stemwood, branch coarse wood, brushwood/twigs and...
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