65 datasets found

Keywords: GRID NFI4 2009-2013

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  • Total timber volume NFI1

    Volume of stemwood with bark of all living and dead trees and shrubs starting at 12 cm dbh recorded according to the NFI1 method. In NFI1 only those dead trees were recorded...
  • Salvage logging due to wind*

    Volume of stemwood with bark of all trees and shrubs starting at 12 cm dbh removed from the forest as a result of damage occurring between two inventories, in this case...
  • Total stem number by type of damage

    Number of all living and dead trees and shrubs starting at 12 cm dbh where a particular type of damage (including no damage, dead or lying) was observed. One tree may have more...
  • 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.;...
  • Yield and mortality*

    Volume of stemwood with bark of all trees and shrubs starting at 12 cm dbh that were used, died or disappeared between two inventories. *In the calculation no D7/tree height...
  • Number of forest edges

    Number of forest edges according to the NFI definition. Citation: Abegg, M.; Brändli, U.-B.; Cioldi, F.; Fischer, C.; Herold-Bonardi, A.; Huber M.; Keller, M.; Meile, R.;...
  • Salvage logging due to wind

    Volume of stemwood with bark of all trees and shrubs starting at 12 cm dbh removed from the forest between two inventories due to damage that occurred, in this case windthrow,...
  • 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...
  • Total stem number by cause of damage

    Number of all living and dead trees and shrubs starting at 12 cm dbh where a particular cause of damage (including no damage, dead or lying) was determined. One tree may have...
  • 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,...
  • Total timber volume

    Volume of stemwood with bark of all living and dead trees and shrubs (standing and lying) starting at 12 cm dbh. This corresponds to the sum of the volumes of growing stock and...
  • 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.;...
  • 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...
  • Salvage logging*

    Volume of stemwood with bark of all trees and shrubs starting at 12 cm dbh that were removed from the forest as a result of damage occurring (e.g. windthrow, avalanches,...
  • 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...
  • Total stem number NFI1

    Number of stems of all living and dead trees and shrubs starting at 12 cm dbh recorded according to the NFI1 method. In NFI1 only those dead trees were recorded whose wood...
  • 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....
  • Volume of dead wood

    Volume of stemwood with bark of all dead trees and shrubs (standing and lying) starting at 12 cm dbh. Unlike this theme , the "Amount of deadwood according to the method of...
  • Total stem number

    Number of stems of all living and dead trees and shrubs starting at 12 cm dbh. Citation: Abegg, M.; Brändli, U.-B.; Cioldi, F.; Fischer, C.; Herold-Bonardi, A.; Huber M.;...
  • Amount of dead wood

    Wood volume of all deadwood recorded according to the NFI3 method. For standing trees and shrubs starting at 12 cm dbh, the volume of stemwood reduced due to stem breakage is...
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