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46 dataset trovati

  • Basal area of dead wood

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e sport

    Sum of the stem cross-section areas of all dead trees in a stand at a height of 1.3 m (dbh measurement height).

    Citation:

    _Abegg, M.; Brändli, U.-B.; Cioldi, F.; Fischer, C.;...

    Ultimo aggiornamento: aprile 11,2022

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  • Total stem number by cause of damage

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e sport

    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...

    Ultimo aggiornamento: aprile 11,2022

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  • Mortality

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e sport

    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...

    Ultimo aggiornamento: aprile 11,2022

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  • Forest area by natural hazard

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e sport

    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...

    Ultimo aggiornamento: aprile 11,2022

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  • Volume

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e sport

    Volume of stemwood with bark of living trees and shrubs (standing and lying) starting at 12 cm dbh. This corresponds internationally to the "growing stock". The correction for bias...

    Ultimo aggiornamento: aprile 11,2022

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  • Total timber volume NFI1

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e sport

    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 whose...

    Ultimo aggiornamento: aprile 11,2022

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  • Number of forest plots

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e sport

    Number of forest sample plots (Plots).

    Citation:

    _Abegg, M.; Brändli, U.-B.; Cioldi, F.; Fischer, C.; Herold-Bonardi, A.; Huber M.; Keller, M.; Meile, R.; Rösler, E.; Speich,...

    Ultimo aggiornamento: aprile 11,2022

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  • Yield of live bole wood

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e sport

    Volume of stemwood at least 7 cm in diameter (limit for coarse wood) without the bark and stump that were living trees or shrubs starting at 12 cm dbh in the pre-inventory and were...

    Ultimo aggiornamento: aprile 11,2022

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  • Total basal area

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e sport

    Sum of the stem cross-section areas of all living and dead trees and shrubs starting at 12 cm dbh at a height of 1.3 m (dbh measurement height).

    Citation:

    _Abegg, M.; Brändli,...

    Ultimo aggiornamento: aprile 11,2022

    • SERVICE
  • Increment

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e sport

    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...

    Ultimo aggiornamento: aprile 11,2022

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  • Salvage logging due to insects

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e sport

    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 insects, and...

    Ultimo aggiornamento: aprile 11,2022

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  • Increment*

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e sport

    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 the...

    Ultimo aggiornamento: aprile 11,2022

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  • Net increment*

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e sport

    Increment with ingrowth minus the mortality. *In the calculation no D7/tree height data were used. The values calculated like this have not been corrected for bias, but allow for...

    Ultimo aggiornamento: aprile 11,2022

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  • Total timber volume

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e sport

    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...

    Ultimo aggiornamento: aprile 11,2022

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  • Salvage logging due to wind*

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e sport

    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 windthrow,...

    Ultimo aggiornamento: aprile 11,2022

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  • Net increment

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e sport

    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 of...

    Ultimo aggiornamento: aprile 11,2022

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  • Volume of bole wood (HG 2000)

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e sport

    Wood volume of the stem without bark or stump at least 7 cm in diameter (limit of coarse wood) of all trees and shrubs starting at 12 cm dbh, based on the stem-form functions...

    Ultimo aggiornamento: aprile 11,2022

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  • Salvage logging*

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e sport

    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, insects,...

    Ultimo aggiornamento: aprile 11,2022

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  • Stand density (SDI)

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e sport

    The Stand Density Index (SDI) is a general measure for the density of a stocking and is based on the number of stems/ha and the average diameter of the tally trees on the sample...

    Ultimo aggiornamento: aprile 11,2022

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  • Length of forest roads

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e sport

    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:

    ...

    Ultimo aggiornamento: aprile 11,2022

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