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25 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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  • 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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  • 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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  • Amount of dead wood

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

    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...

    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 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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  • 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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  • 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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  • 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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  • Yield and 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 were used, died or disappeared between two inventories. *In the calculation no D7/tree height data...

    Ultimo aggiornamento: aprile 11,2022

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  • Volume of dead wood

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

    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 NFI3"...

    Ultimo aggiornamento: aprile 11,2022

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  • Total stem number

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

    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.;...

    Ultimo aggiornamento: aprile 11,2022

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  • Volume of dead wood NFI1

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

    Volume of stemwood with bark of all dead trees and shrubs (standing and lying) starting at 12 cm dbh recorded according to the NFI1 method. In NFI1 only those dead trees were...

    Ultimo aggiornamento: aprile 11,2022

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  • Length of forest edge

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

    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.;...

    Ultimo aggiornamento: aprile 11,2022

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  • Basal area

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

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

    Citation:

    _Abegg,...

    Ultimo aggiornamento: aprile 11,2022

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  • Yield*

    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 cut between two inventories. *In the calculation no D7/tree height data were used. The values calculated...

    Ultimo aggiornamento: aprile 11,2022

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  • Forest area

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

    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...

    Ultimo aggiornamento: aprile 11,2022

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