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36 jeux de données trouvés

  • Basal area of dead wood

    EnviDat: le portail de données environnementales
    Éducation, culture et 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.;...

    Dernière mise à jour: 11 avril 2022

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  • Biomass of standing dead trees

    EnviDat: le portail de données environnementales
    Éducation, culture et sport

    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, the...

    Dernière mise à jour: 11 avril 2022

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  • Mortality

    EnviDat: le portail de données environnementales
    Éducation, culture et 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...

    Dernière mise à jour: 11 avril 2022

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  • Biomass of live trees

    EnviDat: le portail de données environnementales
    Éducation, culture et sport

    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. The...

    Dernière mise à jour: 11 avril 2022

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  • Volume

    EnviDat: le portail de données environnementales
    Éducation, culture et 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...

    Dernière mise à jour: 11 avril 2022

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  • Total timber volume NFI1

    EnviDat: le portail de données environnementales
    Éducation, culture et 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...

    Dernière mise à jour: 11 avril 2022

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  • Biomass above ground of live trees

    EnviDat: le portail de données environnementales
    Éducation, culture et sport

    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...

    Dernière mise à jour: 11 avril 2022

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  • Yield of live bole wood

    EnviDat: le portail de données environnementales
    Éducation, culture et 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...

    Dernière mise à jour: 11 avril 2022

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  • Increment

    EnviDat: le portail de données environnementales
    Éducation, culture et 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...

    Dernière mise à jour: 11 avril 2022

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  • Increment*

    EnviDat: le portail de données environnementales
    Éducation, culture et 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...

    Dernière mise à jour: 11 avril 2022

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  • Net increment*

    EnviDat: le portail de données environnementales
    Éducation, culture et 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...

    Dernière mise à jour: 11 avril 2022

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  • Total timber volume

    EnviDat: le portail de données environnementales
    Éducation, culture et 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...

    Dernière mise à jour: 11 avril 2022

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  • Net increment

    EnviDat: le portail de données environnementales
    Éducation, culture et 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...

    Dernière mise à jour: 11 avril 2022

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  • Mass of merchantable branches of live trees

    EnviDat: le portail de données environnementales
    Éducation, culture et sport

    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.;...

    Dernière mise à jour: 11 avril 2022

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  • Volume of bole wood (HG 2000)

    EnviDat: le portail de données environnementales
    Éducation, culture et 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...

    Dernière mise à jour: 11 avril 2022

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  • Bole wood mass of live trees

    EnviDat: le portail de données environnementales
    Éducation, culture et sport

    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 it...

    Dernière mise à jour: 11 avril 2022

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  • Stem number of dead wood

    EnviDat: le portail de données environnementales
    Éducation, culture et sport

    Number of stems of dead trees and shrubs (standing and lying) starting at 12 cm dbh.

    Citation:

    _Abegg, M.; Brändli, U.-B.; Cioldi, F.; Fischer, C.; Herold-Bonardi, A.; Huber...

    Dernière mise à jour: 11 avril 2022

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  • Yield and mortality*

    EnviDat: le portail de données environnementales
    Éducation, culture et 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...

    Dernière mise à jour: 11 avril 2022

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  • Volume of dead wood

    EnviDat: le portail de données environnementales
    Éducation, culture et 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"...

    Dernière mise à jour: 11 avril 2022

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  • Total stem number

    EnviDat: le portail de données environnementales
    Éducation, culture et 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.;...

    Dernière mise à jour: 11 avril 2022

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