Données

Forest area by forest function

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

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 no...

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.;...

Biomass of total dead wood

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

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:

...

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...

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...

Number of forest plots

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

Amount of dead wood

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

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...

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...

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...

Length of forest roads

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

...

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...

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"...

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.;...

Volume of dead wood NFI1

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 recorded according to the NFI1 method. In NFI1 only those dead trees were...

Basal area

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

Yield*

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

Forest area

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

Total stem number NFI1

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 recorded according to the NFI1 method. In NFI1 only those dead trees were recorded whose wood could...

Biomass of lying dead wood (LIS)

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

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 less...