L'Institut fédéral de recherches sur la forêt, la neige et le paysage WSL

Salvage logging due to insects

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 removed from the forest between two inventories due to damage that occurred, in this case insects, and...

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...

Volume of bole wood (HG 2010)

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

Wood volume of the trunk without bark or branches at least 7 cm in diameter (limit for coarse wool) of all trees and shrubs starting at 12 cm dbh, based on the stem-form function...

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...

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...

Total basal area NFI1

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

Sum of stem cross-section areas at a height of 1.3 m (dbh measurement height) of all living and dead trees and shrubs starting at 12 cm dbh recorded according to the NFI1 method....

Yield of merchantable timber

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

Wood volume of the stem (without bark and stump) and the branches (with bark) at least 7 cm in diameter (limit for coarse wood) from trees and shrubs starting at 12 cm dbh that...

Number of woody species (from 40 cm height)

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

Number of species of living trees and shrubs starting at 40 cm plant height that occur within a 200 m2 sample plot.

Citation:

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

Yield of merchantable branches

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

Wood volume of branches with bark at least 7 cm in diameter (limit for coarse wood) of all living trees and shrubs starting at 12 cm dbh that were present in the pre-inventory and...

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 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.;...

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,...

Stand density (SDI)

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

Total stem number by type of damage

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

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...

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...

Salvage logging due to wind*

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 removed from the forest as a result of damage occurring between two inventories, in this case windthrow,...

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...

Number of woody species (>= 12 cm DBH)

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

Number of tree and shrub species starting at 12 cm dbh (diameter at breast height) within the 200 m2 sample plot.

Citation:

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

Stem number

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

Number of stems of living 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...

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...