Éducation, culture et sport

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.;...

Total stem number by cause 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 cause of damage (including no damage, dead or lying) was determined. One tree may have...

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...

Forest area by natural hazard

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

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,...

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...

Total basal area

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

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...

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...

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...

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,...

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...

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...

Salvage logging*

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 removed from the forest as a result of damage occurring (e.g. windthrow, avalanches, insects,...

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...

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:

...