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...

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...

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...

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:

...

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...

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...

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...

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...

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...