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Topic: number of woody species (≥40 cm high) [144]

Number of species of trees and shrubs that occur within the 200 m² circle on the sample plot with at least one living individual ≥40 cm high.

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instructions

Topic (target variable):

number of woody species (≥40 cm high)

(48)

Number of species of trees and shrubs that occur within the 200 m² circle on the sample plot with at least one living individual ≥40 cm high.

area

forest area

(576)

All areas designated as forest according to the NFI forest definition. The forest definition includes shrub forest. The target variable "forest area" is also used when classifying the total area as forest or non-forest.

basal area

(72)

Sum of the stem cross-sectional areas at a height of 1.3 m (level for measuring diameter at breast height [dbh]) of living trees and shrubs (standing and lying) with a dbh ≥12 cm.

total basal area

(120)

Sum of the stem cross-sectional areas at a height of 1.3 m (level for measuring diameter at breast height [dbh]) of all living and dead trees and shrubs (standing and lying) with a dbh ≥12 cm. The total basal area corresponds to the sum of the basal area and the deadwood basal area.

total basal area NFI1

(48)

Sum of the stem cross-sectional areas at a height of 1.3 m (level for measuring diameter at breast height [dbh]) of all living and dead trees and shrubs (standing and lying) with a dbh ≥12 cm according to the method used in NFI1. In NFI1, dead trees were only included if their wood was still usable. The total basal area NFI1 corresponds to the sum of the basal area and the deadwood basal area NFI1.

woody species