boundaries: Boundaries of the German National Inventory 2022

In treePlotArea: Correction Factors for Tree Plot Areas Intersected by Stand Boundaries

Boundaries of the German National Inventory 2022

Description

An extract from the the federal database. Refer to Aufnahmeanweisung für die vierte Bundeswaldinventur (2021 - 2022).

Usage

data("boundaries", package = "treePlotArea")

Format

A data frame with 148 observations on the following 13 variables. Variables not needed with the package are marked with an asterisk.

tnr

The tract id.

enr

The corner id. A tract may have up to 4 corners on wooden floor.

vbl

* An indicator giving the country. 804 denotes Baden-Wuerttemberg.

rnr

* The boundary id.

rk

An indicator giving the validity of the boundary. Values of 9 or higher indicate that this boundary is not valid (any more).

rart

An indicator giving the type of the boundary (stand or forest boundary, for example).

rterrain

* An Indicator giving the type of terrain behind the border.

spa_gon

The azimuth in gon of the starting point of the boundary.

spa_m

The distance to the starting point of the boundary in centimeter

spk_gon

As above, for the boundary's flexing point.

spk_m

As above, for the boundary's flexing point.

spe_gon

As above, for the boundary's stopping point.

spe_m

As above, for the boundary's stopping point.

References

Aufnahmeanweisung für die vierte Bundeswaldinventur (2021 - 2022) Johann Heinrich von Thünen-Institut. Bundesforschungseinheit für Ländliche Räume, Wald und Fischerei, Thünen-Institut für Waldökologie.

Examples

boundaries <- get(data("boundaries", package = "treePlotArea"))

treePlotArea documentation built on June 22, 2024, 6:57 p.m.