boundaries {treePlotArea}

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"))