tree_enrico: Tree-level data of 16 forest stands in Lower Saxony, Germany

In JonasGlatthorn/APAtree: Computation of the 'Area Potentially Available' (APA) to Trees

Description

This dataset contains tree-level data from the Enrico-project from 16 mixed forest stands in Lower Saxony, Germany.

Usage

tree_enrico

Format

A data.frame of 2813 trees on 16 plots. Tree coordinates are stored as 'simple feature column' (see the sf-package for more details):

id_tree

Unique tree id.

id_plot

Plot id's

species

Name of the tree species

position

Does the tree stand in the core plot ('plot') or in the 10 m buffer zone around the core plot ('buffer').

dbh

Diameter at breast height (1.3 m) in cm.

height

Top height of the tree in m. Estimated with a stand height curve.

crown_radius_95

Expected 95 % quantile of the crown radius of a tree of this species and diameter. Estimated according to allometric equations (Pretzsch et al. 2015)

crown_radius_95

Expected median of the crown radius of a tree of this species and diameter. Estimated according to allometric equations (Pretzsch et al. 2015)

tree_geometry

A sfc_POINT-column specifying tree coordinates relative to the plot center in meter.

References

Ammer, Christian; Annighoefer, Peter; Balkenhol, Niko; Hertel, Dietrich; Leuschner, Christoph; Polle, Andrea; Lamersdorf, Norbert; Scheu, Stefan; Glatthorn, Jonas (2020): RTG 2300 - Enrichment of European beech forests with conifers. PANGAEA, https://doi.org/10.1594/PANGAEA.925228

Pretzsch, H., Biber, P., Uhl, E., Dahlhausen, J., Roetzer, T., Caldentey, J., Koike, T., van Con, T., Chavanne, A., Seifert, T., Du Toit, B., Farnden, C., Pauleit, S., 2015. Crown size and growing space requirement of common tree species in urban centres, parks, and forests. Urban Forestry & Urban Greening 14 (3), 466-479.

JonasGlatthorn/APAtree documentation built on Dec. 18, 2021, 1:41 a.m.