Table 8 Data dictionary for the root biomass validation transects (dataset vi-a) using ground penetrating radar and Sampled on an elevation gradient in Witsieshoek, South Africa in 2023.

From: Plant traits and associated ecological data from Afromontane grasslands of Maloti-Drakensberg, South Africa

Variable name

Description

Variable type

Variable range or levels

Units

How measured

transect

Transect number

categorical

1, 2

 

defined

scan_file

Name of DZT file generated by the GPR

character

ROOT_PFTC7_SITE1_(nogp)_transect_1 - ROOT_PFTC7_SITE4_(nogp)_transect_2

 

defined

sample_no

Number allocated to soil samples that were taken to determine root density

categorical

1–10

 

defined

variable

position (m), depth (m), amplitude (dB), pixel_count (count), dry_root_mass (g), stone_mass (g), dry_soil_mass (g), root_to_soil_ratio (g g−1), root_to_soil_and_stone_ratio (g g−1)

character

position - root_to_soil_and_rock_ratio

 

defined

value

Value of root biomass mapping and soil collection variables

numeric

0.001243 – 6583

m, dB, count, g, g g−1

measured

unit

Unit for variable values

character

m - g g−1

 

defined

  1. Variable names, descriptions, variable types, ranges or levels, units, and short descriptions are given for all variables. Note that variables that are shared across datasets are reported in Table 2.
Back to article page