Description Usage Format Details
This is the processed root data. Each row is a set of roots at a given (1) site, (2) date, and (3) depth bin. Mean root length, mean root diameter, and total (sum) root biomass at each depth bin for each date and each site is given, along with their respective standard deviations and sample sizes.
1 |
A data frame of 84 rows and 15 columns.
Either 'Adenostoma' or 'Grass'
date that the image was taken
categorical depth, 0-9.99, 10-10.99, etc.
average root length of each root group, in mm
standard deviation of each root group length, in mm
sample size of each root group used in length means
average root diameter of each root group, in mm
standard deviation of each root group diameter, in mm
sample size of each root group used in diameter means
sum biomass of each root group, in grams
standard deviation of each root group biomass, in grams
sample size of each root group used in biomass sums
mean biodensity of each root group, g cm^-3
standard deviation of each root group biodensity, g cm^-3
sample size of each root group used in mean biodensity
...
Depth bins are as follows:
1: 0 - 9.99 cm below surface level 2: 10 - 19.99 cm 3: 20 - 29.99 cm 4: 30 - 39.99 cm 5: 40 - 49.99 cm 6: 50 - 60 cm
The pre-processing is done in:
'SDEF_roots_pre_process'
and
'SDEF_roots_pre_aggregation'
in that order.
Process for making this data set is in 'SDEF_roots_post_aggregation.Rmd'
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