Table 3 Description of each column in The Arctic plant aboveground biomass synthesis dataset.

From: The Arctic Plant Aboveground Biomass Synthesis Dataset

#

Column Name

Format

Units

Description

1

dataset_id

character

Dataset identifier assigned upon intake

2

contributor

character

Name(s) of data contributor(s)

3

country

character

Name of country where field data were collected

4

locale

character

Name of the general area where field data were collected

5

site_id

character

Site identifier that is unique within an individual dataset

6

site_code

character

Site code that is unique within the synthesis dataset based on concatenation of country, locale, and site_id

7

plot_id

character

Plot identifier that is unique within an individual site

8

plot_code

character

Plot code that is unique within the synthesis dataset based on concatenation of country, locale, site_id, and plot_id

9

coord_type

character

Coordinate type (site or plot)

10

latitude

numeric

°

Site or plot latitude in decimal degrees (WGS84)

11

longitude

numeric

°

Site or plot longitude in decimal degrees (WGS84)

12

year

numeric

year

Year when field data were collected

13

month

numeric

month

Month when field data were collected

14

day

numeric

day

Day of month when field data were collected

15

pft

character

Plant functional type (lichen, bryophyte, herb, shrub, tree, or total)

16

plot_area_m2

numeric

m2

Plot area used to harvest or survey vegetation

17

method

character

Method used to determine biomass dry weight (harvest, survey, harvest + survey, or unmeasured)

18

biomass_dry_weight_g

numeric

g

Aboveground biomass on sample plot in units of grams of oven-dried live biomass

19

biomass_density_gm2

numeric

g m2

Aboveground biomass on sample plot in units of grams of oven-dried live biomass per square meter of ground surface

20

vegetation_description

character

Description of the vegetation community where sampling occurred

21

site_description

character

Description of the field site where sampling occurred

22

bioclim_zone

character

Bioclimatic zone (High Arctic, Low Arctic, Oroarctic, or Subarctic)

23

mat_degC

numeric

°C

Mean annual temperature (1981–2010) from the Chelsa Bioclim dataset

24

gdd_degC

numeric

°C

Mean annual growing degree days (1981–2010) with a 0 °C base from the Chelsa Bioclim dataset

25

map_mm

numeric

mm

Mean annual precipitation (1981–2010) from the Chelsa Bioclim dataset

26

community_measured

logical

Were lichen, bryophyte, herb, shrub, and tree biomass measured on the sample plot? (true or false)

27

plants_measured

logical

Were bryophyte, herb, shrub, and tree biomass measured on the sample plot? (true or false)

28

nontree_measured

logical

Were lichen, bryophyte, herb, and shrub biomass measured on the sample plot? (true or false)

29

vascular_measured

logical

Were herb, shrub, and tree biomass measured on the sample plot? (true or false)

30

woody_measured

logical

Were shrub and tree biomass measured on the sample plot? (true or false)

31

citation

character

Full citation to the original data source

32

citation_short

character

Shortened citation to the original data source

33

notes

character

Miscellaneous notes