Table 8 Data dictionary for soil carbon and nitrogen (dataset iv) from elevational gradients with and without nutrient input from a seabird colony, in Bjørndalen and on Lindholmhøgda, respectively, near Longyearbyen, Svalbard.

From: Plant traits and associated data from a warming experiment, a seabird colony, and along elevation in Svalbard

Variable name

Description

Variable type

Variable range or levels

Units

How measured

Gradient

Elevational gradient; C = reference, B = nutrient input gradient (seabird colony)

categorical

B – C

 

defined

Site

Site as a number 1–7

numeric

1–7

 

defined

PlotID

Plot ID from A to G

categorical

A–G

 

defined

Variable

Soil nutrient variable; C = carbon, N = nitrogen

categorical

C–N

 

defined

Value

Soil nutrient content

numeric

0.096 – 28.388

percentage

recorded

Weight_mg

Weight of soil sample

numeric

3.522 – 8.812

mg

recorded

Elevation_m

Elevation of site

numeric

9.759 – 238.159

m a.s.l.

recorded

Longitude_E

Longitude of site

numeric

15.34 – 15.712

Degree east

recorded

Latitude_N

Latitude of site

numeric

78.207 – 78.239

Degree north

recorded

  1. The dataset contains 70 observations sampled across the two elevational gradients. Variable names, description variable type, range or levels, units and short description is given for all variables.