Table 4.
Data dictionary for community height (dataset ii-a) from an ITEX warming experiment in Endalen, Svalbard.
| Variable name | Description | Variable type | Variable range or levels | Units | How measured |
|---|---|---|---|---|---|
| Site | Site as the habitat; DH = Dryas heath, CH = Cassiope heath and SB = snowbed | categorical | CH – SB | defined | |
| Treatment | Warming treatment; CTL = ambient conditions, OTC = warmed by Open top chamber (OTC) | categorical | CTL – OTC | defined | |
| PlotID | Unique ID as the combination of Site and number; SB-1 | categorical | CH-1 – SB-9 | defined | |
| Year | Year of sampling | numeric | 2009 – 2015 | yyyy | recorded |
| Height | Vegetation height recording height at 100 pinpoint (2015) or highest individuals (2009) | numeric | 0.423 – 7.35 | cm | recorded |
| Method | Methods used to measure vegetation height | categorical | highest_ind – pinpoint | recorded | |
| Flag | Flagging problems in the data | categorical | Iced – Iced | recorded | |
The dataset contains 60 observations of 30 vegetation plots in 2009 and 2015. Variable names, description variable type, range or levels, units and short description is given for all variables.