Table 2.
Overview and description of data set variables of the subplot-level data record based on the 2018 sampling campaign.
| Parameter short name | Unit | Description | Example |
|---|---|---|---|
| Event | — | ID of the event | SUSALPS-RS2018_EL1-01 |
| Subplot | — | ID of subplot | EL1-01 |
| Latitude | ° | y coordinate in EPSG 4326 | 47.5921016 |
| Longitude | ° | x coordinate in EPSG 4326 | 11.1586356 |
| Date/Time | — | sampling date | 2018-04-25 |
| Site | — | site abbreviation | EL |
| Plot | — | plot abbreviation | EL1 |
| Canopy h | cm | bulk canopy height; measured with a rising plate meter (RPM) | 7.8 |
| Leaf mass area | g m−2 | leaf mass per area (LMA) for a certain PFT sample; calculated from dry weight of leafs (W) and fresh area of leafs (A) as LMA = W/A | 46.2 |
| PFT | — | plant functional type (PFT) of LMA sample | Graminoids |
| GAI legumes | — | green area index (GAI) of legumes; measured with planimeter | 0.1 |
| GAI graminoids | — | GAI of graminoids; measured with planimeter | 1.1 |
| GAI forbs | — | GAI of forbs; measured with planimeter | 0.0 |
| GAI tot | — | total GAI; calculated as sum of all GAI as GAI tot = GAI legumes + GAI graminoids + GAI forbs | 1.1 |
| Biom dm | g m−2 | weight of dry biomass scaled to 1 m² | 101.5 |
| Biom wm | g m−2 | weight of fresh (wet) biomass scaled to 1 m² | 491.2 |
| Non-green veg | % | percentage of non-green vegetation related to Biom dm | 2 |
| Legumes | % | percentage of legumes related to Biom dm | 3 |
| Forbs | % | percentage of forbs related to Biom dm | 1 |
| Graminoids | % | percentage of graminoids related to Biom dm | 94 |
| PWC | % | plant water content; calculated as PWC = (Biom wm - Biom dm)/Biom wm * 100 | 79.3 |
| N cont non-green veg | % | nitrogen content of non-green vegetation as wt.%; measured with element analyser CNS | 2.35 |
| C cont non-green veg | % | carbon content of non-green vegetation as wt.%; measured with element analyser CNS | 41.20 |
| N cont legumes | % | nitrogen content of legumes as wt.%; measured with element analyser CNS | 3.66 |
| C cont legumes | % | carbon content of legumes as wt.%; measured with element analyser CNS | 41.69 |
| N cont forbs | % | nitrogen content of forbs as wt.%; measured with element analyser CNS | 2.05 |
| C cont forbs | % | carbon content of forbs as wt.%; measured with element analyser CNS | 42.10 |
| N cont graminoids | % | nitrogen content of graminoids as wt.%; measured with element analyser CNS | 3.13 |
| C cont graminoids | % | carbon content of graminoids as wt.%; measured with element analyser CNS | 42.44 |
| N org | % | nitrogen content of a mixed sub-sample (plant community N) as wt.%; measured with element analyser CNS | 2.76 |
| C org | % | carbon content of a mixed sub-sample (plant community C) as wt.%; measured with element analyser CNS | 41.78 |
| N org | % | mean nitrogen content of a sample (plant community N) as wt.%; calculated from percentage of each PFT and the corresponding N content: N org = Non-green veg * N cont non-green veg + Legumes * N cont legumes + Forbs * N cont forbs + Graminoids * N cont graminoids | 3.12 |
| C org | % | mean carbon content of sample (plant community C) as wt.%; calculated from percentage of each PFT and the corresponding C content: C org = Non-green veg * C cont non-green veg + Legumes * C cont legumes + Forbs * C cont forbs + Graminoids * C cont graminoids | 42.39 |