Table 2 Data structure of the Plot-species-abundance file of ReSurveyGermany.

From: ReSurveyGermany: Vegetation-plot time-series over the past hundred years in Germany

Field name

Type

Description

PROJECT_ID

I

Number of the resurvey project in ReSurveyGermany; see Supplementary Table S1

RELEVE_NR

I

Plot observation ID, only unique within a RS_PROJECT, usually the original plot observation ID from the underlying Turboveg 2 database

PROJECT_ID_RELEVE_NR

C

Unique Plot observation ID, by which the project’s plot-species-abundance file is linked to the header file, combination of PROJECT_ID and RELEVE_NR

LAYER

I

0: No layer, 1: Tree layer (uppermost), 2: Tree layer (middle), 3: Tree layer (lowest), 4: Shrub layer (uppermost), 5: Shrub layer (low), 6: Herb layer, 7: Juveniles, 8: Seedling (<1 year), 9: Moss layer.

TaxonName

C

Harmonized taxon name

Cover_Perc

N

Cover of the taxon in per cent

  1. For Type: C = character, N = numeric, I = integer (n = 23,641).