README file for the data file
EWcarabids1999-2022_samplingscheme.csv (supplementary data file to EWcarabids1999-2022_rawdata.csv)

Authors:
Linde, Andreas
Weiss, Fabio (ORCID 0000-0003-1078-1528)

Describtion of variables:

Survey_Nr = generic identifier consisting of plot-id, year of sampling and sampling interval.
Plot_Nr = plot id
Trapping_Start = beginning of sampling (YYYY-MM-DD).
Trapping_End = end of sampling (YYYY-MM-DD).
sampling_effort = number of traps for this sampling interval/plot, usually 4, occassionally varying.
month = month of the year, consistent with sampling interval (5,6,7)
year = year of sampling (1999-2022)
sample_id = consistent with 'Survey_Nr'.
Trapping_length = duration of the sampling interval in days.


Additional:

4 pitfall traps were set up as transect (instead of square) at plots 1,2s and 7.