Variable,Description 
Site_ID,ID of the site as used in the manuscript
Latitute_DMS,Latitude coordinate of the sampling plot as centered point in [DMS]
Longitute_DMS,Longitude coordinate of the sampling plot as centered point in [DMS]
Latitute_DD,Latitude in dceimal degree
Longitude_DD,Longitude in dceimal degree
EUP,Site ID as used in the field (Ecosystem Unit Plot)
Sample_Point ,Number of pit at each sampling site within the EUP (30x30 m plot)
Increment,Depth of sampling in [cm]
Location,north and south location 
Moisture_class,"Moisture class with (1) dry, (2) moist and (3) wet, as presented in Schiedung et al. (2022, https://doi.org/10.1016/j.catena.2022.106194)"
BD_bulk_gcm3,"Uncorrected bulk density in [g/cm3], as presented in Schiedung et al. (2022, https://doi.org/10.1016/j.catena.2022.106194)"
BD_fine_soil_gcm3,"Bulk density of the fine soil and corrected for rock/root fragmens (>2mm) in [g/cm3], as presented in Schiedung et al. (2022, https://doi.org/10.1016/j.catena.2022.106194)"
TN_wpc,"Total nitrogen in [%], as presented in Schiedung et al. (2022, https://doi.org/10.1016/j.catena.2022.106194)"
d13C_TC_permil,"Delta 13C of total carbon in [permil], as presented in Schiedung et al. (2022, https://doi.org/10.1016/j.catena.2022.106194)"
TC_wpc,"Total carbon in [%], as presented in Schiedung et al. (2022, https://doi.org/10.1016/j.catena.2022.106194)"
d13C_SOC_permil,"Delta 13C of soil organic carbon in [permil], as presented in Schiedung et al. (2022, https://doi.org/10.1016/j.catena.2022.106194)"
SOC_wpc,"SOC content in [%], as presented in Schiedung et al. (2022, https://doi.org/10.1016/j.catena.2022.106194)"
SOC_TN,SOC to TN ratio [-]
TN_SOC,TN to SOC ratio [-]
CTO_PyC_SOC_pc,Proportion of PyC_CTO (PyC extracted by CTO-375) of total SOC [%]
CTO_PyC_content_mggsoil,Absolute PyC_CTO content [mg/gsoil]
HyPy_PyC_SOC_pc,Proportion of PyC_HyPy (PyC extracted by HyPy) of total SOC [%]
HyPy_PyC_content_mggsoil,Absolute  PyC_HyPy content [mg/gsoil]
Pre_PyPy_d13C_permil,Delta 13C of sample prior to HyPy [permil]
HyPy_PyC_d13C_permil,Delta 13C of  PyC_HyPy [permil]
Bulk_14C_year_of_measurement,Year of measurement of bulk SOC radiocarbon 
Bulk_14C_PMC,Bulk SOC percentage morder carbon [%]
Bulk_F14C,Bulk SOC F14C value [-]
Bulk_DELTA_14C_permil,Bulk SOC DELTA 14C value [permil]
HyPy_PyC_14C_year_of_measurement,Year of measurement of PyC_HyPy radiocarbon 
HyPy_PyC_14C_PMC,PyC_HyPy percentage morder carbon [%]
HyPy_PyC_F14C,PyC_HyPy F14C value [-]
HyPy_PyC_DELTA_14C_permil,PyC_HyPy DELTA 14C value [permil]
HyPy_PyC_14Cyears ,PyC_HyPy radiocarbon years [14C years]
HyPy_PyC_cal_14C_mean_BP,Calibrated age of PyC_HyPy using OxCal v4.4.2 [years before present]
HyPy_PyC_cal_14C_max_BP,Maximum calibrated age (upper 95% confidence interval) of PyC_HyPy using OxCal v4.4.2 [years before present]
HyPy_PyC_cal_14C_min_BP,Minimum calibrated age (lower 95% confidence interval) of PyC_HyPy using OxCal v4.4.2 [years before present]