
01_CO-CARBON_Flux_data
	- Figures 2bce, 3, S1, S2, S3 and S5
1) Date	Date of the measurements
2) Year	Year of the measurements
3) Month	Month number of the measurements
4) Week	Week number (cumulative over the years) of the measurements
5) Location	Location where the measurement was recorded
6) Type	Management of the site where the measurement was recorded
7) Site	Combination of the two previous columns
8) Collar ID	Identity number of the measurements
9) Replicate	Number of the replicate at a site
10) Air_temp	Daily average temperature (°C); FMI data
11) Air_press	Daily average pressure (hPa); FMI (hourly) data 
12) Day_prec	Daily average precipitation (mm); FMI data
13) Week_prec	Precipitation (sum) of the seven previous day (mm), excluding the D-day; FMI data
14) Air_temp_measured	Temperature measured inside the chamber during recording (°C)
15) Soil_temp_10cm	Soil temperature measured at 10cm depth during flux recording (°C)
16) Soil_temp_5cm	Soil temperature measured at 5cm depth during flux recording (°C)
17) Soil_mois	Soil moisture measured at 5cm depth during flux recording, mean of 4 measurements
18) Veg_height	Vegetation height measured during recording (cm)
19) LAI	Leaf	Area Index manually measured
20) Green_cover	Green cover measured with Canapeo (%)
21) Respiration	Instantaneous respiration calculated according to recordings (mg CO2 m-2 s-1)
22) NRMSE	Respiration normalized root-mean-square error	
23) RMSE	Respiration root-mean-square error
24) GPP_1200	Gross Primary Production calculated after recordings at the equivalent of PAR = 1200 (mg CO2 m-2 s-1)
25) GP1200_95perc_CI GPP_1200 confidence interval at 95% 	
26) GPmax	GPP maximum (mg CO2 m-2 s-1)
27) GPmax_se	Standard error of GPmax	
28) alpha	Initial slope between GPP and PAR (mg µmol−1) 
29) alpha_se	Standard error of alpha
30) GPP_daily (d-1)	Daily Gross Primary Production calculated according to our recordings (mg CO2 m-2 d-1)
31) GPP_daily (s-1)	Averaged Daily Gross Primary Production calculated according to our recordings (mg CO2 m-2 s-1)
32) SPEI_90	for a 90 days-scale
33) SPEI_30	for a 30 days-scale
34) SPEI_14	for a 14 days-scale


02_COCARBON_Drought_analysis
	- Figures S6
1) Date	Date of measurements
2) Year	Year of measurements
4) Week	Week number (cumulative over the years) of the measurements
5) Type	Management of the site where the measurement was recorded
6) Collar	Collar name	
7) ID	Measurement identity
8) Season	Season of the recording	
9) Season_Year	Season of the recording + the year
10) ST10_N	Normalized soil temperature measured at 10 cm depth	
11) SM_N	Normalized soil moisture measured at 5 cm depth		
12) GC_N	Normalized green cover
13) R_N		Normalized intantaneous respiration
14) GPd_N	Normalized daily GPP


03_Temp&Prec_data
	- Figure 2a
1) Date	First day of each reported week
2) Week	Week number (cumulative over the years)
3) Precipitation	Weekly precipitation (mm)	
4) Averagetemp	Weekly average temperature (°C); FMI data
5) Maxtemp	Weekly maximum temperature from daily dataset (°C); FMI data	
6) Mintemp	Weekly minimum temperature from daily dataset (°C); FMI data


04_LAI_sentinel-2
	- Figures 2d and S4
	- Collectected according to Nevalainen et al., 2022
1) Date	Date of the recorded LAI
2) Day	Day number of the recorded LAI
3) Week	Week number of the recorded LAI
4) Year	Year number of the recorded LAI
5) KMP lawn	LAI data at KMP lawn	
6) KMP lawn_std	Standard deviation of LAI data at KMP lawn
7) KMP meadow	LAI data at KMP meadow
8) KMP meadow_std	Standard deviation of LAI data at KMP meadow	
9) VKI lawn	LAI data at VKI lawn
10) VKI lawn_std	Standard deviation of LAI data at VKI lawn
11) VKI meadow	LAI data at VKI meadow
12) VKI meadow_std	Standard deviation of LAI data at VKI meadow


05_SPEI_data
	- SPEI, used to draw the red background shades in Figures 2, 3, 4, S1, S2, S3, S4, S5 and S6
	- calculated with SPEI R package (Vicente-Serrano et al., 2010; Beguería et al., 2014)
1) Year	Year number	
2) Month	Month number	
3) Day	Day number
4) Date	Date
5) prcp	Daily precipitation (mm); FMI data
6) Tav	Daily average temperature (°C); FMI data
7) Tmax	Daily maximum temperature (°C); FMI data
8) Tmin	Daily minimum temperature (°C); FMI data
9) CC	Daily cloud cover (%); FMI data (converted from 1/8 -> %)
10) P	Daily air pressure (kPa); FMI data
11) RH	Daily relative humidity; FMI data
12) Tdew	Daily dewpoint temperature (°C); FMI data	
13) U	Daily wind speed (km/h)
14) PET	Daily potential evapotranspiration calculated by the R function, calculated according to Penman method
15) WBal	Climatic water balance 	
16) zvalue_90	Daily SPEI values calculated by the R function for a 90 days interval with the FAO method
17) zvalue_30	Daily SPEI values calculated by the R function for a 30 days interval with the FAO method
18) zvalue_14	Daily SPEI values calculated by the R function for a 14 days interval with the FAO method


06_LIM_Flux_data
	- flux details of LIM_plants&flux
1) Date		Date of the measurements
2) Year		Year of the measurements
3) Month	Month number of the measurements
4) Month_n	Month number (cumulative over the years) of the measurements
5) Week		Week number (cumulative over the years) of the measurements
6) Chamber	Chamber used to measure the flux(es)	
7) Location	Location where the measurement was recorded
8) Type	Management of the site where the measurement was recorded
9) Site	Combination of the two previous columns
10) Collar	Number of the replicate at a site
11) ID	Identity number of the measurements
12) Resp	Instantaneous respiration calculated according to recordings (mg CO2 m-2 s-1)
13) NO2	Instantaneous N2O fluxes calculated according to recordings (mg N2O m-2 s-1)
14) CH4	Instantaneous CH4 fluxes calculated according to recordings (mg CH4 m-2 s-1)	
15) mois	Soil moisture measured at a 5cm-deep during flux recording, mean of 5 measurements
16) temp	Soil temperature measured at a 10cm-deep during flux recording (°C)	


07_LIM_Plants&flux
	- Figures 5, S7 and S8 
1) Year	Year number
2) ID	Identity of the measurements
3) Location	Location of the measurements	
4) Type		Type of management in the long term experiment
5) Site		Site of the measurements
6) Status	Status of the manangement on the site	
7) CO2	Annual mean of instantaneous respiration calculated according to recordings (mg CO2 m-2 s-1)	
8) N2O	Annual mean of instantaneous N2O fluxes calculated according to recordings (mg N2O m-2 s-1)	
9) CH4	Annual mean of instantaneous CH4 fluxes calculated according to recordings (mg CH4 m-2 s-1)	
10) mois	Annual mean of soil moisture measured at 5 cm depth during flux recording	
11) temp	Annual mean of soil temperature measured at 10 cm depth	during flux recording (°C)
12) C_soil	Soil Organic Carbon content
13) N_soil	Soil (organic) Nitrogen content
14) CN_ratio	Ratio of the two previous columns


08_Plants&flux_2022
	- Tables 3 and 4
1) Location Location of the measurements	
2) Site	Site of the measurements
3) Management	Management of the site
4) Sp_richness	Species richness
5) totAb	Total abondance	
6) Bare_soil	Proportion of bare soil (%), mean of 4 replicates
7) Shannon_index	Shannon index	
8) Sp_evenness		Species evenness
9) Grasses	Proportion of grasses (%), mean of 4 replicates
10) Legumes	Proportion of legumes (%), mean of 4 replicates
11) Forbs	Proportion of forbs i.e., flowering vascular plants that were not legumes, nor trees, (%), mean of 4 replicates			
12) Trees	Proportion of tree samplings (%), mean of 4 replicates	
13) Sedges	Proportion of sedges (%), mean of 4 replicates	
14) Horsetails	Proportion of horstails (%), mean of 4 replicates
15) Mosses	Proportion of mosses (%), mean of 4 replicates	
16) CO2	Mean of instantaneous respiration calculated according to recordings measured from May to September (mg CO2 m-2 s-1)	
17) N2O	Mean of instantaneous N2O fluxes calculated according to recordings measured from May to September (mg N2O m-2 s-1)	
18) CH4	Mean of instantaneous CH4 fluxes calculated according to recordings measured from May to September (mg CH4 m-2 s-1)	
19) mois	Mean of soil moisture measured at 5 cm depth during flux recording	
20) temp	Mean of soil temperature measured at 10 cm depth during flux recording (°C)
21) C_soil	Soil Organic Carbon content
22) N_soil	Soil (organic) Nitrogen content
23) CN_ratio	Ratio of the two previous columns


09_COCARBON_Vegetation_inventory
	- Diversity analysis, table 3 and 4
1) Latin name	Latin name of the plant
2) Common name	English common name of the plant
3) Family	Family of the plant
4) Clade	Clade of the plant
5)-8), 11)-14), 17)-20) and 23)-26) M#, L#, K# and N#	Plot number which include the proportion of the 
9), 15), 21) and 27) M_ab, L_ab, K_ab and N_ab	Site's species abondance calculated as the average of the plot proportion at a site level
10), 16), 22) and 28) M, L, K and N	Site name which report presence (1) or not observed (nothing) on the transect from one plot to another

1') Total abundance	Total species abondance (over 1, when several layers of plants)
2') Bare soil	Proportion of visible bare soil
3') Number of species Species richness recorded at the ith-column where grasses where considered as a block
4') Shannon Index (H)  Shannon index calculated for the ith-column where grasses where considered as a block
5') Shannon’s equitability index (E)  Species evenness calculated for the ith-column where grasses where considered as a block

