Table S1: General information about the sites included in the database. The experiments performed at these
sites can include one of the treatments or species listed in the columns below. Site location, annual precipitation
and temperature are given where available.
Site Name
Treatments
Species
Latitude Lat Longitude Lon
Abisko_fellfield (mount
sparse vegetation is dwarf shrubs,
Slåttatjåkka)
WarmingxFertilization
mosses and lichens
68.33 N
20.85 E
Abisko_mesic dwarf shrub
Warming
mesic dwarf shrub/graminoid heath
68.35 N
18.82 E
Abisko_subalpine heath
species rich dwarf shrub heath
(Paddustieva)
WarmingxFertilization
community
68.33 N
20.85 E
Abisko_subarctic bog
Warming
peat bog
68.35 N
18.82 E
Amsterdam Greenhouses
CO2
six different non-woody species
52.37 N
4.9 E
Antwerp_grasslands
CO2xWarming
Grassland
51.17 N
4.38 E
Antwerp_grasslands
Warming
Grassland model ecosystems
51.17 N
4.38 E
Antwerp_OTC
CO2
Pinus sylvestris
51.17 N
4.38 E
Austrian Alps
Warming
Picea abies dominated
47.58 N
11.63 E
Betula pendula, Alnus glutinosa,
BangorFACE
CO2
Fagus sylvatica
53.23 N
4.02 W
Basel_spruce
CO2xFertilization
Picea abies
47.57 N
8.6 E
Basel_tropical
CO2
Humid tropical forest
47.57 N
8.6 E
Basel_tropical
CO2
Humid tropical model ecosystems
47.57 N
8.6 E
Bily Kriz
CO2
Picea abies
49.5 N
18.53 E
Birmensdorf
CO2xFertilizationxSoil
Fagus sylvatica, Picea abies
47.35 N
8.43 E
Brandjberg
CO2xWarmingxDrought
temperate heath
55.88 N
11.97 E
Braunschweig FACE
CO2xFertilization
Beta vulgaris
52.3 N
10.43 E
Capo Caccia
Warming
Shrubland community
40.62 N
8.17 E
Cedar Creek_grassland
(BioCON)
CO2xFertilization
perennial grassland
45.4 N
93.2 W
Central Alaska
Warming
Picea mariana
63.92 N
145.73 W
Chesapeake Bay
CO2
brakish marsh
36.88 N
76.55 W
Christchurch
CO2
Nothofagus fusca
43.53 S
172.7 E
MAP
MAT
278
-0.5
213
-0.3
776
776
770
1480
25
9.6
9.6
12
5.7
1000
1400
691
600
5
10
8
640
16.8
660
616
12.2
Christchurch
Clocaenog
DUKE Phytotron_pine
DUKE Phytotron_pine
DUKE Phytotron_robinia
DukeFACE
DukeFACE
Duolun
Duolun
ETH FACE
CO2
Warming
CO2xWarmingxFertilization
CO2xFertilization
CO2xWarmingxFertilization
CO2
CO2xFertilization
WarmingxFertilization
WarmingxWater
CO2
EUROFACE
FACTS II FACE
FACTS II FACE
FACTS II FACE
CO2xFertilization
CO2xOzone
CO2xOzone
CO2xOzone
FACTS II FACE
CO2xOzone
FACTS II FACE
FACTS II FACE
Flakaliden
French Massif Central
Gainesville_grassland
Gainesville_grassland
Gainesville_grassland
Garraf
Ginninderra
Glencorse
Glendevon
CO2xOzone
CO2xOzone
CO2xWarming
CO2xWarmingxDrought
Warming
CO2
CO2
Warming
CO2xWarming
CO2
CO2xFertilization
Pinus radiata
Shrubland (dom. by Ericaceae)
Pinus ponderosa
Pinus taeda
Robinia pseudoacacia
Pinus taeda
Pinus taeda
steppe
steppe
Betula pendula
Populus alba, nigra and
euramericana
Betula papyrifera
Mixed deciduous stand
Populus tremuloides
Populus tremuloides, Acer
saccharum
Populus tremuloides, Betula
papyrifera
Populus tremuloides, Betula pendula
Picea abies
Upland grassland
Arachis glabrata, Paspalum notatum
Arachis glabrata
Paspalum notatum
mediterranean shrubland
Phalaris aquatica
Betula pendula
Alnus glutinosa
43.53
52.4
35.95
35.95
35.95
35.95
35.95
42.03
42.03
47.45
S
N
N
N
N
N
N
N
N
N
172.7
5.92
79.15
79.15
79.15
79.15
79.15
116.28
116.28
8.68
E
W
W
W
W
W
W
E
E
E
42.37
49.67
49.67
49.67
N
N
N
N
11.8
89.57
89.57
89.57
49.67 N
49.67
49.67
64.12
45.75
29.67
29.67
29.67
41.32
35.22
55.52
56.2
N
N
N
N
N
N
N
N
S
N
N
1140
1140
385.5
385.5
12.2
9.2
26
26
26
15.5
15.5
2.1
2.1
E
W
W
W
818
833
833
833
14.1
11.5
11.5
11.5
89.57 W
833
11.5
833
833
600
780
808
808
808
455
11.5
11.5
2.4
8.7
850
1416
8.2
6.8
89.57
89.57
19.45
3
82.34
82.34
82.34
1.82
149.13
3.2
4
W
W
E
E
W
W
W
E
E
W
W
616
1675
15.1
Glendevon
Glendevon
Glendevon
Great Plains
Harvard Forest_Warming
Harvard_GC1
Harvard_GC2
Harvard_GC3
Harvard_GC3
Harvard_GC3
Harvard_GC3
Harvard_GC3
Harvard_GC3
Headley
Headley
Headley
HohenheimFACE
Howland IFS
Jasper Ridge_FACE
Jasper Ridge_OTC
Jasper Ridge_OTC
Jasper Ridge_OTC
Jasper Ridge_OTC
Jasper Ridge_OTC
Kessler Farm Field
Laboratory
Kilpisjärvi
Kiskunsag
Lancaster Solardomes
CO2xFertilization
CO2xFertilization
CO2xFertilization
Warming
Warming
CO2
CO2
CO2xFertilization
CO2xFertilization
CO2xFertilization
CO2xFertilization
CO2xFertilization
CO2xFertilization
CO2xWater
CO2xWater
CO2xWater
CO2
Warming
CO2xFertilizationxWarmingxWater
CO2
CO2
CO2xFertilization
CO2xFertilization
CO2xFertilization
Betula pendula
Picea sitchensis
Pinus sylvestris
tallgrass prairie
Even-aged mixed deciduous forest
Betula alleghaniensis
Betula papyrifera
Acer pensylvanicum
Acer rubrum
Betula alleghaniensis
Betula populifolia
Fraxinus americana
Quercus rubra
Fraxinus excelsior
Pinus sylvestris
Quercus petraea
Triticum aestivum
Picea rubens
California annual grassland
Sandstone grassland
Serpentine grassland
California annual grassland
Sandstone grassland
Serpentine grassland
56.2
56.2
56.2
34.98
42
42.48
42.48
42.37
42.37
42.37
42.37
42.37
42.37
51.12
51.12
51.12
48.6
45.17
37.67
37.67
37.67
37.67
37.67
37.67
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
4
4
4
97.52
72.18
72.18
72.18
71.11
71.11
71.11
71.11
71.11
71.11
0.83
0.83
0.83
9.17
68.67
122.37
122.37
122.37
122.37
122.37
122.37
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
E
W
W
W
W
W
W
W
1416
1416
1416
915
1080
6.8
6.8
6.8
16.3
685
1000
677
677
677
677
677
677
9.7
5
19.3
19.3
19.3
19.3
19.3
19.3
WarmingxWater
Warming
Warming
CO2xFertilization
tallgrass prairie
tundra heath
atlantic heathland
six common European tree species
34.97
69.5
56.88
54.02
N
N
N
N
97.52
20.83
19.38
2.78
W
E
E
W
967
16.3
-2.3
10.5
26
550
Linden-Leihgestern FACE
Manawatu
Manitoba
Maoxian
Mekrijärvi
Merrit Island
Miyaluo
Miyaluo
Mols
Montalto di Castro
Moor House
Nåntuna
NERC
NERC
Nevada Desert FACE
New Zealand FACE
Niwot Ridge*
Ny Alesund*
Oak Ridge*
Oak Ridge_acer
Oak Ridge_acer
Oak Ridge_acer
Oak Ridge_grassland
Oak Ridge_liquidambar
Oak Ridge_liriodendron
Oak Ridge_quercus
Oldebroek
Orsay
Orsay
CO2
CO2
Warming
WarmingxFertilization
CO2xWarming
CO2
Warming
Warming
Warming
CO2
CO2xSoil
CO2
CO2xWarming
Warming
CO2
CO2
Warming
Warming
Warming
CO2xWarming
CO2xWarming
CO2xWarming
CO2xWarmingxWater
CO2
CO2
CO2
Warming
CO2
CO2xFertilization
Arrhenatherum elatius grassland
grassland
Picea mariana
Picea asperata
Pinus sylvestris
Shrub Oak system
Abies faxoniana
Picea asperata
atlantic heathland
Quercus ilex forest
Grassland
semi-natural grassland
Grassland model ecosystem
Grassland model ecosystem
shrub community
temperate pasture
Alpine dry tundra
Dryas octopetala
Acer saccharum
Acer rubrum
Acer saccharum
Acer saccharum, Acer rubrum
Model grassland
Liquidambar styraciflua
Liriodendron tulipifera
Quercus alba
atlantic heathland/grassland
Fagus sylvatica
Fagus sylvatica
50.53
40.23
55.88
31.68
62.78
28.63
31.58
31.58
56.38
42.37
54.5
59.8
51.38
51.38
36.82
40.23
40.05
78.93
35.9
35.9
35.9
35.9
36
35.9
35.9
35.9
52.04
48.7
48.7
N
S
N
N
N
N
N
N
N
N
N
N
N
N
N
S
N
N
N
N
N
N
N
N
N
N
N
N
N
8.68
175.27
98.33
103.88
30.95
80.7
102.58
102.58
10.95
11.53
3.25
17.63
0.65
0.65
115.92
175.27
105.6
11.83
84.35
84.33
84.33
84.33
84
84.33
84.33
84.33
5.92
2.15
2.15
E
E
W
E
E
W
E
E
E
E
E
E
W
W
W
E
W
E
W
W
W
W
W
W
W
W
E
E
E
644
870
510
9.9
12.9
667
1310
850
850
758
612
2.1
527
5.5
8
8
9.4
15
140
875
1378
1378
1378
1322
1371
14.3
14.3
14.3
14.3
13.9
1042
670
670
10.1
11.2
11.2
Palmer Station
Palmer Station
PHACE
POPFACE
POPFACE
POPFACE
Rigg Foot Hill
Risø
Rocky Mountains
SCBG
SHS*
Sky Oaks
Stillberg
Suonenjoki Research Station
Suonenjoki Research Station
Swiss Central Alps
Swiss Jura
SwissFACE_bromus/carex
SwissFACE_lolium
SwissFACE_trifolium
Swiss Treeline FACE
TasFACE
Tazovskiy
Toolik Lake_dryheath*
Toolik Lake_moisttundra*
Toolik Lake_wetsedge*
Toolik Lake
Toolik Lake
Toolik Lake
Warming
WarmingxWater
CO2xWarming
CO2
CO2
CO2
Warming
CO2xWarming
Warming
CO2xFertilization
Warming
CO2
Warming
CO2
CO2
CO2xFertilization
CO2
CO2
CO2xFertilization
CO2xFertilization
CO2
CO2xWarming
Warming
Warming
Warming
Warming
Warming
Warming
WarmingxFertilization
Antarctic tundra
tundra
northern mixed-grass prairie
Populus alba
Populus nigra
Populus x euramericana
grassland
Pisum sativum
montane meadow
young subtropical forest
Shortgrass steppe
Adenostoma fasciculatum
mixed coniferous forest
Betula pendual ROTH80
Betula pendula ROTH4
Sedge dominated grassland
Calcareous grassland
Bromus erectus, Carex flacca
Lolium perenne
Trifolium repens
Larix decidua
species-rich temperate grassland
dwarf-shrub tundra
Dry heath
Moist tussock tundra
Wet sedge meadow
Acidic tussock tundra
tussock tundra
acidic tundra
64.78
64.78
41.18
42.37
42.37
42.37
55.5
55.65
38.88
23.33
40.82
33.37
46.8
62.65
62.65
46.58
47.45
47.45
47.45
47.45
46.8
42.7
67.93
68.63
68.63
68.63
68.63
68.63
68.63
S
S
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
S
N
N
N
N
N
N
N
64
64
104.9
11.8
11.8
11.8
2.08
12.08
107.03
113.5
104.77
116.67
9.83
27.05
27.05
8.38
7.57
8.95
8.95
8.95
9.83
147.27
74.85
149.58
149.58
149.57
149.72
149.72
149.72
W
W
W
E
E
E
W
E
W
E
W
W
E
E
E
E
E
E
E
E
E
E
E
W
W
W
W
W
W
750
750
384
818
818
818
900
-1.7
-1.7
14.1
14.1
14.1
8
700
1750
21.5
491
1050
307
307
168
1063
12.2
1.4
12.6
12.6
8.4
560
370
11.6
-8.8
180 12.03
180 12.03
180 12.03
Toolik Lake
UMBS_alnus
UMBS_populus(eur.)
UMBS_populus(grand.)
UMBS_populus(trem.)
USDA ARS
USDA Central Plains
USDA Placerville
USDA_citrus
USEPA TERA
USEPA_pine
USEPA_pseudotsuga
Vielsalm
webFACE
York_holcus
York_plantago
WarmingxFertilization
CO2
CO2xFertilization
CO2
CO2xFertilization
CO2xSoil
CO2
CO2xFertilization
CO2
CO2xWarming
CO2
CO2xWarming
CO2xFertilization
CO2
Warming
Warming
Wet sedge tundra
Alnus glutinosa
Populus x euramericana
Populus grandidentata
Populus tremuloides
Lepidium latifolium
Shortgrass steppe
Pinus ponderosa
Citrus aurantium
Pseudotsuga menziesii
Pinus ponderosa
Pseudotsuga menziesii
Picea abies
Mixed deciduous forest
model grasslands (Holcus lanatus)
Plantago lanceolata
68.63
45.57
45.57
45.55
45.57
31.08
40.67
38.73
33.43
44.57
44.57
44.57
20.28
47.47
53.95
53.95
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
149.72
84.67
84.67
84.78
84.67
97.33
104.75
120.8
112.07
123.28
123.28
123.28
5.92
7.5
1.08
1.08
W
W
W
W
W
W
W
W
W
W
W
W
E
E
W
W
180 12.03
320
1000
972
990
18
7.5