Table 1.
Global environmental change sensitivity of stomatal conductance across biomes
| Biome | eCO2 | eT | iP | dP | eN | eO3 |
|---|---|---|---|---|---|---|
| Boreal forest | –2.9 [–8.7, 3.2] | –26.5 [–35.7, –16.1] | / | / | 0.2 [–3.1, 3.7] | –1.3 [–4.1, 1.7] |
| 5(16),P = 0.34 | 4(18),P < 0.001 | 5(10),P = 0.88 | 6(54),P = 0.40 | |||
| Temperate forest | –6.9 [–10.1, –3.6] | –0.5 [–7.2, 6.6] | 3.7 [–0.5, 8.0] | –3.7 [–5.6, –1.7] | 0.7 [–1.1, 2.5] | –2.2 [–3.9, −0.5] |
| 43(261),P < 0.001 | 14(39),P = 0.89 | 7(12),P = 0.083 | 19(97),P < 0.001 | 24(77),P = 0.51 | 58(398),P = 0.011 | |
| Subtropical forest | –8.1 [–11.6, –4.5] | / | –3.2 [–6.8, 0.5] | –1.9 [–4.2, 0.4] | 1.0 [0.1, 2.0] | –1.9 [–3.8, –0.1] |
| 17(95),P < 0.001 | 4(12),P = 0.10 | 8(55),P = 0.11 | 22(113),P = 0.031 | 27(99),P = 0.041 | ||
| Tropical forest | / | / | / | –6.3 [–10.0, –2.4] | / | / |
| 15(15),P = 0.002 | ||||||
| Temperate grassland | –9.6 [–13.7, –5.7] | –7.7 [–13.8, –1.1] | 2.7 [–4.1, 10.0] | –3.5 [–4.8, –2.1] | 0.6 [–0.4, 1.5] | / |
| 47(113),P < 0.001 | 7(39),P = 0.023 | 6(7),P = 0.45 | 19(72),P < 0.001 | 23(76),P = 0.20 | ||
|
Mediterranean woodland |
–1.5 [–8.1, 5.6] | 3.6 [–2.9, 10.6] | / | –0.3 [–3.3, 2.8] | 0.7 [–2.4, 4.0] | –3.8 [–9.8, 2.7] |
| 6(23),P = 0.67 | 4(37),P = 0.29 | 9(58),P = 0.84 | 10(29),P = 0.61 | 8(13),P = 0.24 | ||
| Desert | –9.8 [–13.7, –5.7] | / | 3.3 [0.8, 5.8] | / | / | / |
| 7(127),P < 0.001 | 10(68),P = 0.009 | |||||
| Cropland | –11.8 [–14.3, –9.2] | –5.4 [–10.2, –0.2] | / | / | 0.3 [–0.9, 1.5] | –1.5 [–5.0, 2.2] |
| 22(266),P < 0.001 | 6(47),P = 0.041 | 3(33),P = 0.48 | 8(43),P = 0.42 | |||
| QB | 15.5 | 23.4 | 8.8 | 7.5 | 5.2 | 0.7 |
| P | 0.017 | <0.001 | 0.031 | 0.11 | 0.63 | 0.95 |
The weighted mean sensitivities (means [–95%CI, + 95%CI]) under eCO2 (% + 100 ppm–1), eT (% + 1 °C–1), iP (% + 10%–1), dP (% – 10%–1), eN (% + 1 g–1 m–2 yr–1), and eO3 (% + 10 ppb–1) are reported. Sensitivities significantly different from zero at P < 0.05 are shown in bold, with the sample size of species (observation) shown in italic. QB: between-group heterogeneity, significant QB at P < 0.05 which indicates that the sensitivities differ among biomes are shown in bold. See Fig. 1 for variable abbreviations.