Table 1 Evolution of the average meteorological variables: air temperature (T A), photosynthetic photon flux density (Q), vapor pressure deficit (VPD), soil temperature (T S), soil water content (SWC) at 10Â cm depth, leaf index area (LAI), and cumulated rainfall during each period of vegetation growth at two sites
Ecosystems | T A (°C) | Rainfall (mm) | Q (μmol m−2 s−1) | VPD (kPa) | T S (°C) | SWC (m3 m−3) | LAI (m2 m−2) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
F | S | F | S | F | S | F | S | F | S | F | S | F | S | |
Period I | 27.6 ± 0.3 | 26.3 ± 0.3 | 46.8 | 32.7 | 411.0 ± 8.2 | 424.9 ± 9.0 | 2.7 ± 0.1 | 2.4 ± 0.1 | 29.8 ± 0.3 | 30.0 ± 0.5 | 0.05 ± 0.00 | 0.05 ± 0.00 | 1.1 ± 0.1 | 0.5 ± 0.0 |
Period II | 27.1 ± 0.3 | 26.8 ± 0.4 | 234.4 | 224.1 | 462.2 ± 21.6 | 496.1 ± 22.3 | 1.3 ± 0.1 | 1.4 ± 0.1 | 30.6 ± 0.4 | 32.2 ± 0.5 | 0.10 ± 0.01 | 0.07 ± 0.01 | 1.9 ± 0.1 | 0.8 ± 0.1 |
Period III | 24.1 ± 0.2 | 23.8 ± 0.2 | 1203.5 | 1069.3 | 349.3 ± 13.8 | 387.4 ± 13.9 | 0.6 ± 0.0 | 0.6 ± 0.0 | 26.9 ± 0.2 | 27.3 ± 0.2 | 0.14 ± 0.00 | 0.11 ± 0.00 | 2.6 ± 0.1 | 2.2 ± 0.1 |
Period IV | 25.6 ± 02 | 24.5 ± 0.2 | 139.5 | 169.2 | 420.8 ± 11.8 | 446.3 ± 10.4 | 1.5 ± 0.1 | 1.3 ± 0.1 | 27.7 ± 0.2 | 26.6 ± 0.1 | 0.09 ± 0.01 | 0.08 ± 0.01 | 2.5 ± 0.1 | 2.0 ± 0.1 |