Table 1 Summary of site characteristics
Sites | SG | GT | CO |
|---|---|---|---|
Latitude (N) | 43°46′ | 44°17′ | 42°33′ |
Longitude (W) | 3°33′ | 3°17′ | 2°20′ |
Elevation (m) | 614 ± 12 | 728 ± 33 | 745 ± 18 |
Slope (deg) | 13 ± 6 | 42 ± 4 | 21 ± 1 |
Aspect | NO | N-NO | NO |
Soil texture | Sand–silt | Sand–clay | Sand–silt |
Mean soil depth (mm) | 400 | 200 | 300 |
Tyndall grid references | 368, 268 | 367, 269 | 365, 266 |
TX (°C) | 17.9 | 15.4 | 16.1 |
TN (°C) | 7.4 | 4.4 | 6.2 |
Total annual P (mm) | 998 | 1,060 | 646 |