Table 1 Physical environment and woodland characteristics in the study area as determined for the sample plots (n = 1230). Climate data were derived from WorldClim (Hijmans et al. 2005) and CRUTS (Harris et al. 2013)
Minimum | Maximum | Mean | SD | |
|---|---|---|---|---|
Latitude | −19.09 | −17.49 | −18.10 | −0.18 |
Longitude | 18.45 | 20.45 | 19.65 | 0.60 |
Altitude (m) | 1077 | 1173 | 1127 | 21 |
Sand fraction in topsoil (%) | 52 | 95 | 94 | 4 |
Annual rainfall (mm) | 531 | 625 | 564 | 15 |
Minimum temperature coldest month (°C) | 5.8 | 7.5 | 6.3 | 0.6 |
Maximum temperature warmest month (°C) | 34.0 | 34.6 | 34.2 | 0.1 |
Frost (days · year−1) | 8 | 11 | 10 | 1 |
Maximum tree diameter at breast height (cm) | 20 | 189 | 49 | 20 |
Basal area all trees (m2 · ha−1) | 0.3 | 22.3 | 4.7 | 2.5 |
Stem density (ha−1) | 7 | 493 | 112 | 59 |