Table 1.
Importance Value Index (IVI) of dominant tree/shrub species per landscape and fire frequency in LNP
| Species name | Importance Value Index (IVI) | |||||
|---|---|---|---|---|---|---|
| Nwambia Sandveld (NS) | Lebombo North (LN) | Calcrete (C) | ||||
| Low fire frequency | High fire frequency | Low fire frequency | High fire frequency | High fire frequency | Low fire frequency | |
| Combretum apiculatum | 110 | 123 | 86 | 123 | 12 | 18 |
| Sclerocarya birrea | 53 | 25 | 10 | 5 | – | – |
| Xeroderris sthulmannii | 34 | 27 | – | – | – | – |
| Senegalia nigrescensis | 26 | – | – | – | 21 | 13 |
| Grewia bicolor | 21 | 5 | – | – | ||
| Lannea schweinfurthii | 20 | 46 | 11 | 6 | – | – |
| Combretum hereroense | – | 34 | – | – | ||
| Colophospermum mopane | – | – | 112 | 97 | – | – |
| Dialium sp. | – | – | 19 | 22 | – | – |
| Colophospermum mopane (shrubby mopane) | – | – | – | – | 165 | 203 |
| Euclea divinorum | – | – | – | – | 25 | – |
| Gymnosporia heterophylla | – | – | – | – | 13 | 2 |
| Terminalia sericea | – | – | – | – | 12 | – |
| Spirostachys africana | – | – | – | – | 10 | – |
| Dalbergia melanoxylon | – | – | – | – | – | 40 |
High fire frequency = burned 3‐6 times and low fire frequency = burned <3 times, between 2003 and 2013.