Useful
Tree
Species
for
Africa
Mapping
unit 71
- Main vegetation type:
Regs, hamadas and wadis
- Major vegetation type:
desert
- Phytochorion: Sahara
transition zone (xvii)
- Main subtypes:
- Wadis (page 219; no
distinction made between Tamarix, Acacia and Hyphaene communities; a
wadi is a desert valley and is usually dry at the surface except after
heavy rainfall)
- Hamadas (page 220; a
hamada is a stone desert incised by dry valleys [wadis])
- Regs (page 221; a reg is a
gravel desert)
- Other types with a
fragmented distribution: Oases (originally mapping unit 73, not
digitized)
Species composition
- Species that were not included: species of hamadas and regs that were not listed in PROTA
- Link to main composition tables: Mapping unit 71.xls ; Mapping unit 71_uses.xls
- Link to other composition tables: M73a.htm
