HydroBASINS lev08 watershed · #1080538010
Bassin de Afassas
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 1 administrative regions : Tchighozerine
Sub-basin area
229,5km²
Upstream area
1 726,6km²
Discharge
2,38m³/s
Mean elev.
780m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #1080531730756 km²
- Bassin de Afassas741 km²
1 dept-equivalent regions (GADM L2)
- 228.8 km²100.0% of basin
3 intersecting protected areas
Gueltas et Oasis de l'Aïr
IUCN IbWetland of International Importance (Ramsar Site)
202.99 km² overlap
Aïr et Ténéré
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
58.11 km² overlap
Aïr and Ténéré Natural Reserves
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
58.11 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
0 distinct species · 0 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Hydroclimate (BasinATLAS lev08)
Mean T°
25,9°C
Annual rain
60mm
Moisture idx (CMI)
-0,97
Runoff
41mm/an
PET
2 063mm
AET
47mm
Mean slope
1,1°
Water table
890cm
Forest
0%
Crops
0%
Urban
0%
Protected
27%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)