HydroBASINS lev08 watershed · #1080169990
Bassin de Oued Massa ⴰⵙⵙⵉⴼ ⵏ ⵎⴰⵙⵙⴰ وادي ماسة
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 : Tiznit
Sub-basin area
128,2km²
Upstream area
2 202,3km²
Discharge
6,93m³/s
Mean elev.
385m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
1 dept-equivalent regions (GADM L2)
- Tiznit128.1 km²100.0% of basin
2 intersecting protected areas
Réserve de Biosphère de l'Arganeraie (RBA)
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
128.07 km² overlap
Ait Ahmed
IUCN Not ApplicablePermanent Hunting Reserve
64.38 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
4 distinct species · 4 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°
18,9°C
Annual rain
185mm
Moisture idx (CMI)
-0,86
Runoff
80mm/an
PET
1 335mm
AET
158mm
Mean slope
10,9°
Water table
768cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)