HydroBASINS lev08 watershed · #1080085960
Bassin de Oued Isser
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 8 administrative regions : Ain Boucif, Chellalet Ladhaoura, El Kaf Lakhdar, Roubia, Sidi Zahar +3
Sub-basin area
258,4km²
Upstream area
258,5km²
Discharge
1,06m³/s
Mean elev.
963m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
8 dept-equivalent regions (GADM L2)
- 64.1 km²24.8% of basin
- 63.4 km²24.5% of basin
- 52.5 km²20.3% of basin
- 26.1 km²10.1% of basin
- 20.9 km²8.1% of basin
- 18.3 km²7.1% of basin
- 12.8 km²5.0% of basin
- 0.2 km²0.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 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°
14,1°C
Annual rain
518mm
Moisture idx (CMI)
-0,54
Runoff
129mm/an
PET
1 133mm
AET
440mm
Mean slope
7,2°
Water table
502cm
Forest
0%
Crops
11%
Urban
3%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)