HydroBASINS lev08 watershed · #1080521290
Bassin de Oued Betbal
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 2 administrative regions : Moudjéria, Tidjikja
Sub-basin area
663,5km²
Upstream area
2 392,5km²
Discharge
3,79m³/s
Mean elev.
341m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Krâ’ en Nâga1138 km²
- Bassin de Krâ’ en Nâga591 km²
2 dept-equivalent regions (GADM L2)
- 656.4 km²99.2% of basin
- 5.0 km²0.8% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
34 distinct species · 72 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 3 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Oued Betbal : 3 espèces reliées par 2 interactions GloBI sur 2 types (connectance 66.7%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
28,2°C
Annual rain
152mm
Moisture idx (CMI)
-0,93
Runoff
77mm/an
PET
2 062mm
AET
125mm
Mean slope
1,9°
Water table
394cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)