HydroBASINS lev08 watershed · #1080201610
Bassin de Oued Tighzert
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 : Assa-Zag
Sub-basin area
119,1km²
Upstream area
9 949,4km²
Discharge
8,69m³/s
Mean elev.
278m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Oued Tighzert2587 km²
- Bassin de Oued Tighzert93 km²
1 dept-equivalent regions (GADM L2)
- 119.0 km²100.0% of basin
1 intersecting protected areas
Oued Tighzer
IUCN Not ApplicableBiological and Ecological Interest Site
0.74 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
82 distinct species · 214 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Tighzert : 33 espèces reliées par 31 interactions GloBI sur 2 types (connectance 4.9%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
21,5°C
Annual rain
67mm
Moisture idx (CMI)
-0,96
Runoff
31mm/an
PET
1 610mm
AET
56mm
Mean slope
3,3°
Water table
583cm
Forest
0%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)