HydroBASINS lev08 watershed · #1080085030
Bassin de Oued Massine
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 13 administrative regions : Ain Defla, Arib, Ben Allal, Bir Ould Khelifa, Bordj Emir Khaled +8
Sub-basin area
679,8km²
Upstream area
25 240,5km²
Discharge
32,96m³/s
Mean elev.
452m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Chelif1703 km²
- Bassin de Oued Derder832 km²
13 dept-equivalent regions (GADM L2)
- 181.2 km²26.7% of basin
- 142.4 km²20.9% of basin
- 63.9 km²9.4% of basin
- 62.6 km²9.2% of basin
- 54.2 km²8.0% of basin
- 52.2 km²7.7% of basin
- 35.1 km²5.2% of basin
- 31.2 km²4.6% of basin
5 moreFull L2 list
- Djemaa Ouled Cheikh27.6 km² · 4.1%
- Khemis Miliana15.0 km² · 2.2%
- Miliana8.2 km² · 1.2%
- Bourached6.0 km² · 0.9%
- El Youssoufia0.1 km² · 0.0%
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
77 distinct species · 147 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 16 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 Massine : 15 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 13 interactions GloBI sur 2 types (connectance 10.8%, filtre Serrano α=0.2). 1 bulle taxonomique (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°
17,6°C
Annual rain
573mm
Moisture idx (CMI)
-0,48
Runoff
155mm/an
PET
1 101mm
AET
484mm
Mean slope
6,1°
Water table
399cm
Forest
6%
Crops
69%
Urban
9%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)