Ontologia

HydroBASINS lev08 watershed · #1080253100

Bassin de Oued Illizi

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 : Illizi

EndorheicPfafstetter: 15583091

Sub-basin area

915,1km²

Upstream area

4 651,2km²

Discharge

0,23m³/s

Mean elev.

576m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Oued Ennfid889 km²

▲ Receives from 2 basins

1 dept-equivalent regions (GADM L2)

3 intersecting protected areas

  • Tassili N'Ajjer

    IUCN Not Applicable

    Cultural Park

    144.59 km² overlap

  • Tassili n'Ajjer

    IUCN Not Applicable

    World Heritage Site (natural or mixed)

    50.44 km² overlap

  • Tassili N'Ajjer

    IUCN Not Applicable

    UNESCO-MAB Biosphere Reserve

    50.41 km² overlap

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.

Densité d'observations

4 obs · 4 cellules
Obs. / cellule
≥ 1
1–0
1–0
1–0
< 1

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Ecological tissue

Not enough documented interactions to build a meaningful graph for this territory.

Hydroclimate (BasinATLAS lev08)

Mean T°

25,3°C

Annual rain

17mm

Moisture idx (CMI)

-0,99

Runoff

1mm/an

PET

1 984mm

AET

10mm

Mean slope

3,1°

Water table

454cm

Forest

0%

Crops

0%

Urban

0%

Protected

6%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)