Ontologia

HydroBASINS lev08 watershed · #1080282110

Bassin de Oued Efedil

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: 15584096

Sub-basin area

247,6km²

Upstream area

247,6km²

Discharge

0,03m³/s

Mean elev.

1 248m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de وادي إيمرهو54 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

1 dept-equivalent regions (GADM L2)

3 intersecting protected areas

  • Tassili N'Ajjer

    IUCN Not Applicable

    Cultural Park

    247.12 km² overlap

  • Tassili N'Ajjer

    IUCN Not Applicable

    UNESCO-MAB Biosphere Reserve

    247.12 km² overlap

  • Tassili n'Ajjer

    IUCN Not Applicable

    World Heritage Site (natural or mixed)

    247.12 km² overlap

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

1 distinct species · 1 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 obs · 1 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°

22,1°C

Annual rain

32mm

Moisture idx (CMI)

-0,98

Runoff

4mm/an

PET

1 788mm

AET

24mm

Mean slope

4,2°

Water table

929cm

Forest

0%

Crops

0%

Urban

0%

Protected

100%

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