HydroBASINS lev08 watershed · #1080106770

Bassin de Oued El Melh

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 8 administrative regions : Boualem, Brida, Hadj Mechri, Sidi Ameur, Sidi Slimane +3

EndorheicPfafstetter: 15474049

Sub-basin area

1 077km²

Upstream area

1 077km²

Discharge

0,5m³/s

Mean elev.

1 324m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Oued El Melh1221 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

8 dept-equivalent regions (GADM L2)

Sidi Tifour
El Bayadh · Algeria
586.6 km²
54.5% of basin
Boualem
El Bayadh · Algeria
315.9 km²
29.3% of basin
Sidi Slimane
El Bayadh · Algeria
145.0 km²
13.5% of basin
Tadjrouna
Laghouat · Algeria
23.9 km²
2.2% of basin
Taouala
Laghouat · Algeria
3.1 km²
0.3% of basin
Sidi Ameur
El Bayadh · Algeria
1.5 km²
0.1% of basin
Hadj Mechri
Laghouat · Algeria
0.5 km²
0.0% of basin
Brida
Laghouat · Algeria
0.1 km²
0.0% of basin

1 intersecting protected areas

Atlas Saharien
IUCN Not Applicable
Cultural Park
1076.59 km² overlap

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

Species present

12 distinct species · 14 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 2 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).

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Bassin de Oued El Melh : 2 espèces reliées par 1 interaction GloBI sur 1 type (connectance 100.0%, filtre Serrano α=0.2).

Espèces affichées

Interactions affichées

Connectance

1.000

Patrimoniales

Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydroclimate (BasinATLAS lev08)

Mean T°

14,2°C

Annual rain

262mm

Moisture idx (CMI)

-0,79

Runoff

32mm/an

PET

1 272mm

AET

225mm

Mean slope

3,8°

Water table

1 068cm

Forest

Crops

Urban

Protected

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

Bassin de Oued El Melh

🗺️Administrative coverage