Ontologia

Ruisseau· 20 segments

Oued El Harrach

Crosses 17 administrative regions : Baata, Baraki, Birtouta, Bordj El Kiffan, Bougara +12

ruisseau

Total length

61km

Max discharge

7m³/s

Max Strahler

3

Segments matched

20

River geography17 admin regions · 0 communes

Parent watershed

hybas-10800307001098 km²

17 administrative regions crossed (GADM L2)

2 intersecting protected areas

  • Chréa

    IUCN Not Applicable

    UNESCO-MAB Biosphere Reserve

  • Chréa

    IUCN II

    National Park

1 page = 1 named river (aggregation of 20 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

18 distinct species · 34 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 11 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

Indicateurs du tissu écologique

Tissu écologique de Oued El Harrach : 11 espèces reliées par 7 interactions GloBI sur 3 types (connectance 12.7%, filtre Serrano α=0.2).

Espèces affichées
11
Interactions affichées
7
Connectance
0.127
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

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

Hydrology (HydroRIVERS v10)

Total length

61km

Max discharge

7,0m³/s

Max Strahler

3

Segments matched

20

HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.