Ontologia

HydroBASINS lev08 watershed · #1080084860

Bassin de Oued Dous واد دورس

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 17 administrative regions : Aghni-Goughrane, Ain El Hadjar, Ain Turk, Ain-Bessem, Ait Bouadou +12

Pfafstetter: 15305427

Sub-basin area

406,1km²

Upstream area

894,5km²

Discharge

4,07m³/s

Mean elev.

746m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

17 dept-equivalent regions (GADM L2)

9 more

2 intersecting protected areas

  • Djurdjura

    IUCN Not Applicable

    UNESCO-MAB Biosphere Reserve

    72.02 km² overlap

  • Djurdjura

    IUCN II

    National Park

    41.24 km² overlap

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

Species present

520 distinct species · 1 228 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 228 obs · 11 cellules
Obs. / cellule
≥ 480
197–479
120–196
62–119
< 62

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

Ecological tissue

Sample of 42 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 Bassin de Oued Dous واد دورس : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 99 interactions GloBI sur 5 types (connectance 11.0%, filtre Serrano α=0.2). 16 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
43
Interactions affichées
99
Connectance
0.110
Patrimoniales
1
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°

15,5°C

Annual rain

736mm

Moisture idx (CMI)

-0,36

Runoff

173mm/an

PET

1 151mm

AET

591mm

Mean slope

9,5°

Water table

467cm

Forest

31%

Crops

71%

Urban

9%

Protected

10%

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