Ontologia

HydroBASINS lev08 watershed · #1080120710

Bassin de Oued Oum Rbia

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 3 administrative regions : Azilal, Béni Mellal, Khouribga

Pfafstetter: 15160705

Sub-basin area

1 965,4km²

Upstream area

8 710,8km²

Discharge

12,1m³/s

Mean elev.

634m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Oued Oum Rbia260 km²

3 dept-equivalent regions (GADM L2)

10 intersecting protected areas

  • Béni Mellal

    IUCN Not Applicable

    Permanent Hunting Reserve

    100.64 km² overlap

  • Oued Zem et Plateaux des phosphates

    IUCN Not Applicable

    Permanent Hunting Reserve

    59.43 km² overlap

  • Jbel Tazerkount

    IUCN Not Applicable

    Biological and Ecological Interest Site

    41.09 km² overlap

  • Déroua

    IUCN Not Applicable

    Permanent Hunting Reserve

    18.58 km² overlap

  • Tazerkounte I

    IUCN Not Applicable

    Permanent Hunting Reserve

    18.16 km² overlap

  • Sebt Ouled Nemma

    IUCN Not Applicable

    Permanent Hunting Reserve

    15.70 km² overlap

  • Tazerkounte II

    IUCN Not Applicable

    Permanent Hunting Reserve

    13.16 km² overlap

  • Deroua

    IUCN Not Applicable

    Biological and Ecological Interest Site

    6.96 km² overlap

  • Ouled Njjaa

    IUCN Not Applicable

    Permanent Hunting Reserve

    2.70 km² overlap

1 more protected areas

  • Fquih Ben Saleh

    IUCN Not Applicable

    Permanent Hunting Reserve

    0.11 km² overlap

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

Species present

470 distinct species · 1 405 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 405 obs · 47 cellules
Obs. / cellule
≥ 202
89–201
27–88
12–26
< 12

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

Ecological tissue

Sample of 40 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 Oum Rbia : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 75 interactions GloBI sur 5 types (connectance 8.7%, filtre Serrano α=0.2). 16 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
75
Connectance
0.087
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°

18,1°C

Annual rain

492mm

Moisture idx (CMI)

-0,69

Runoff

52mm/an

PET

1 609mm

AET

415mm

Mean slope

3,7°

Water table

230cm

Forest

15%

Crops

75%

Urban

8%

Protected

7%

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