Ontologia

HydroBASINS lev08 watershed · #1080197750

Bassin de Oued Drâa ⴰⵙⵉⴼ ⵏ ⴷⵔⵄⴰ وادي درعة

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 : Tata

Pfafstetter: 15140313

Sub-basin area

18,6km²

Upstream area

72 558km²

Discharge

205,7m³/s

Mean elev.

264m

Administrative coverage

Hydrographic chain

1 dept-equivalent regions (GADM L2)

2 intersecting protected areas

  • Ait Oumribet

    IUCN Not Applicable

    Biological and Ecological Interest Site

    18.59 km² overlap

  • Oued Draa

    IUCN Not Applicable

    Permanent Hunting Reserve

    12.21 km² overlap

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

Species present

603 distinct species · 2 546 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 546 obs · 1 cellules
Obs. / cellule
≥ 2 546
2 546–2 545
2 546–2 545
2 546–2 545
< 2 546

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 Drâa ⴰⵙⵉⴼ ⵏ ⴷⵔⵄⴰ وادي درعة : 29 espèces reliées par 39 interactions GloBI sur 5 types (connectance 4.5%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
39
Connectance
0.045
Patrimoniales
0
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°

22,1°C

Annual rain

71mm

Moisture idx (CMI)

-0,96

Runoff

25mm/an

PET

1 694mm

AET

57mm

Mean slope

1,2°

Water table

97cm

Forest

0%

Crops

0%

Urban

0%

Protected

100%

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