HydroBASINS lev08 watershed · #1080182680
Bassin de Oued Drâa ⴰⵙⵉⴼ ⵏ ⴷⵔⵄⴰ واد 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
Sub-basin area
642,6km²
Upstream area
642,6km²
Discharge
0,95m³/s
Mean elev.
637m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
1 dept-equivalent regions (GADM L2)
- Tata641.8 km²100.0% of basin
1 intersecting protected areas
Oued Draa
IUCN Not ApplicablePermanent Hunting Reserve
456.33 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
153 distinct species · 301 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Oued Drâa ⴰⵙⵉⴼ ⵏ ⴷⵔⵄⴰ واد درعة : 27 espèces reliées par 56 interactions GloBI sur 5 types (connectance 9.4%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
20,8°C
Annual rain
152mm
Moisture idx (CMI)
-0,91
Runoff
44mm/an
PET
1 726mm
AET
126mm
Mean slope
4,9°
Water table
459cm
Forest
0%
Crops
0%
Urban
0%
Protected
71%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)