HydroBASINS lev08 watershed · #1080143640
Bassin de Oued Ziz ⴰⵙⵉⴼ ⵏ ⵣⵉⵣ وادي زيز
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 : Errachidia
Sub-basin area
19,3km²
Upstream area
12 946,2km²
Discharge
17,26m³/s
Mean elev.
682m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #10801431401378 km²
- Bassin de Oued Ziz ⴰⵙⵉⴼ ⵏ ⵣⵉⵣ وادي زيز128 km²
1 dept-equivalent regions (GADM L2)
- Errachidia19.2 km²100.0% of basin
2 intersecting protected areas
Rissani
IUCN Not ApplicablePermanent Hunting Reserve
19.24 km² overlap
Réserve de Biosphère des Oasis du Sud Marocain (RBOSM)
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
19.24 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
38 distinct species · 132 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 8 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 Ziz ⴰⵙⵉⴼ ⵏ ⵣⵉⵣ وادي زيز : 8 espèces reliées par 6 interactions GloBI sur 2 types (connectance 21.4%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
22,0°C
Annual rain
53mm
Moisture idx (CMI)
-0,97
Runoff
28mm/an
PET
1 779mm
AET
43mm
Mean slope
0,7°
Water table
52cm
Forest
0%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)