HydroBASINS lev08 watershed · #1080121730
Bassin de Oued Hamza
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 2 administrative regions : Errachidia, Khénifra
Sub-basin area
1 300km²
Upstream area
1 300km²
Discharge
1,87m³/s
Mean elev.
1 895m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- Errachidia1286.8 km²99.0% of basin
- 12.4 km²1.0% of basin
4 intersecting protected areas
Réserve de Biosphère des Oasis du Sud Marocain (RBOSM)
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
1165.02 km² overlap
Réserve de Biosphère de la Cedraie de l'Atlas (RBCA)
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
107.43 km² overlap
Jbel Ayachi
IUCN Not ApplicablePermanent Hunting Reserve
99.83 km² overlap
Jbel Ayachi
IUCN Not ApplicableBiological and Ecological Interest Site
21.87 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
382 distinct species · 1 239 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Hamza : 19 espèces reliées par 64 interactions GloBI sur 4 types (connectance 15.8%, filtre Serrano α=0.2). 10 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°
12,9°C
Annual rain
307mm
Moisture idx (CMI)
-0,76
Runoff
47mm/an
PET
1 338mm
AET
261mm
Mean slope
10,4°
Water table
731cm
Forest
0%
Crops
0%
Urban
0%
Protected
8%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)