HydroBASINS lev08 watershed · #1080130490
Bassin de Oued Nfiss ⴰⵙⵉⴼ ⵏⴼⵉⵙ وادي نفيس
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 : Marrakech
Sub-basin area
88,9km²
Upstream area
2 314,3km²
Discharge
3,94m³/s
Mean elev.
421m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
1 dept-equivalent regions (GADM L2)
- 88.9 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
74 distinct species · 221 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 26 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 Nfiss ⴰⵙⵉⴼ ⵏⴼⵉⵙ وادي نفيس : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 27 interactions GloBI sur 2 types (connectance 8.3%, filtre Serrano α=0.2). 2 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°
19,3°C
Annual rain
266mm
Moisture idx (CMI)
-0,83
Runoff
93mm/an
PET
1 552mm
AET
224mm
Mean slope
0,6°
Water table
319cm
Forest
4%
Crops
57%
Urban
23%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)