HydroBASINS lev08 watershed · #1080567990
Bassin · #1080567990
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 4 administrative regions : Keur-Macène, Méderdra, R'Kiz, Rosso
Sub-basin area
476,7km²
Upstream area
3 939,3km²
Discharge
2,49m³/s
Mean elev.
18m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #10805550502005 km²
- Bassin · #10805550601458 km²
4 dept-equivalent regions (GADM L2)
- 338.7 km²71.3% of basin
- 104.4 km²22.0% of basin
- 31.9 km²6.7% of basin
- 0.1 km²0.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
52 distinct species · 109 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 6 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 · #1080567990 : 6 espèces reliées par 4 interactions GloBI sur 2 types (connectance 26.7%, 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°
27,6°C
Annual rain
206mm
Moisture idx (CMI)
-0,90
Runoff
3mm/an
PET
2 093mm
AET
170mm
Mean slope
0,6°
Water table
133cm
Forest
0%
Crops
9%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)