HydroBASINS lev08 watershed · #1080027450
Bassin · #1080027450
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 : Keur-Macène, Méderdra
Sub-basin area
197,9km²
Upstream area
197,9km²
Discharge
0m³/s
Mean elev.
5m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- 136.4 km²69.2% of basin
- 40.7 km²20.6% of basin
1 intersecting protected areas
Reserve de Chat TBoul
IUCN IIWetland of International Importance (Ramsar Site)
0.88 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
62 distinct species · 319 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 7 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 · #1080027450 : 7 espèces reliées par 4 interactions GloBI sur 2 types (connectance 19.0%, 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°
26,1°C
Annual rain
144mm
Moisture idx (CMI)
-0,92
Runoff
4mm/an
PET
1 865mm
AET
119mm
Mean slope
0,5°
Water table
50cm
Forest
0%
Crops
0%
Urban
5%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)