HydroBASINS lev08 watershed · #1080447330
Bassin · #1080447330
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 : Akjoujt, Nouadhibou
Sub-basin area
270,2km²
Upstream area
26 587,8km²
Discharge
9,06m³/s
Mean elev.
25m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #1080446440843 km²
- Bassin · #108044652075 km²
2 dept-equivalent regions (GADM L2)
- 184.9 km²68.6% of basin
- 84.5 km²31.4% of basin
3 intersecting protected areas
Wetland of International Importance (Ramsar Site)
171.23 km² overlap
Banc d'Arguin National Park
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
171.23 km² overlap
Banc d'Arguin
IUCN IINational Park
93.32 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
61 distinct species · 446 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 13 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 · #1080447330 : 11 espèces reliées par 9 interactions GloBI sur 2 types (connectance 11.5%, 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°
24,7°C
Annual rain
36mm
Moisture idx (CMI)
-0,98
Runoff
1mm/an
PET
1 742mm
AET
27mm
Mean slope
0,5°
Water table
85cm
Forest
0%
Crops
0%
Urban
0%
Protected
35%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)