HydroBASINS lev08 watershed · #1080028190
Bassin · #1080028190
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 : Nouadhibou
Sub-basin area
954,2km²
Upstream area
954,2km²
Discharge
0,04m³/s
Mean elev.
12m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- 181.2 km²19.0% of basin
1 intersecting protected areas
Baie de l'Etoile
IUCN Not ReportedAMP Usages Multiples
20.78 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
336 distinct species · 36 050 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 21 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 · #1080028190 : 16 espèces reliées par 40 interactions GloBI sur 2 types (connectance 19.0%, filtre Serrano α=0.2). 5 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°
21,6°C
Annual rain
19mm
Moisture idx (CMI)
-0,99
Runoff
5mm/an
PET
1 453mm
AET
16mm
Mean slope
0,6°
Water table
120cm
Forest
0%
Crops
0%
Urban
5%
Protected
80%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)