HydroBASINS lev08 watershed · #1080728270
Bassin du Niger
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 3 administrative regions across 2 countries : Boboye, Dosso, Karimama
Sub-basin area
337,4km²
Upstream area
1 248 380,8km²
Discharge
1 206,98m³/s
Mean elev.
187m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Kaissagourou151 km²
- Bassin du Niger31 km²
3 dept-equivalent regions (GADM L2)
- 144.6 km²43.0% of basin
- 122.3 km²36.4% of basin
- DossoDosso · Niger69.1 km²20.6% of basin
7 intersecting protected areas
Dosso
IUCN IVPartial Fauna Reserve
215.76 km² overlap
Site Ramsar du Complexe W
IUCN IIWetland of International Importance (Ramsar Site)
117.15 km² overlap
Zone humide du moyen Niger
IUCN IbWetland of International Importance (Ramsar Site)
23.26 km² overlap
Dallol Bosso
IUCN IVWetland of International Importance (Ramsar Site)
4.89 km² overlap
W Parks Regional Complex
IUCN IIRegional Park
3.90 km² overlap
W (Benin)
IUCN IINational Park
3.90 km² overlap
W-Arly-Pendjari Complex
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
3.09 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
82 distinct species · 154 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 12 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 du Niger : 9 espèces reliées par 19 interactions GloBI sur 2 types (connectance 24.4%, filtre Serrano α=0.2). 4 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°
29,0°C
Annual rain
651mm
Moisture idx (CMI)
-0,68
Runoff
65mm/an
PET
2 037mm
AET
548mm
Mean slope
0,4°
Water table
112cm
Forest
0%
Crops
16%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)