HydroBASINS lev08 watershed · #1080758660
Bassin de Alibori
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 : Banikoara, Karimama
Sub-basin area
389,2km²
Upstream area
389,2km²
Discharge
1,14m³/s
Mean elev.
264m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 292.4 km²75.4% of basin
- 95.2 km²24.6% of basin
5 intersecting protected areas
W-Arly-Pendjari Complex
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
94.58 km² overlap
W (Benin)
IUCN IINational Park
90.91 km² overlap
W Parks Regional Complex
IUCN IIRegional Park
90.91 km² overlap
Site Ramsar du Complexe W
IUCN IIWetland of International Importance (Ramsar Site)
61.71 km² overlap
Djona
IUCN VIHunting Zone
0.11 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
169 distinct species · 847 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 22 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 de Alibori : 17 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 31 interactions GloBI sur 4 types (connectance 13.4%, 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°
27,9°C
Annual rain
916mm
Moisture idx (CMI)
-0,54
Runoff
86mm/an
PET
1 988mm
AET
774mm
Mean slope
0,8°
Water table
125cm
Forest
12%
Crops
16%
Urban
0%
Protected
23%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)