HydroBASINS lev08 watershed · #1080742980
Bassin de Hadejia River
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 11 administrative regions : Dala, Dawakin Kudu, Fagge, Gezawa, Gwale +6
Sub-basin area
251km²
Upstream area
7 208,6km²
Discharge
33,88m³/s
Mean elev.
466m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Watari River1561 km²
- Bassin de Hadejia River715 km²
11 dept-equivalent regions (GADM L2)
- 124.7 km²49.9% of basin
- 28.3 km²11.3% of basin
- 26.2 km²10.5% of basin
- 23.5 km²9.4% of basin
- 17.3 km²6.9% of basin
- 14.9 km²6.0% of basin
- 11.5 km²4.6% of basin
- 2.2 km²0.9% of basin
3 moreFull L2 list
- Dala0.6 km² · 0.3%
- Nasarawa0.6 km² · 0.2%
- Dawakin Kudu0.1 km² · 0.0%
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
230 distinct species · 1 989 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 44 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 Hadejia River : 37 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 38 interactions GloBI sur 5 types (connectance 4.0%, filtre Serrano α=0.2). 7 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°
26,2°C
Annual rain
775mm
Moisture idx (CMI)
-0,61
Runoff
137mm/an
PET
1 968mm
AET
654mm
Mean slope
0,5°
Water table
121cm
Forest
0%
Crops
61%
Urban
88%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)