HydroBASINS lev08 watershed · #1080741240
Bassin de Nazinon
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 5 administrative regions : Bazèga, Boulkiemdé, Kadiogo, Kourwéogo, Ziro
Sub-basin area
2 115,9km²
Upstream area
2 784,6km²
Discharge
2,44m³/s
Mean elev.
326m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Nazinon351 km²
- Bassin de Nazinon318 km²
5 dept-equivalent regions (GADM L2)
- 1042.1 km²49.4% of basin
- 549.9 km²26.1% of basin
- 295.2 km²14.0% of basin
- 148.9 km²7.1% of basin
- 71.6 km²3.4% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
162 distinct species · 346 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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 Nazinon : 36 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) + 1 bulle famille, 28 interactions GloBI documentées sur 4 types (connectance 4.2%, filtre Serrano α=0.2). Les 1 bulle regroupe des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
27,6°C
Annual rain
787mm
Moisture idx (CMI)
-0,60
Runoff
39mm/an
PET
1 992mm
AET
664mm
Mean slope
0,4°
Water table
125cm
Forest
0%
Crops
20%
Urban
3%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)