HydroBASINS lev08 watershed · #1080821060
Bassin de Nasia
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 4 administrative regions : Karaga, Kumbungu, Savelugu, West Mamprusi
Sub-basin area
1 028,5km²
Upstream area
5 351,5km²
Discharge
20,38m³/s
Mean elev.
134m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Nasia735 km²
- Bassin de Nasia412 km²
4 dept-equivalent regions (GADM L2)
- 474.3 km²46.3% of basin
- 453.3 km²44.3% of basin
- 94.1 km²9.2% of basin
- 2.7 km²0.3% of basin
1 intersecting protected areas
Nasia Tributaries
IUCN IVForest Reserve
178.76 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
271 distinct species · 4 740 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 Nasia : 16 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 31 interactions GloBI sur 2 types (connectance 12.3%, 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°
28,2°C
Annual rain
1 042mm
Moisture idx (CMI)
-0,45
Runoff
151mm/an
PET
1 889mm
AET
863mm
Mean slope
0,4°
Water table
64cm
Forest
38%
Crops
23%
Urban
0%
Protected
17%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)