HydroBASINS lev08 watershed · #1080985090
Bassin de Pra 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 4 administrative regions : Adansi Asokwa, Adansi South, Assin Central, Assin North
Sub-basin area
569,6km²
Upstream area
10 052,2km²
Discharge
98,4m³/s
Mean elev.
122m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Pra River415 km²
- Bassin · #1080983800294 km²
4 dept-equivalent regions (GADM L2)
- 363.8 km²64.1% of basin
- 189.6 km²33.4% of basin
- 7.2 km²1.3% of basin
- 6.6 km²1.2% of basin
4 intersecting protected areas
Numia
IUCN VForest Reserve
34.15 km² overlap
Onuem Bepo
IUCN VIForest Reserve
11.50 km² overlap
Onuem Nyamibe Shelterbelt
IUCN VIForest Reserve
8.25 km² overlap
Kokotintin Shelterbelt
IUCN VForest Reserve
2.30 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
456 distinct species · 12 345 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 7 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 Pra River : 6 espèces reliées par 5 interactions GloBI sur 2 types (connectance 23.8%, filtre Serrano α=0.2). 1 bulle taxonomique (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°
26,3°C
Annual rain
1 564mm
Moisture idx (CMI)
-0,01
Runoff
297mm/an
PET
1 583mm
AET
1 255mm
Mean slope
2,3°
Water table
84cm
Forest
7%
Crops
5%
Urban
4%
Protected
9%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)