HydroBASINS lev08 watershed · #1080729400
Bassin de Rio Cacheu
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 3 administrative regions : Bigene, Bula, Canghungo
Sub-basin area
267,6km²
Upstream area
267,6km²
Discharge
6,07m³/s
Mean elev.
18m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- BulaCacheu · Guinea-Bissau212.5 km²79.7% of basin
- CanghungoCacheu · Guinea-Bissau53.9 km²20.2% of basin
- BigeneCacheu · Guinea-Bissau0.2 km²0.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
61 distinct species · 102 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 11 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 Rio Cacheu : 9 espèces reliées par 10 interactions GloBI sur 2 types (connectance 18.2%, filtre Serrano α=0.2). 2 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°
26,5°C
Annual rain
1 585mm
Moisture idx (CMI)
-0,11
Runoff
717mm/an
PET
1 788mm
AET
860mm
Mean slope
1,1°
Water table
82cm
Forest
73%
Crops
15%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)