HydroBASINS lev08 watershed · #5080347230
Bassin de Belyando 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 1 administrative regions : Isaac
Sub-basin area
1 454,5km²
Upstream area
19 319,8km²
Discharge
13,7m³/s
Mean elev.
271m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Dunda Creek2131 km²
- Bassin de Belyando River1227 km²
1 dept-equivalent regions (GADM L2)
- 1450.8 km²100.0% of basin
2 intersecting protected areas
Bygana West
IUCN VINature Refuge
13.63 km² overlap
Bygana
IUCN VINature Refuge
1.16 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
278 distinct species · 667 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 Belyando River : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 47 interactions GloBI sur 4 types (connectance 6.3%, filtre Serrano α=0.2). 9 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°
22,6°C
Annual rain
608mm
Moisture idx (CMI)
-0,66
Runoff
22mm/an
PET
1 795mm
AET
513mm
Mean slope
0,5°
Water table
172cm
Forest
0%
Crops
0%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)