HydroBASINS lev08 watershed · #6080134560
Bassin de Río Ventuari
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 : Atabapo
Sub-basin area
193,8km²
Upstream area
39 896,9km²
Discharge
2 100,97m³/s
Mean elev.
115m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río Ventuari325 km²
- Bassin de Río Ventuari7 km²
1 intersecting protected areas
Yapacana
IUCN IINational Park (PN)
143.79 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
617 distinct species · 1 462 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 26 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 Río Ventuari : 22 espèces reliées par 28 interactions GloBI sur 2 types (connectance 6.4%, filtre Serrano α=0.2). 8 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°
27,4°C
Annual rain
3 122mm
Moisture idx (CMI)
0,41
Runoff
1 952mm/an
PET
1 832mm
AET
1 583mm
Mean slope
1,3°
Water table
31cm
Forest
87%
Crops
0%
Urban
0%
Protected
40%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)