HydroBASINS lev08 watershed · #6080079280
Bassin de Río Apure
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 : Achaguas, Arismendi, Muñoz, Sosa
Sub-basin area
2 345,4km²
Upstream area
55 106km²
Discharge
1 510,9m³/s
Mean elev.
64m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Caño Guaritico214 km²
- Bassin de Río Apure6 km²
4 dept-equivalent regions (GADM L2)
- ArismendiBarinas · Venezuela1327.4 km²56.8% of basin
- 516.1 km²22.1% of basin
- 449.5 km²19.2% of basin
- 42.6 km²1.8% of basin
1 intersecting protected areas
Caño Guaritíco
IUCN IVWildlife Refuge (RFS)
0.80 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
301 distinct species · 785 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 28 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 Apure : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) 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°
27,5°C
Annual rain
1 530mm
Moisture idx (CMI)
-0,11
Runoff
657mm/an
PET
1 710mm
AET
1 083mm
Mean slope
0,4°
Water table
9cm
Forest
18%
Crops
2%
Urban
0%
Protected
30%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)