HydroBASINS lev08 watershed · #6080079860
Bassin de Río Portuguesa
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 : Arismendi, Camaguán, Miranda
Sub-basin area
679,2km²
Upstream area
49 730,7km²
Discharge
769,17m³/s
Mean elev.
54m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Caño Caujarito508 km²
- Bassin de Río Guanare Viejo299 km²
3 dept-equivalent regions (GADM L2)
- 473.1 km²69.9% of basin
- ArismendiBarinas · Venezuela113.2 km²16.7% of basin
- 90.1 km²13.3% of basin
3 intersecting protected areas
Acuífero de Calabozo
IUCN VICritical Area with Treatment Priority (ACPT)
473.16 km² overlap
Esteros de Camaguán
IUCN IVWildlife Reserve (REFA)
150.25 km² overlap
Márgenes del Río Guárico
IUCN VForest Area Under Protection (ABBP)
22.37 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
360 distinct species · 2 588 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 Portuguesa : 18 espèces reliées par 30 interactions GloBI sur 2 types (connectance 8.5%, 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°
27,4°C
Annual rain
1 483mm
Moisture idx (CMI)
-0,13
Runoff
584mm/an
PET
1 713mm
AET
1 062mm
Mean slope
0,2°
Water table
5cm
Forest
24%
Crops
11%
Urban
0%
Protected
30%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)