HydroBASINS lev08 watershed · #6080074170
Bassin de Río Zulia
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 6 administrative regions across 2 countries : Ayacucho, Catatumbo, García de Hevia, Puerto Santander, San José de Cúcuta +1
Sub-basin area
285,4km²
Upstream area
7 190,7km²
Discharge
251,18m³/s
Mean elev.
79m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río Pamplonita3552 km²
- Bassin de Río Zulia1241 km²
6 dept-equivalent regions (GADM L2)
- 128.2 km²45.1% of basin
- 74.7 km²26.3% of basin
- 42.7 km²15.0% of basin
- 35.1 km²12.4% of basin
- 2.9 km²1.0% of basin
- Puerto Santander0.5 km²0.2% of basin
3 intersecting protected areas
Lago de Maracaibo
IUCN VICritical Area with Treatment Priority (ACPT)
262.21 km² overlap
Zona Sur Lago de Maracaibo
IUCN VINational Hydraulic Reserve (RNH)
138.98 km² overlap
Cuenca Hidrográfica Rio Zulia
IUCN Not ApplicableWatershed
66.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
99 distinct species · 109 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Zulia : 26 espèces reliées par 25 interactions GloBI sur 2 types (connectance 6.2%, filtre Serrano α=0.2). 3 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°
27,9°C
Annual rain
2 581mm
Moisture idx (CMI)
0,29
Runoff
863mm/an
PET
1 839mm
AET
1 747mm
Mean slope
1,7°
Water table
60cm
Forest
1%
Crops
4%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)