HydroBASINS lev08 watershed · #6080911670
Bassin de Arroyo El Zapallar
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 2 administrative regions : General Belgrano, Pila
Sub-basin area
250,6km²
Upstream area
2 929,2km²
Discharge
27,48m³/s
Mean elev.
22m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Canal 11334 km²
- Bassin de Arroyo El Zapallar101 km²
2 dept-equivalent regions (GADM L2)
- 134.2 km²53.5% of basin
- 116.4 km²46.5% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
110 distinct species · 590 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 27 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 Arroyo El Zapallar : 22 espèces reliées par 30 interactions GloBI sur 3 types (connectance 8.5%, filtre Serrano α=0.2). 5 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°
15,3°C
Annual rain
939mm
Moisture idx (CMI)
-0,27
Runoff
214mm/an
PET
1 294mm
AET
797mm
Mean slope
0,0°
Water table
3cm
Forest
0%
Crops
13%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)