HydroBASINS lev08 watershed · #6080868080
Bassin de Río Ancho
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 : Pocito, Rivadavia, Zonda
Sub-basin area
711,3km²
Upstream area
711,4km²
Discharge
0,22m³/s
Mean elev.
1 634m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 709.6 km²99.8% of basin
- 0.6 km²0.1% of basin
- 0.6 km²0.1% of basin
1 intersecting protected areas
Presidente Sarmiento
IUCN IIProvincial Park
8.77 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
382 distinct species · 7 163 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Ancho : 27 espèces reliées par 50 interactions GloBI sur 4 types (connectance 7.9%, 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°
12,4°C
Annual rain
161mm
Moisture idx (CMI)
-0,88
Runoff
10mm/an
PET
1 346mm
AET
139mm
Mean slope
9,9°
Water table
729cm
Forest
0%
Crops
2%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)