HydroBASINS lev08 watershed · #6080891020
Bassin de Río Tunuyán
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 : Junín, La Paz, Rivadavia, Santa Rosa
Sub-basin area
1 018,8km²
Upstream area
15 344km²
Discharge
57,06m³/s
Mean elev.
572m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río Tunuyán322 km²
- Bassin de Canal Los Andes153 km²
4 dept-equivalent regions (GADM L2)
- 422.8 km²41.5% of basin
- 332.1 km²32.6% of basin
- 242.1 km²23.8% of basin
- 21.4 km²2.1% of basin
1 intersecting protected areas
Lagunas de Guanacache, Desaguadero y del Bebedero
IUCN Not ReportedWetland of International Importance (Ramsar Site)
0.22 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
214 distinct species · 5 585 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 Tunuyán : 28 espèces reliées par 48 interactions GloBI sur 4 types (connectance 6.8%, filtre Serrano α=0.2). 10 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°
16,7°C
Annual rain
258mm
Moisture idx (CMI)
-0,83
Runoff
5mm/an
PET
1 534mm
AET
218mm
Mean slope
0,2°
Water table
239cm
Forest
8%
Crops
10%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)