HydroBASINS lev08 watershed · #6080942250
Bassin de Arroyo Valcheta
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 1 administrative regions : Valcheta
Sub-basin area
926,3km²
Upstream area
1 862,2km²
Discharge
2,3m³/s
Mean elev.
320m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Arroyo Valcheta365 km²
- Bassin de Arroyo Valcheta25 km²
2 intersecting protected areas
Meseta de Somuncurá
IUCN VIProtected Nature Area
399.37 km² overlap
Bosque Petrificado Valcheta
IUCN VINature Monument
1.64 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
208 distinct species · 3 946 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Valcheta : 23 espèces reliées par 42 interactions GloBI sur 4 types (connectance 8.0%, 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°
13,8°C
Annual rain
227mm
Moisture idx (CMI)
-0,82
Runoff
30mm/an
PET
1 267mm
AET
196mm
Mean slope
1,6°
Water table
436cm
Forest
3%
Crops
0%
Urban
0%
Protected
56%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)