HydroBASINS lev08 watershed · #6080041130
Bassin de Arroyo Corral Chico o Pailemán
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 : San Antonio, Valcheta
Sub-basin area
2 517,1km²
Upstream area
2 517,1km²
Discharge
1,22m³/s
Mean elev.
445m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- 1784.5 km²70.8% of basin
- 735.9 km²29.2% of basin
1 intersecting protected areas
Meseta de Somuncurá
IUCN VIProtected Nature Area
1675.11 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
204 distinct species · 545 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 Corral Chico o Pailemán : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 32 interactions GloBI sur 4 types (connectance 5.4%, filtre Serrano α=0.2). 7 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°
12,9°C
Annual rain
220mm
Moisture idx (CMI)
-0,82
Runoff
21mm/an
PET
1 208mm
AET
192mm
Mean slope
1,4°
Water table
558cm
Forest
0%
Crops
0%
Urban
0%
Protected
68%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)