HydroBASINS lev08 watershed · #6080040830
Bassin de Arroyo Chasicó
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 : Puán, Saavedra, Tornquist, Villarino
Sub-basin area
4 481,3km²
Upstream area
4 481,3km²
Discharge
14,81m³/s
Mean elev.
194m
Administrative coverage
4 dept-equivalent regions (GADM L2)
- 2195.4 km²49.0% of basin
- 1194.6 km²26.6% of basin
- 796.1 km²17.8% of basin
- 298.2 km²6.7% of basin
1 intersecting protected areas
Chasico
IUCN IVNature Reserve of Define Objects
78.12 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
665 distinct species · 19 926 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 26 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 Chasicó : 19 espèces reliées par 35 interactions GloBI sur 3 types (connectance 8.6%, 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°
14,6°C
Annual rain
622mm
Moisture idx (CMI)
-0,52
Runoff
89mm/an
PET
1 304mm
AET
529mm
Mean slope
1,1°
Water table
169cm
Forest
3%
Crops
40%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)