HydroBASINS lev08 watershed · #6080887140
Bassin de Arroyo Los Montes
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 : Gualeguay, Victoria
Sub-basin area
159,7km²
Upstream area
2 538 072,5km²
Discharge
17 844,97m³/s
Mean elev.
3m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 3 basins
- Bassin de Arroyo San Lorenzo2070 km²
- Bassin de Canal San Urbano1724 km²
- Bassin de Río Paraná Pavón709 km²
2 dept-equivalent regions (GADM L2)
- 116.9 km²73.2% of basin
- 42.7 km²26.8% of basin
1 intersecting protected areas
Islas de Victoria
IUCN VIMultiple Use Nature Reserve
47.44 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
31 distinct species · 44 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 7 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 Los Montes : 7 espèces reliées par 5 interactions GloBI sur 1 type (connectance 23.8%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
17,4°C
Annual rain
974mm
Moisture idx (CMI)
-0,29
Runoff
240mm/an
PET
1 381mm
AET
826mm
Mean slope
0,0°
Water table
3cm
Forest
1%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)