HydroBASINS lev08 watershed · #6080864780
Bassin de Río Arapey Grande
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 : Colonia Lavalleja, NA
Sub-basin area
751km²
Upstream area
3 497,6km²
Discharge
71,51m³/s
Mean elev.
123m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río Arapey Grande1668 km²
- Bassin de Arroyo Mataojo Grande1079 km²
2 dept-equivalent regions (GADM L2)
- 393.1 km²52.4% of basin
- 357.2 km²47.6% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
283 distinct species · 1 093 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Arapey Grande : 27 espèces reliées par 32 interactions GloBI sur 4 types (connectance 5.7%, 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°
18,6°C
Annual rain
1 308mm
Moisture idx (CMI)
-0,09
Runoff
617mm/an
PET
1 440mm
AET
1 094mm
Mean slope
1,4°
Water table
108cm
Forest
4%
Crops
5%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)