HydroBASINS lev08 watershed · #6080864840
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 3 administrative regions : Colonia Lavalleja, NA, Valentín
Sub-basin area
6,8km²
Upstream area
4 454,6km²
Discharge
90,44m³/s
Mean elev.
77m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Arroyo Sopas950 km²
- Bassin de Río Arapey Grande751 km²
3 dept-equivalent regions (GADM L2)
- 6.4 km²95.0% of basin
- 0.3 km²4.4% of basin
- 0.0 km²0.6% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
47 distinct species · 51 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 13 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 : 11 espèces reliées par 11 interactions GloBI sur 3 types (connectance 14.1%, filtre Serrano α=0.2). 2 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°
18,8°C
Annual rain
1 302mm
Moisture idx (CMI)
-0,10
Runoff
608mm/an
PET
1 442mm
AET
1 092mm
Mean slope
0,8°
Water table
56cm
Forest
43%
Crops
21%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)