HydroBASINS lev08 watershed · #6080778480
Bassin de Arroyo Brillante
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 5 administrative regions across 2 countries : General Francisco C. Alvarez, Guaíra, Mercedes, Salto del Guairá, Terra Roxa
Sub-basin area
522km²
Upstream area
807 976,1km²
Discharge
9 776,1m³/s
Mean elev.
285m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Arroyo Gasory256 km²
- Bassin de Río Paraná44 km²
5 dept-equivalent regions (GADM L2)
- 179.4 km²34.4% of basin
- 160.7 km²30.9% of basin
- 150.7 km²28.9% of basin
- 29.6 km²5.7% of basin
- 0.5 km²0.1% of basin
1 intersecting protected areas
Reserva de la Biosfera Itaipu
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
300.42 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
120 distinct species · 156 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 Arroyo Brillante : 28 espèces reliées par 31 interactions GloBI sur 3 types (connectance 5.5%, filtre Serrano α=0.2). 6 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°
21,3°C
Annual rain
1 608mm
Moisture idx (CMI)
0,02
Runoff
514mm/an
PET
1 575mm
AET
1 344mm
Mean slope
2,2°
Water table
229cm
Forest
29%
Crops
68%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)