HydroBASINS lev08 watershed · #6080798890
Bassin de Arroyo Pirá Pytá
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 across 2 countries : Domingo Martínez de Irala, Iguazú, Santa Rosa del Monday, Ñacunday
Sub-basin area
690,4km²
Upstream area
912 500,3km²
Discharge
12 375,04m³/s
Mean elev.
230m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Arroyo Urugua-í2534 km²
- Bassin de Río Paraná844 km²
4 dept-equivalent regions (GADM L2)
- 254.5 km²36.9% of basin
- 195.8 km²28.4% of basin
- 120.9 km²17.6% of basin
- 117.8 km²17.1% of basin
2 intersecting protected areas
Ñacunday
IUCN IINational Park
0.69 km² overlap
Lote "C" Huerto Municipal
IUCN VIMunicipal Nature Park
0.10 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
758 distinct species · 7 856 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 23 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 Pirá Pytá : 15 espèces reliées par 26 interactions GloBI sur 3 types (connectance 10.3%, filtre Serrano α=0.2). 8 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°
20,5°C
Annual rain
1 646mm
Moisture idx (CMI)
0,00
Runoff
931mm/an
PET
1 638mm
AET
1 351mm
Mean slope
3,0°
Water table
203cm
Forest
50%
Crops
35%
Urban
2%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)