HydroBASINS lev08 watershed · #6080798730
Bassin de Rio Iguaçu
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 : Bituruna, Coronel Domingos Soares, Cruz Machado, Pinhão, Reserva do Iguaçu
Sub-basin area
773,9km²
Upstream area
30 890,3km²
Discharge
637,87m³/s
Mean elev.
987m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio da Areia2162 km²
- Bassin de Rio Iguaçu1597 km²
5 dept-equivalent regions (GADM L2)
- 488.7 km²63.3% of basin
- 118.6 km²15.4% of basin
- 98.8 km²12.8% of basin
- 66.0 km²8.5% of basin
- 0.3 km²0.0% of basin
2 intersecting protected areas
Sustainable Development Reserve
12.12 km² overlap
Wildlife Refuge
2.04 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
935 distinct species · 4 729 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Rio Iguaçu : 32 espèces reliées par 61 interactions GloBI sur 4 types (connectance 8.7%, 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°
16,4°C
Annual rain
1 789mm
Moisture idx (CMI)
0,24
Runoff
591mm/an
PET
1 364mm
AET
1 293mm
Mean slope
11,3°
Water table
440cm
Forest
72%
Crops
9%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)