HydroBASINS lev08 watershed · #6080793620
Bassin de Río Iguazú
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 7 administrative regions across 2 countries : Foz do Iguaçu, General Manuel Belgrano, Iguazú, Medianeira, Santa Terezinha de Itaipu +2
Sub-basin area
2 266km²
Upstream area
67 537,3km²
Discharge
1 835,96m³/s
Mean elev.
268m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Floriano2446 km²
- Bassin de Río San Antonio1283 km²
7 dept-equivalent regions (GADM L2)
- 620.6 km²27.4% of basin
- 456.9 km²20.2% of basin
- 391.3 km²17.3% of basin
- 346.5 km²15.3% of basin
- 271.2 km²12.0% of basin
- 117.3 km²5.2% of basin
- 57.7 km²2.6% of basin
15 intersecting protected areas
Iguazu National Park
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
565.16 km² overlap
Iguazú
IUCN IINational Park
512.47 km² overlap
Parque Nacional Do Iguaçu
IUCN IIPark
439.05 km² overlap
Iguaçu National Park
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
437.67 km² overlap
Urugua-í
IUCN IIProvincial Park
71.55 km² overlap
Iguazú
IUCN VINational Reserve
50.94 km² overlap
Puerto Península
IUCN Not ReportedNature Reserve of Defense
12.28 km² overlap
Yacuy
IUCN IIProvincial Park
3.61 km² overlap
Provincial Park
1.30 km² overlap
6 more protected areassorted by overlap area
Alto Iguazu
IUCN IbWilderness Nature Reserve
0.75 km² overlap
Caa Pora
IUCN Not ReportedPrivate Reserve
0.40 km² overlap
Florencio de Basaldua
IUCN VINature Monument
0.28 km² overlap
Grupo de la Isla
IUCN IIProvincial Park
0.17 km² overlap
Luís Honorio Rolón
IUCN VIMunicipal Nature Park
0.13 km² overlap
Andres Giai
IUCN VProtected Landscape
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
5 544 distinct species · 706 268 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 25 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 Iguazú : 20 espèces reliées par 26 interactions GloBI sur 3 types (connectance 8.7%, filtre Serrano α=0.2). 5 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°
20,3°C
Annual rain
1 766mm
Moisture idx (CMI)
0,09
Runoff
1 115mm/an
PET
1 601mm
AET
1 450mm
Mean slope
3,1°
Water table
197cm
Forest
61%
Crops
14%
Urban
1%
Protected
46%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)