HydroBASINS lev08 watershed · #6080761870
Bassin de Rio Ivaí
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 9 administrative regions : Cidade Gaúcha, Douradina, Guairaçá, Loanda, Nova Olímpia +4
Sub-basin area
1 213,1km²
Upstream area
33 291,5km²
Discharge
693,65m³/s
Mean elev.
346m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Ribeirão Tapiracuí919 km²
- Bassin de Rio Itaoca ou Pacu630 km²
9 dept-equivalent regions (GADM L2)
- 350.6 km²29.0% of basin
- 260.0 km²21.5% of basin
- 223.0 km²18.4% of basin
- 200.6 km²16.6% of basin
- 136.8 km²11.3% of basin
- 26.7 km²2.2% of basin
- 12.4 km²1.0% of basin
- 0.1 km²0.0% of basin
1 moreFull L2 list
- Douradina0.0 km² · 0.0%
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
265 distinct species · 1 018 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Ivaí : 25 espèces reliées par 36 interactions GloBI sur 3 types (connectance 7.7%, 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°
21,8°C
Annual rain
1 274mm
Moisture idx (CMI)
-0,23
Runoff
264mm/an
PET
1 656mm
AET
1 078mm
Mean slope
2,2°
Water table
254cm
Forest
2%
Crops
8%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)