HydroBASINS lev08 watershed · #6080302730
Bassin de Rio Iriri
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 2 administrative regions : Altamira, Uruará
Sub-basin area
1 099,2km²
Upstream area
138 999,2km²
Discharge
2 699,4m³/s
Mean elev.
180m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Igarapé Massoró905 km²
- Bassin de Rio Iriri410 km²
2 dept-equivalent regions (GADM L2)
- 1092.2 km²99.8% of basin
- 2.2 km²0.2% of basin
3 intersecting protected areas
Kararaô
IUCN Not ReportedIndigenous Area
484.38 km² overlap
Arara
IUCN Not ReportedIndigenous Area
265.78 km² overlap
Cachoeira Seca
IUCN Not ReportedIndigenous Area
262.20 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
44 distinct species · 80 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 7 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 Iriri : 5 espèces reliées par 6 interactions GloBI sur 1 type (connectance 28.6%, filtre Serrano α=0.2). 2 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°
25,2°C
Annual rain
1 560mm
Moisture idx (CMI)
-0,06
Runoff
523mm/an
PET
1 663mm
AET
1 153mm
Mean slope
2,3°
Water table
81cm
Forest
94%
Crops
0%
Urban
0%
Protected
93%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)