HydroBASINS lev08 watershed · #6080471650
Bassin de Rio Madeira
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 across 2 countries : Federico Román, Porto Velho
Sub-basin area
532,3km²
Upstream area
923 538,6km²
Discharge
17 497,75m³/s
Mean elev.
113m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Madeira219 km²
- Bassin de Rio Madeira190 km²
2 dept-equivalent regions (GADM L2)
- 350.8 km²66.2% of basin
- 174.4 km²32.9% of basin
3 intersecting protected areas
Estação Ecológica Umirizal
IUCN IaEcological Station
161.06 km² overlap
Bruno Racua
IUCN Not ReportedWildlife Reserve
137.76 km² overlap
Natural Heritage Private Reserve
2.75 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
934 distinct species · 6 144 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 28 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 Madeira : 20 espèces reliées par 36 interactions GloBI sur 4 types (connectance 8.3%, filtre Serrano α=0.2). 10 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°
26,4°C
Annual rain
1 665mm
Moisture idx (CMI)
-0,05
Runoff
1 195mm/an
PET
1 752mm
AET
1 273mm
Mean slope
0,8°
Water table
32cm
Forest
93%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)