HydroBASINS lev08 watershed · #6080469630
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 1 administrative regions : Porto Velho
Sub-basin area
314,6km²
Upstream area
3 599km²
Discharge
163,44m³/s
Mean elev.
121m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #60804720601243 km²
- Bassin · #6080472270107 km²
1 dept-equivalent regions (GADM L2)
- 313.3 km²100.0% of basin
1 intersecting protected areas
Estação Ecológica Umirizal
IUCN IaEcological Station
13.50 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
762 distinct species · 3 086 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 Madeira : 22 espèces reliées par 44 interactions GloBI sur 4 types (connectance 7.8%, filtre Serrano α=0.2). 12 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°
26,2°C
Annual rain
1 829mm
Moisture idx (CMI)
0,05
Runoff
1 460mm/an
PET
1 744mm
AET
1 322mm
Mean slope
1,3°
Water table
41cm
Forest
88%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)