HydroBASINS lev08 watershed · #6080735790
Bassin de Rio Dois Rios
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 3 administrative regions : Itaocara, São Fidélis, São Sebastião do Alto
Sub-basin area
165,6km²
Upstream area
3 164,8km²
Discharge
41,53m³/s
Mean elev.
187m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Negro1160 km²
- Bassin de Rio Grande128 km²
3 dept-equivalent regions (GADM L2)
- São FidélisRio de Janeiro · Brazil163.0 km²98.7% of basin
- 2.1 km²1.3% of basin
- São Sebastião do AltoRio de Janeiro · Brazil0.0 km²0.0% of basin
1 intersecting protected areas
Environmental Protection Area
0.40 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
49 distinct species · 123 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 12 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 Dois Rios : 12 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 7 interactions GloBI sur 3 types (connectance 10.6%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
22,4°C
Annual rain
1 191mm
Moisture idx (CMI)
-0,23
Runoff
225mm/an
PET
1 548mm
AET
1 011mm
Mean slope
13,7°
Water table
470cm
Forest
0%
Crops
12%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)