HydroBASINS lev08 watershed · #6080243430
Bassin de Rio Unini
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 : Barcelos
Sub-basin area
3 891km²
Upstream area
27 433km²
Discharge
1 501,41m³/s
Mean elev.
45m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Unini2854 km²
- Bassin de Rio Unini1465 km²
4 intersecting protected areas
Rio Negro
IUCN IbWetland of International Importance (Ramsar Site)
3701.16 km² overlap
Extractive Reserve
2300.66 km² overlap
Central Amazon Conservation Complex
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
1511.80 km² overlap
Parque Nacional Do Jaú
IUCN IIPark
1469.12 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
341 distinct species · 3 764 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Unini : 26 espèces reliées par 33 interactions GloBI sur 3 types (connectance 5.9%, filtre Serrano α=0.2). 8 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°
26,9°C
Annual rain
2 429mm
Moisture idx (CMI)
0,31
Runoff
1 263mm/an
PET
1 680mm
AET
1 599mm
Mean slope
0,5°
Water table
7cm
Forest
90%
Crops
0%
Urban
0%
Protected
95%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)