HydroBASINS lev08 watershed · #6080164860
Bassin de Brazo Casiquiare
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 : Maroa
Sub-basin area
138,8km²
Upstream area
6 541,9km²
Discharge
495,94m³/s
Mean elev.
104m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #60801638701656 km²
- Bassin de Brazo Casiquiare900 km²
2 intersecting protected areas
Alto Orinoco - Casiquiare
IUCN VIBiosphere Reserve (RB)
128.46 km² overlap
Alto Orinoco - Casiquiare
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
128.46 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
90 distinct species · 111 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 10 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 Brazo Casiquiare : 10 espèces reliées par 8 interactions GloBI sur 1 type (connectance 17.8%, 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°
26,6°C
Annual rain
3 413mm
Moisture idx (CMI)
0,44
Runoff
2 575mm/an
PET
1 905mm
AET
1 880mm
Mean slope
0,4°
Water table
8cm
Forest
99%
Crops
0%
Urban
0%
Protected
56%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)