HydroBASINS lev08 watershed · #6080178080
Bassin de Río Siapa
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 across 2 countries : Barcelos, Río Negro, Santa Isabel do Rio Negro
Sub-basin area
1 387,2km²
Upstream area
1 387,2km²
Discharge
54,98m³/s
Mean elev.
621m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 1367.0 km²99.0% of basin
- 12.5 km²0.9% of basin
- 1.4 km²0.1% of basin
6 intersecting protected areas
Alto Orinoco - Casiquiare
IUCN VIBiosphere Reserve (RB)
1377.51 km² overlap
Alto Orinoco - Casiquiare
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
1377.51 km² overlap
Paríma - Tapirapeco
IUCN IINational Park (PN)
1347.01 km² overlap
Natural Monument (MN)
721.27 km² overlap
Yanomami
IUCN Not ReportedIndigenous Area
8.75 km² overlap
Forest
7.72 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
46 distinct species · 62 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Hydroclimate (BasinATLAS lev08)
Mean T°
24,0°C
Annual rain
2 662mm
Moisture idx (CMI)
0,38
Runoff
1 298mm/an
PET
1 657mm
AET
1 632mm
Mean slope
7,5°
Water table
178cm
Forest
100%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)