HydroBASINS lev08 watershed · #6080176510
Bassin de 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 2 administrative regions across 2 countries : Barcelos, Río Negro
Sub-basin area
988,5km²
Upstream area
988,5km²
Discharge
33,87m³/s
Mean elev.
664m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 977.8 km²99.4% of basin
- 6.3 km²0.6% of basin
6 intersecting protected areas
Alto Orinoco - Casiquiare
IUCN VIBiosphere Reserve (RB)
979.56 km² overlap
Alto Orinoco - Casiquiare
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
979.56 km² overlap
Paríma - Tapirapeco
IUCN IINational Park (PN)
975.20 km² overlap
Natural Monument (MN)
569.03 km² overlap
Yanomami
IUCN Not ReportedIndigenous Area
3.32 km² overlap
Forest
2.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
74 distinct species · 90 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°
23,7°C
Annual rain
2 535mm
Moisture idx (CMI)
0,35
Runoff
1 109mm/an
PET
1 645mm
AET
1 600mm
Mean slope
7,1°
Water table
192cm
Forest
100%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)