HydroBASINS lev08 watershed · #6080170080
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 1 administrative regions : Río Negro
Sub-basin area
474,6km²
Upstream area
17 792,3km²
Discharge
913,38m³/s
Mean elev.
107m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río Siapa219 km²
- Bassin de Río Siapa50 km²
3 intersecting protected areas
Alto Orinoco - Casiquiare
IUCN VIBiosphere Reserve (RB)
472.45 km² overlap
Alto Orinoco - Casiquiare
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
472.45 km² overlap
Serranía La Neblina
IUCN IINational Park (PN)
56.82 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
193 distinct species · 236 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Río Siapa : 29 espèces reliées par 33 interactions GloBI sur 4 types (connectance 5.2%, filtre Serrano α=0.2). 7 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°
26,7°C
Annual rain
3 103mm
Moisture idx (CMI)
0,40
Runoff
2 365mm/an
PET
1 857mm
AET
1 829mm
Mean slope
0,7°
Water table
17cm
Forest
100%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)