HydroBASINS lev08 watershed · #6080188520
Bassin de Río Santiago
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 : Eloy Alfaro, San Lorenzo
Sub-basin area
446km²
Upstream area
1 876,6km²
Discharge
94,42m³/s
Mean elev.
160m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río Negro345 km²
- Bassin de Río Santiago220 km²
2 dept-equivalent regions (GADM L2)
- San LorenzoEsmeraldas · Ecuador328.9 km²74.1% of basin
- Eloy AlfaroEsmeraldas · Ecuador115.1 km²25.9% of basin
1 intersecting protected areas
Cotacachi Cayapas
IUCN IINational Park
1.88 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
906 distinct species · 28 350 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 9 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 Santiago : 9 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 8 interactions GloBI sur 2 types (connectance 22.2%, 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°
25,2°C
Annual rain
2 753mm
Moisture idx (CMI)
0,43
Runoff
1 609mm/an
PET
1 562mm
AET
1 556mm
Mean slope
5,0°
Water table
185cm
Forest
76%
Crops
3%
Urban
0%
Protected
24%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)