HydroBASINS lev08 watershed · #6080285080
Bassin de Rio Casacay
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 5 administrative regions : Chilla, Pasaje, Pucará, Santa Isabel, Zaruma
Sub-basin area
838,3km²
Upstream area
4 175,9km²
Discharge
41,1m³/s
Mean elev.
1 418m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río Jubones605 km²
- Bassin de Río San Francisco354 km²
5 dept-equivalent regions (GADM L2)
- 260.0 km²31.2% of basin
- 236.3 km²28.3% of basin
- 210.2 km²25.2% of basin
- 128.0 km²15.3% of basin
- 0.0 km²0.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 236 distinct species · 7 821 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 27 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 Rio Casacay : 21 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 31 interactions GloBI sur 4 types (connectance 7.6%, filtre Serrano α=0.2). 8 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°
19,7°C
Annual rain
926mm
Moisture idx (CMI)
-0,36
Runoff
382mm/an
PET
1 474mm
AET
774mm
Mean slope
18,4°
Water table
644cm
Forest
9%
Crops
10%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)