HydroBASINS lev08 watershed · #6080817750
Bassin de Arroyo Riachuelito
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 : Capital, San Luis del Palmar
Sub-basin area
291km²
Upstream area
1 571,7km²
Discharge
15,11m³/s
Mean elev.
63m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Arroyo Riachuelito362 km²
- Bassin de Arroyo Riachuelito174 km²
2 dept-equivalent regions (GADM L2)
- 287.3 km²98.9% of basin
- Capital3.2 km²1.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
179 distinct species · 511 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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 Arroyo Riachuelito : 30 espèces reliées par 39 interactions GloBI sur 4 types (connectance 5.9%, 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°
21,7°C
Annual rain
1 238mm
Moisture idx (CMI)
-0,19
Runoff
270mm/an
PET
1 520mm
AET
1 048mm
Mean slope
0,1°
Water table
10cm
Forest
74%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)