HydroBASINS lev08 watershed · #6080000500
Bassin de Arroyo Chinulito
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 4 administrative regions : Chalán, Colosó, Toluviejo, Tolú
Sub-basin area
274,5km²
Upstream area
274,6km²
Discharge
3,6m³/s
Mean elev.
68m
Administrative coverage
4 dept-equivalent regions (GADM L2)
- 140.1 km²51.2% of basin
- 96.7 km²35.4% of basin
- 36.3 km²13.3% of basin
- 0.2 km²0.1% of basin
6 intersecting protected areas
National Protective Forest Reserves
22.27 km² overlap
Regional Natural Parks
7.11 km² overlap
El Rosario
IUCN VICivil Society Nature Reserve
4.60 km² overlap
Los Charcos
IUCN VICivil Society Nature Reserve
2.48 km² overlap
El Socorro
IUCN VICivil Society Nature Reserve
1.04 km² overlap
Roca Madre
IUCN VICivil Society Nature Reserve
0.40 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 195 distinct species · 18 910 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Chinulito : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 43 interactions GloBI sur 5 types (connectance 5.8%, filtre Serrano α=0.2). 10 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°
27,3°C
Annual rain
1 273mm
Moisture idx (CMI)
-0,26
Runoff
391mm/an
PET
1 726mm
AET
1 074mm
Mean slope
2,7°
Water table
122cm
Forest
27%
Crops
6%
Urban
1%
Protected
10%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)