HydroBASINS lev08 watershed · #6080169670
Bassin de Caño Grande
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 3 administrative regions : Calamar, El Retorno, San José del Guaviare
Sub-basin area
2 137,9km²
Upstream area
2 137,9km²
Discharge
106,16m³/s
Mean elev.
214m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 1839.5 km²86.4% of basin
- 208.8 km²9.8% of basin
- 80.1 km²3.8% of basin
9 intersecting protected areas
Área de Manejo Especial La Macarena – en jurisdicción de la CDA
IUCN Not ApplicableSpecial Management Area
1341.74 km² overlap
National Protective Forest Reserves
30.37 km² overlap
National Protective Forest Reserves
18.83 km² overlap
Bella Luz
IUCN VICivil Society Nature Reserve
0.96 km² overlap
Terrapreta
IUCN VICivil Society Nature Reserve
0.64 km² overlap
La Cabaña
IUCN VICivil Society Nature Reserve
0.55 km² overlap
La Hermosa
IUCN VICivil Society Nature Reserve
0.52 km² overlap
Santa Inés
IUCN VICivil Society Nature Reserve
0.38 km² overlap
El Morichal
IUCN VICivil Society Nature Reserve
0.26 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 502 distinct species · 16 290 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 18 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 Caño Grande : 13 espèces reliées par 19 interactions GloBI sur 2 types (connectance 11.1%, filtre Serrano α=0.2). 6 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°
27,6°C
Annual rain
2 484mm
Moisture idx (CMI)
0,31
Runoff
1 565mm/an
PET
1 704mm
AET
1 473mm
Mean slope
1,5°
Water table
40cm
Forest
58%
Crops
16%
Urban
0%
Protected
3%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)