HydroBASINS lev08 watershed · #7080886100
Bassin de Río Santa María
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 : Aguadulce, Calobre, Natá, San Francisco, Santiago
Sub-basin area
925,5km²
Upstream area
2 203,2km²
Discharge
65,23m³/s
Mean elev.
162m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río Santa María785 km²
- Bassin de Río Gatú493 km²
5 dept-equivalent regions (GADM L2)
- 588.6 km²63.9% of basin
- 164.5 km²17.9% of basin
- 155.0 km²16.8% of basin
- 13.0 km²1.4% of basin
- 0.3 km²0.0% of basin
2 intersecting protected areas
La Yeguada
IUCN VIForest Reserve
25.71 km² overlap
Los Pozos de Calobre
IUCN IIINatural Monument
4.23 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
792 distinct species · 2 999 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Santa María : 26 espèces reliées par 40 interactions GloBI sur 5 types (connectance 7.1%, 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°
26,2°C
Annual rain
2 522mm
Moisture idx (CMI)
0,31
Runoff
902mm/an
PET
1 697mm
AET
1 270mm
Mean slope
4,2°
Water table
156cm
Forest
6%
Crops
25%
Urban
1%
Protected
3%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)