HydroBASINS lev08 watershed · #2080651400
Bassin de Río San Martín
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 1 administrative regions : Cuenca
Sub-basin area
197,8km²
Upstream area
2 473,2km²
Discharge
7,21m³/s
Mean elev.
945m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Guadazaón1019 km²
- Bassin de Río Cabriel446 km²
1 dept-equivalent regions (GADM L2)
- 198.0 km²100.0% of basin
3 intersecting protected areas
Hoces del Cabriel, Guadazaón y ojos de Moya
IUCN Not ReportedSpecial Protection Area (Birds Directive)
24.92 km² overlap
Hoces del Cabriel, Guadazaón y ojos de Moya
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
24.92 km² overlap
Chorreras del Cabriel
IUCN IIINatural Monument
1.23 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
849 distinct species · 6 332 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 San Martín : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 52 interactions GloBI sur 4 types (connectance 9.3%, filtre Serrano α=0.2). 9 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°
12,1°C
Annual rain
470mm
Moisture idx (CMI)
-0,56
Runoff
62mm/an
PET
1 069mm
AET
403mm
Mean slope
8,0°
Water table
678cm
Forest
38%
Crops
14%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)