HydroBASINS lev08 watershed · #2080637110
Bassin de Río Alberche
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 : Madrid
Sub-basin area
115km²
Upstream area
2 033,3km²
Discharge
10,36m³/s
Mean elev.
702m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río Cofio620 km²
- Bassin de Río Alberche250 km²
1 dept-equivalent regions (GADM L2)
- 115.1 km²100.0% of basin
2 intersecting protected areas
Cuencas de los ríos Alberche y Cofio
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
112.31 km² overlap
Encinares del río Alberche y río Cofio
IUCN Not ReportedSpecial Protection Area (Birds Directive)
112.31 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 512 distinct species · 42 402 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 Alberche : 25 espèces reliées par 77 interactions GloBI sur 4 types (connectance 13.7%, 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°
13,4°C
Annual rain
391mm
Moisture idx (CMI)
-0,64
Runoff
97mm/an
PET
1 095mm
AET
337mm
Mean slope
8,1°
Water table
765cm
Forest
38%
Crops
8%
Urban
3%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)