HydroBASINS lev08 watershed · #2080636920
Bassin de Río Manzanares
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
1 245,3km²
Upstream area
1 245,4km²
Discharge
5,7m³/s
Mean elev.
814m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
1 dept-equivalent regions (GADM L2)
- 1246.8 km²100.0% of basin
9 intersecting protected areas
Cuenca del río Manzanares
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
517.05 km² overlap
Regional Park
290.94 km² overlap
Monte de El Pardo
IUCN Not ReportedSpecial Protection Area (Birds Directive)
153.09 km² overlap
Sierra de Guadarrama
IUCN IINacional Park
89.44 km² overlap
Vegas, cuestas y páramos del sureste de Madrid
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
65.45 km² overlap
Cortados y cantiles de los ríos Jarama y Manzanares
IUCN Not ReportedSpecial Protection Area (Birds Directive)
64.23 km² overlap
Regional Park
61.39 km² overlap
Cuenca del río Lozoya y Sierra Norte
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
6.56 km² overlap
Cuenca del río Guadarrama
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.28 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
12 139 distinct species · 1 721 082 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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 Manzanares : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 80 interactions GloBI sur 4 types (connectance 12.0%, 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°
12,8°C
Annual rain
465mm
Moisture idx (CMI)
-0,55
Runoff
138mm/an
PET
1 057mm
AET
397mm
Mean slope
4,3°
Water table
411cm
Forest
18%
Crops
14%
Urban
51%
Protected
36%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)