Rivière· 13 segments
Río Lozoya
Crosses 2 administrative regions : Guadalajara, Madrid
Total length
81km
Max discharge
4,4m³/s
Max Strahler
4
Segments matched
13
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- MadridComunidad de Madrid · Spain39.4 kmin this dpt
- GuadalajaraCastilla-La Mancha · Spain3.5 kmin this dpt
7 intersecting protected areas
Sierra Norte de Guadalajara
IUCN VINatural Park
Sierra de Ayllón
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Sierra de Ayllón
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Cuenca del río Lozoya y Sierra Norte
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Cuencas de los ríos Jarama y Henares
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Sierra de Guadarrama
IUCN IINacional Park
Alto Lozoya
IUCN Not ReportedSpecial Protection Area (Birds Directive)
1 page = 1 named river (aggregation of 13 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 389 distinct species · 8 706 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 Río Lozoya : 21 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 93 interactions GloBI sur 5 types (connectance 14.8%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
81km
Max discharge
4,4m³/s
Max Strahler
4
Segments matched
13
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.