Rivière
Arroyo la Lastra
Crosses 2 administrative regions : Guadalajara, Madrid
Total length
3km
Max discharge
4,5m³/s
Max Strahler
4
Segments matched
1
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- GuadalajaraCastilla-La Mancha · Spain1.8 kmin this dpt
- MadridComunidad de Madrid · Spain0.8 kmin this dpt
5 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)
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
1 089 distinct species · 9 727 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 Arroyo la Lastra : 17 espèces reliées par 82 interactions GloBI sur 5 types (connectance 18.9%, filtre Serrano α=0.2). 13 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
3km
Max discharge
4,5m³/s
Max Strahler
4
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.