Rivière· 7 segments
Onsella
Crosses 2 administrative regions : Navarra, Zaragoza
Total length
51km
Max discharge
111,1m³/s
Max Strahler
5
Segments matched
7
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
4 intersecting protected areas
Sierras de Santo Domingo y Caballera y río Onsella
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Sierra de Santo Domingo
IUCN VProtected Landscape
Tramo medio del río Aragón
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Río Onsella
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1 page = 1 named river (aggregation of 7 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
319 distinct species · 1 263 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 Onsella : 27 espèces reliées par 88 interactions GloBI sur 6 types (connectance 12.5%, filtre Serrano α=0.2). 11 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
51km
Max discharge
111,1m³/s
Max Strahler
5
Segments matched
7
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.