Ruisseau· 39 segments
Ega
Crosses 3 administrative regions : Burgos, Navarra, Álava
Total length
151km
Max discharge
22m³/s
Max Strahler
3
Segments matched
39
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
12 intersecting protected areas
Yesos de la Ribera Estellesa
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Arabako hegoaldeko mendilerroak / Sierras meridionales de Álava
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Arabako hegoaldeko mendilerroak / Sierras meridionales de Álava
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Sierra de Lokiz
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Entzia
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Izki
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Izki
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Izki
IUCN VNatural Park
Sierra de Codés
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
3 more protected areassorted by area
Ríos Ega-Urederra
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Ega-Berron ibaia / Río Ega-Berron
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Barranco de Lasia
IUCN IVNature Reserve
1 page = 1 named river (aggregation of 39 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
195 distinct species · 549 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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 Ega : 32 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 95 interactions GloBI sur 5 types (connectance 10.5%, 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
151km
Max discharge
22,0m³/s
Max Strahler
3
Segments matched
39
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.