Ontologia

Ruisseau

Arraia erreka

Crosses 2 administrative regions : Burgos, Álava

ruisseau

Total length

1km

Max discharge

0,6m³/s

Max Strahler

1

Segments matched

1

River geography2 admin regions · 0 communes

Parent watershed

hybas-20805911801380 km²

2 administrative regions crossed (GADM L2)

  • Álava
    País Vasco · Spain
    6.7 km
    in this dpt
  • Burgos
    Castilla y León · Spain
    0.0 km
    in this dpt

5 intersecting protected areas

  • Izki

    IUCN Not Reported

    Special Protection Area (Birds Directive)

  • Izki

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • Izki

    IUCN V

    Natural Park

  • Riberas del Ayuda

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • Ihuda ibaia / Río Ihuda (Ayuda)

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.

Species present

1 012 distinct species · 3 904 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Arraia erreka : 19 espèces reliées par 118 interactions GloBI sur 6 types (connectance 17.7%, filtre Serrano α=0.2). 18 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
118
Connectance
0.177
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)

Total length

1km

Max discharge

0,6m³/s

Max Strahler

1

Segments matched

1

HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.