Ruisseau· 2 segments
Ühaïtxa erreka
Crosses 2 administrative regions : Navarra, Pyrénées-Atlantiques
Total length
3km
Max discharge
0,3m³/s
Max Strahler
1
Segments matched
2
River geography2 admin regions · 2 communes
2 administrative regions crossed (GADM L2)
- Pyrénées-AtlantiquesNouvelle-Aquitaine · France6.2 kmin this dpt
- NavarraComunidad Foral de Navarra · Spain0.0 kmin this dpt
2 communes (L5)For countries with L5
- Sainte-Engrâce4.58 km
- Arette1.63 km
7 intersecting protected areas
Haute Soule : massif de la Pierre Saint-Martin
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Montagnes du Barétous
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Montagnes de la Haute Soule
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Larra-Aztaparreta
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Larra-Aztaparreta
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Larra
IUCN IVNature Reserve
Le Saison (cours d'eau)
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 262 distinct species · 18 609 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 28 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 Ühaïtxa erreka : 17 espèces reliées par 64 interactions GloBI sur 6 types (connectance 16.9%, 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
3km
Max discharge
0,3m³/s
Max Strahler
1
Segments matched
2
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.