Biosphere Reserve · esp
Urdaibai
- Area
- 221 km²
- IUCN cat.
- IV
- Year
- 1989
Overview
- Designation
- Biosphere Reserve
- IUCN category
- IV · Aire d'habitats / espèces
Gestion active pour maintenir habitats / espèces particuliers
- Established
- 1989
- Managing authority
- Ministerio de Agricultura y Pesca, Alimentación y Medio Ambiente
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
2 430 distinct species · 289 924 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 Urdaibai : 23 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 56 interactions GloBI sur 3 types (connectance 12.9%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology2 basins · 0 lakes · 14 rivers
Hydrology metrics for this exact territory
Stream length here
52,3km
Basins crossed
2
Max stream order
3
Max drainage
1 791km²
Discharge in basins
0,3m³/s
Mean precip.
1 240mm/an
Mean T°
13,5°C
Moisture idx
0,36
Max snow
10%
Mean runoff
818mm/an
Mean elev. (basins)
185m
Watersheds crossing here
Rivers / streams (14, ord ≥ 4)
- Oka ibaiaord 3len here13.52 km100%total14 km
- Golaord 2len here8.39 km100%total8 km
- Omaerrekaord 1len here6.08 km100%total6 km
- Artikerrekaord 1len here3.26 km98%total3 km
- Mundakako Itsasadarraord 3len here3.22 km100%total3 km
- Mapeko errekaord 2len here2.73 km100%total3 km
- Baldatikaerrekaord 3len here2.68 km100%total3 km
- Zilonizbeaskoaord 1len here2.43 km100%total2 km
- Mapeord 1len here2.09 km100%total2 km
- Oxinbaltzagaord 1len here2.01 km100%total2 km
- Otsandategiko errekeaord 1len here1.73 km100%total2 km
- Laga errekaord 1len here1.43 km100%total1 km
2 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Location
Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)
- Centroid
- 43.34047, -2.66089
- Open in maps
- OpenStreetMap → · Satellite →
Species observed (Phase 2)
Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.