Natura 2000 · ESP
Sierras de Demanda, Urbión, Cebollera y Cameros
- Area
- 1 502 km²
- IUCN cat.
- V
- Year
- 2003
Overview
- Designation
- Natura 2000
- IUCN category
- V · Paysage protégé
Paysage façonné par l'humain digne de conservation
- Established
- 2003
- Managing authority
- Xunta de Galicia
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
4 197 distinct species · 58 578 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 Sierras de Demanda, Urbión, Cebollera y Cameros : 18 espèces reliées par 92 interactions GloBI sur 6 types (connectance 19.8%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology9 basins · 2 lakes · 48 rivers
Hydrology metrics for this exact territory
Stream length here
247,8km
Lake surface here
3,23km²
Basins crossed
9
Max stream order
3
Max drainage
10 463km²
Discharge in basins
22,5m³/s
Mean precip.
681mm/an
Mean T°
9,6°C
Moisture idx
-0,26
Max snow
12%
Mean runoff
366mm/an
Mean elev. (basins)
1 091m
Watersheds crossing here
- Bassin de Río Najerillasub-area1 108,6 km²overlap685.61 km²46%
- Bassin de Río Ireguasub-area639,1 km²overlap403.77 km²27%
- Bassin de Río Oja o Glerasub-area1 301,8 km²overlap266.13 km²18%
- Bassin de Río Juberasub-area531,7 km²overlap100.98 km²7%
- Bassin de Río Pedrososub-area302 km²overlap19.12 km²1%
- Bassin de Ebro ibaiasub-area478 km²overlap14.17 km²1%
- Bassin de Río Cidacossub-area678,5 km²overlap9.53 km²1%
- Bassin de Río Terasub-area379,7 km²overlap2.40 km²0%
- Bassin de Río Duerosub-area779,7 km²overlap0.30 km²0%
Lakes (2, top by area)
Rivers / streams (48, ord ≥ 4)
- Río Najerillaord 3len here27.43 km42%total65 km
- Río Ireguaord 3len here20.54 km76%total27 km
- Río Oja o Gleraord 3len here13.75 km26%total53 km
- Río Portillaord 2len here13.45 km100%total13 km
- Río Urbiónord 2len here11.32 km100%total11 km
- Río Ventrosaord 2len here10.09 km100%total10 km
- La Carrascosaord 1len here9.13 km91%total10 km
- Arroyo de Río Secoord 3len here8.43 km94%total9 km
- Río Lumbrerasord 2len here8.14 km100%total8 km
- Río Cárdenasord 2len here7.67 km34%total23 km
- Barranco de las manzorrillasord 1len here7.62 km100%total8 km
- Arroyo Valleord 2len here6.92 km100%total7 km
36 more river segmentssorted by Strahler order + length
- Río Gatónord 1len here6.50 km100%total7 km
- Barranco del Chorroord 3len here6.45 km100%total6 km
- Río Vargasord 1len here6.38 km58%total11 km
- Río Brievaord 2len here6.35 km100%total6 km
- Barranco Varniaord 1len here5.58 km100%total6 km
- Río Neilaord 2len here5.39 km49%total11 km
- Arroyo de la Polvorosaord 1len here5.36 km100%total5 km
- Río de Piquerasord 1len here5.01 km100%total5 km
- Arroyo Beneguerraord 1len here4.66 km100%total5 km
- Arroyo de Montemayorord 1len here4.30 km56%total8 km
- Río Roñasord 1len here3.16 km100%total3 km
- Río de la Trinidadord 1len here3.04 km66%total5 km
- Río Mayorord 2len here3.01 km75%total4 km
- Río Altuzarraord 1len here2.93 km100%total3 km
- Arroyo Fríoord 1len here2.77 km100%total3 km
- Canal Margen Izquierda Najerillaord 3len here2.74 km21%total13 km
- Arroyo de Puente Raord 1len here2.66 km100%total3 km
- Arroyo De La Dehesaord 1len here2.51 km40%total6 km
- Arroyo de San Mamedord 1len here2.51 km34%total7 km
- Arroyo De Las Cenáticasord 1len here2.24 km100%total2 km
- Barranco del Trampalord 1len here2.12 km35%total6 km
- Las Ramerasord 1len here1.90 km100%total2 km
- Arroyo Pedrosoord 1len here1.79 km26%total7 km
- Arroyo de Tómalosord 3len here1.68 km20%total8 km
- Arroyo de Gilbarrenaord 2len here1.63 km39%total4 km
- Arroyo del Regatilloord 1len here1.55 km100%total2 km
- Río Solbesord 3len here1.44 km28%total5 km
- Río Berrincheord 1len here1.21 km100%total1 km
- Río Tobíaord 3len here1.14 km18%total6 km
- Arroyo Turzaord 1len here1.13 km95%total1 km
- Arroyo Canto Grandeord 3len here1.05 km39%total3 km
- Arroyo San Pedroord 3len here0.94 km14%total7 km
- Arroyo de la Fuentecillaord 1len here0.87 km101%total1 km
- Barranco del Cuervoord 1len here0.69 km101%total1 km
- Río Yaldeord 2len here0.59 km3%total20 km
- Arroyo Urrillaord 1len here≈ tangenttotal2 km
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
- 42.20618, -2.91011
- 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.