Special Areas of Conservation (Habitats Directive) · esp
Río Erjas
- Area
- 15 km²
- IUCN cat.
- Not Reported
- Year
- 2015
Overview
- Designation
- Special Areas of Conservation (Habitats Directive)
- Established
- 2015
- Managing authority
- See European Environment Agency Geospatial Data Catalogue for more information - https://sdi.eea.europa.eu/catalogue/srv/api/records/be2142b0-7dc4-42e3-afac-f7cc5f1a9ac6
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
178 distinct species · 1 079 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Río Erjas : 34 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 68 interactions GloBI sur 3 types (connectance 9.7%, filtre Serrano α=0.2). 4 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 · 22 rivers
Hydrology metrics for this exact territory
Stream length here
44,6km
Basins crossed
2
Max stream order
6
Max drainage
53 019km²
Discharge in basins
0,9m³/s
Mean precip.
745mm/an
Mean T°
15,0°C
Moisture idx
-0,32
Max snow
1%
Mean runoff
263mm/an
Mean elev. (basins)
439m
Watersheds crossing here
Rivers / streams (22, ord ≥ 4)
- Rio Erges - Riu das Elhasord 3len here22.26 km35%total63 km
- Río Erjasord 3len here11.10 km68%total16 km
- Arroyo del Cleroord 1len here1.80 km16%total11 km
- Arroyo de los Arraviresord 1len here1.58 km20%total8 km
- Rivera Trevejanaord 3len here1.35 km9%total16 km
- Rio Bazáguedaord 2len here1.30 km7%total18 km
- Arroyo Pesqueroord 1len here1.30 km11%total12 km
- Ribeira da Naveord 3len here1.14 km16%total7 km
- Rio Tortoord 3len here0.82 km7%total12 km
- Rio de la Vega (o del Soto)ord 2len here0.74 km49%total2 km
- Arroyo Castañoord 1len here0.42 km38%total1 km
- Ribeirão da Nave do Pleixeord 1len here0.26 km6%total4 km
10 more river segmentssorted by Strahler order + length
- Ribeira do Vale do Loboord 1len here0.20 km14%total1 km
- Ribeira das Canasord 2len here0.14 km2%total8 km
- Río Tajoord 6len here0.12 km0%total1037 km
- Arroyo de Huerta Camaord 1len here0.09 km7%total1 km
- Ribeira de S. Domingosord 1len here0.04 km3%total1 km
- Ribeiro da Godinhaord 6len here0.01 km0%total5 km
- Arroyo de Martín Albarránord 1len here≈ tangenttotal9 km
- Arroyo del Castillo de las Morerasord 1len here≈ tangenttotal1 km
- Ribeira de Aradesord 1len here≈ tangenttotal16 km
- Arroyo de Malnombreord 2len here≈ tangenttotal1 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
- 39.95345, -6.88396
- 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.