Ruisseau· 5 segments
Río Narcea
Crosses 1 administrative regions : Asturias
Total length
36km
Max discharge
4,1m³/s
Max Strahler
3
Segments matched
5
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- AsturiasPrincipado de Asturias · Spain37.4 kmin this dpt
7 intersecting protected areas
Natural Park
Fuentes del Narcea, Degaña e Ibias
IUCN Not ReportedSite of Community Importance (Habitats Directive)
Fuentes del Narcea y del Ibias
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Muniellos
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Muniellos
IUCN Not ReportedSite of Community Importance (Habitats Directive)
Muniellos
IUCN IaNature Reserve (Integral)
Cuenca del Alto Narcea
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1 page = 1 named river (aggregation of 5 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
662 distinct species · 2 337 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 25 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 Narcea : 14 espèces reliées par 98 interactions GloBI sur 5 types (connectance 22.5%, filtre Serrano α=0.2). 16 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
36km
Max discharge
4,1m³/s
Max Strahler
3
Segments matched
5
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.