Ontologia

HydroBASINS lev08 watershed · #2080579300

Bassin de Ríu Narcea

A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.

Crosses 2 administrative regions : Asturias, León

Pfafstetter: 23190802

Sub-basin area

1 862,1km²

Upstream area

1 862,3km²

Discharge

49,48m³/s

Mean elev.

873m

Administrative coverage

Hydrographic chain

Drains into

Receives from 0 basins

Source / headwater (no upstream basin)

2 dept-equivalent regions (GADM L2)

28 intersecting protected areas

19 more protected areas
  • Montovo-La Mesa

    IUCN Not Reported

    Site of Community Importance (Habitats Directive)

    53.54 km² overlap

  • Muniellos

    IUCN Ia

    Nature Reserve (Integral)

    26.08 km² overlap

  • Muniellos

    IUCN Not Reported

    Special Protection Area (Birds Directive)

    26.07 km² overlap

  • Muniellos

    IUCN Not Reported

    Site of Community Importance (Habitats Directive)

    26.07 km² overlap

  • Natural Monument

    11.68 km² overlap

  • Río Narcea

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    4.27 km² overlap

  • Alto Sil

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    3.40 km² overlap

  • Alto Sil

    IUCN Not Reported

    Special Protection Area (Birds Directive)

    3.40 km² overlap

  • Cuenca del Alto Narcea

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    3.05 km² overlap

  • Natural Park

    2.53 km² overlap

  • Natural Park

    1.26 km² overlap

  • Valle de San Emiliano

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    1.26 km² overlap

  • Valle de San Emiliano

    IUCN Not Reported

    Special Protection Area (Birds Directive)

    1.26 km² overlap

  • Río Pigüeña

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    0.51 km² overlap

  • Caldoveiro

    IUCN Not Reported

    Site of Community Importance (Habitats Directive)

    0.42 km² overlap

  • Turbera de la Molina

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    0.35 km² overlap

  • Río Nalón

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    0.12 km² overlap

  • Natural Monument

    0.00 km² overlap

  • Natural Monument

    0.00 km² overlap

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

5 607 distinct species · 108 735 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

108 735 obs · 52 cellules
Obs. / cellule
≥ 17 382
4 098–17 381
1 382–4 097
879–1 381
< 879

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Bassin de Ríu Narcea : 18 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 68 interactions GloBI sur 7 types (connectance 15.6%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
30
Interactions affichées
68
Connectance
0.156
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydroclimate (BasinATLAS lev08)

Mean T°

10,2°C

Annual rain

943mm

Moisture idx (CMI)

0,06

Runoff

753mm/an

PET

877mm

AET

654mm

Mean slope

20,0°

Water table

699cm

Forest

81%

Crops

5%

Urban

0%

Protected

37%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)