HydroBASINS lev08 watershed · #2080594860
Bassin de Río Sil
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 : León, Ourense
Sub-basin area
106,3km²
Upstream area
3 401,1km²
Discharge
65,14m³/s
Mean elev.
652m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río Selmo192 km²
- Bassin de Río Sil20 km²
2 dept-equivalent regions (GADM L2)
- 88.7 km²83.2% of basin
- 17.8 km²16.8% of basin
9 intersecting protected areas
Montes Aquilanos y Sierra de Teleno
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
43.33 km² overlap
Montes Aquilanos
IUCN Not ReportedSpecial Protection Area (Birds Directive)
42.06 km² overlap
Las Médulas
IUCN IIINatural Monument
23.97 km² overlap
Serra da Enciña da Lastra
IUCN Not AssignedNatural Park
11.67 km² overlap
Serra da Enciña da Lastra
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
9.94 km² overlap
Serra da Enciña da Lastra
IUCN Not ReportedSpecial Protection Area (Birds Directive)
9.94 km² overlap
Serra da Enciña da Lastra
IUCN Not AssignedNatura 2000
9.79 km² overlap
Sierra de la Encina de la Lastra
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.88 km² overlap
Riberas del Río Sil y afluentes
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.45 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 763 distinct species · 13 367 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 Bassin de Río Sil : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 86 interactions GloBI sur 6 types (connectance 11.0%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
11,8°C
Annual rain
753mm
Moisture idx (CMI)
-0,23
Runoff
596mm/an
PET
983mm
AET
601mm
Mean slope
13,1°
Water table
464cm
Forest
99%
Crops
2%
Urban
0%
Protected
52%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)