HydroBASINS lev08 watershed · #2080251860
Bassin · #2080251860
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 : Lidköping, Säffle
Sub-basin area
117,2km²
Upstream area
33 773,6km²
Discharge
343,34m³/s
Mean elev.
46m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Lidan3214 km²
- Bassin · #208025167041 km²
2 dept-equivalent regions (GADM L2)
- 69.2 km²58.8% of basin
- 48.6 km²41.2% of basin
21 intersecting protected areas
2002212 Lurö skärgård
IUCN VNature Reserve
31.03 km² overlap
Natura 2000 SPA
30.71 km² overlap
Natura 2000 SCI
30.71 km² overlap
Millesvik och Lurö skärgård
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
30.71 km² overlap
Millesvik och Lurö skärgård
IUCN Not ReportedSpecial Protection Area (Birds Directive)
30.71 km² overlap
Kållands skärgårdar
IUCN Not ReportedSpecial Protection Area (Birds Directive)
23.99 km² overlap
Kållands skärgårdar
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
23.99 km² overlap
Kållands skärgårdar
IUCN VNatura 2000 SCI
23.99 km² overlap
Kållands skärgårdar
IUCN VNatura 2000 SPA
23.99 km² overlap
12 more protected areassorted by overlap area
Nature Conservation Area
23.93 km² overlap
2025821 Björköarna/Björkholmarna
IUCN Not AssignedWildlife and Plant Sanctuary
0.68 km² overlap
2025533 Hattefurans sydostskär
IUCN Not AssignedWildlife and Plant Sanctuary
0.22 km² overlap
2025530 Svartholmens västskär
IUCN Not AssignedWildlife and Plant Sanctuary
0.15 km² overlap
2025664 Stora Gåsen
IUCN Not AssignedWildlife and Plant Sanctuary
0.10 km² overlap
2055843 Fågelskyddsområdet Stenskär
IUCN Not AssignedWildlife and Plant Sanctuary
0.08 km² overlap
2055844 Fågelskyddsområdet Västra Sikskär
IUCN Not AssignedWildlife and Plant Sanctuary
0.06 km² overlap
Nature Reserve
0.06 km² overlap
2025497 Svarten
IUCN Not AssignedWildlife and Plant Sanctuary
0.06 km² overlap
2055842 Fågelskyddsområdet Dalboskär
IUCN Not AssignedWildlife and Plant Sanctuary
0.05 km² overlap
2025677 Fördärvelseskäret
IUCN Not AssignedWildlife and Plant Sanctuary
0.05 km² overlap
2025545 Navens nordskär
IUCN Not AssignedWildlife and Plant Sanctuary
0.03 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
861 distinct species · 7 388 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 19 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 · #2080251860 : 11 espèces reliées par 64 interactions GloBI sur 4 types (connectance 23.2%, 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).
Hydroclimate (BasinATLAS lev08)
Mean T°
6,2°C
Annual rain
636mm
Moisture idx (CMI)
0,07
Runoff
278mm/an
PET
589mm
AET
448mm
Mean slope
0,3°
Water table
13cm
Forest
12%
Crops
6%
Urban
0%
Protected
47%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)