HydroBASINS lev08 watershed · #2080179340
Bassin de Ångermanälven
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 4 administrative regions : Dorotea, Sollefteå, Åsele, Örnsköldsvik
Sub-basin area
1 236,5km²
Upstream area
10 958,2km²
Discharge
171,78m³/s
Mean elev.
341m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Stamsjöån500 km²
- Bassin de Ångermanälven10 km²
4 dept-equivalent regions (GADM L2)
- 573.1 km²46.1% of basin
- 444.8 km²35.7% of basin
- 204.1 km²16.4% of basin
- 22.4 km²1.8% of basin
30 intersecting protected areas
Stenbithöjden
IUCN IbNatura 2000 SPA
14.34 km² overlap
2001891 Stenbithöjden
IUCN IbNature Reserve
14.34 km² overlap
Stenbithöjden
IUCN IbNatura 2000 SCI
14.34 km² overlap
Stenbithöjden
IUCN Not ReportedSpecial Protection Area (Birds Directive)
14.34 km² overlap
Stenbithöjden
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
14.34 km² overlap
Mossaträsk-Stormyran
IUCN IbWetland of International Importance (Ramsar Site)
9.14 km² overlap
2000667 Mossaträsk-Stormyran
IUCN IaNature Reserve
9.01 km² overlap
Mossaträsk
IUCN IaNatura 2000 SPA
9.01 km² overlap
Mossaträsk
IUCN Not ReportedSpecial Protection Area (Birds Directive)
9.01 km² overlap
21 more protected areassorted by overlap area
Mossaträsk
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
9.01 km² overlap
Mossaträsk
IUCN IaNatura 2000 SCI
9.01 km² overlap
Nature Reserve
7.59 km² overlap
2031909 Tvärmyrkullen
IUCN IaNature Reserve
1.88 km² overlap
2062362 Kultran
IUCN IaNature Reserve
1.76 km² overlap
2014878 Björnbergtjärnen
IUCN IaNature Reserve
1.09 km² overlap
2014871 Sör-Lomsjöberget
IUCN IaNature Reserve
1.02 km² overlap
2014875 Skallvattenberget
IUCN IaNature Reserve
0.99 km² overlap
Nature Reserve
0.78 km² overlap
2060202 Skeltberget
IUCN IaNature Reserve
0.77 km² overlap
2001667 Kojmyran
IUCN IaNature Reserve
0.71 km² overlap
2052561 Böxlörvmyrskogen
IUCN IaNature Reserve
0.57 km² overlap
2046213 Grankullen
IUCN IaNature Reserve
0.54 km² overlap
2029590 Långmon
IUCN IaNature Reserve
0.47 km² overlap
Kojmyran
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.26 km² overlap
Kojmyran
IUCN IaNatura 2000 SCI
0.26 km² overlap
A377327
IUCN Not ApplicableVoluntary set-aside areas
0.23 km² overlap
A595372
IUCN Not ApplicableVoluntary set-aside areas
0.22 km² overlap
A235114
IUCN Not ApplicableVoluntary set-aside areas
0.20 km² overlap
A271362
IUCN Not ApplicableVoluntary set-aside areas
0.20 km² overlap
A271425
IUCN Not ApplicableVoluntary set-aside areas
0.14 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 773 distinct species · 60 246 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 26 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 Ångermanälven : 22 espèces reliées par 32 interactions GloBI sur 4 types (connectance 9.8%, 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).
Hydroclimate (BasinATLAS lev08)
Mean T°
1,1°C
Annual rain
585mm
Moisture idx (CMI)
0,16
Runoff
415mm/an
PET
490mm
AET
391mm
Mean slope
4,3°
Water table
212cm
Forest
95%
Crops
0%
Urban
0%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)