Ontologia

HydroBASINS lev08 watershed · #2080242850

Bassin de Alstersälven

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 : Filipstad, Forshaga, Hagfors, Karlstad

127% lakePfafstetter: 24480920

Sub-basin area

432,7km²

Upstream area

432,7km²

Discharge

4,27m³/s

Mean elev.

124m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Glumman496 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

4 dept-equivalent regions (GADM L2)

30 intersecting protected areas

21 more protected areas

  • Kaplansholmen

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    0.10 km² overlap

  • Kaplansholmen

    IUCN III

    Natura 2000 SCI

    0.10 km² overlap

  • 2002159 Kaplansholmen

    IUCN III

    Nature Reserve

    0.10 km² overlap

  • Alsterälven Gunnerud

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    0.06 km² overlap

  • Alsterälven Gunnerud

    IUCN Not Assigned

    Natura 2000 SCI

    0.06 km² overlap

  • 2043308 Nedre Prostgårdsälven

    IUCN Ia

    Nature Reserve

    0.05 km² overlap

  • SK 146-2002

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

    0.04 km² overlap

  • SK 70-1997

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

    0.04 km² overlap

  • Storområdet Örten

    IUCN Not Reported

    Special Protection Area (Birds Directive)

    0.04 km² overlap

  • Storområdet Örten

    IUCN Not Assigned

    Natura 2000 SPA

    0.04 km² overlap

  • SK 305-2008

    IUCN Ia

    Habitat Protection Area

    0.03 km² overlap

  • SK 165-1999

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

    0.02 km² overlap

  • SK 301-2008

    IUCN Ia

    Habitat Protection Area

    0.02 km² overlap

  • Potten

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    0.02 km² overlap

  • Potten

    IUCN Not Assigned

    Natura 2000 SCI

    0.02 km² overlap

  • SK 828-2006

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

    0.02 km² overlap

  • SK 13-2017

    IUCN Ia

    Habitat Protection Area

    0.02 km² overlap

  • SK 136-2000

    IUCN Ia

    Habitat Protection Area

    0.02 km² overlap

  • SK 293-2008

    IUCN Ia

    Habitat Protection Area

    0.02 km² overlap

  • SK 304-2008

    IUCN Ia

    Habitat Protection Area

    0.02 km² overlap

  • 2043289 Hösserudsåsen

    IUCN Not Assigned

    Others

    0.01 km² overlap

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

Species present

4 658 distinct species · 94 063 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

94 063 obs · 15 cellules
Obs. / cellule
≥ 20 806
14 261–20 805
7 096–14 260
3 981–7 095
< 3 981

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

Ecological tissue

Sample of 36 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 Alstersälven : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 79 interactions GloBI sur 4 types (connectance 11.2%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
79
Connectance
0.112
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°

5,3°C

Annual rain

660mm

Moisture idx (CMI)

0,12

Runoff

313mm/an

PET

581mm

AET

449mm

Mean slope

2,5°

Water table

253cm

Forest

74%

Crops

0%

Urban

0%

Protected

2%

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