Ontologia

HydroBASINS lev08 watershed · #2080209040

Bassin de Österdalälven

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 1 administrative regions : Älvdalen

32% lakePfafstetter: 24460091

Sub-basin area

738,2km²

Upstream area

2 894,9km²

Discharge

36,43m³/s

Mean elev.

562m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

1 dept-equivalent regions (GADM L2)

30 intersecting protected areas

21 more protected areas
  • Storån-Österdalälven

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    5.45 km² overlap

  • Storån-Österdalälven

    IUCN Not Assigned

    Natura 2000 SCI

    5.45 km² overlap

  • Nature conservation agreement

    2.90 km² overlap

  • Nature conservation agreement

    2.83 km² overlap

  • Nature Reserve

    1.91 km² overlap

  • Natura 2000 SCI

    1.60 km² overlap

  • Sundbäcken

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    1.60 km² overlap

  • Nature Reserve

    1.60 km² overlap

  • Natura 2000 SCI

    1.58 km² overlap

  • Eksjöberget

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    1.58 km² overlap

  • Natura 2000 SCI

    1.08 km² overlap

  • Myrar vid Ögan

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    1.08 km² overlap

  • Nature Reserve

    1.07 km² overlap

  • Nature conservation agreement, Swedish Forest Agency

    0.93 km² overlap

  • Natura 2000 SCI

    0.90 km² overlap

  • Byggningaån

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    0.90 km² overlap

  • Nature Reserve

    0.90 km² overlap

  • n/a.

    IUCN IV

    Nature conservation agreement, County Administrative Board

    0.67 km² overlap

  • Nature Reserve

    0.62 km² overlap

  • A122193

    IUCN Not Applicable

    Voluntary set-aside areas

    0.61 km² overlap

  • A127157

    IUCN Not Applicable

    Voluntary set-aside areas

    0.60 km² overlap

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

Species present

3 357 distinct species · 98 630 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

98 630 obs · 33 cellules
Obs. / cellule
≥ 15 214
5 163–15 213
3 591–5 162
2 329–3 590
< 2 329

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

Ecological tissue

Sample of 33 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 Österdalälven : 24 espèces reliées par 75 interactions GloBI sur 6 types (connectance 12.6%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
75
Connectance
0.126
Patrimoniales
0
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°

1,6°C

Annual rain

641mm

Moisture idx (CMI)

0,24

Runoff

386mm/an

PET

488mm

AET

415mm

Mean slope

3,6°

Water table

230cm

Forest

84%

Crops

0%

Urban

0%

Protected

8%

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