Ontologia

Rivière· 6 segments

Handölan

Crosses 2 administrative regions : Berg, Åre

rivière

Total length

52km

Max discharge

11,5m³/s

Max Strahler

4

Segments matched

6

River geography2 admin regions · 0 communes

Parent watershed

hybas-2080184640455 km²

2 administrative regions crossed (GADM L2)

  • Åre
    Jämtland · Sweden
    33.6 km
    in this dpt
  • Berg
    Jämtland · Sweden
    0.5 km
    in this dpt

13 intersecting protected areas

  • Vålådalen

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • Vålådalen

    IUCN Not Reported

    Special Protection Area (Birds Directive)

  • Vålådalen

    IUCN Ib

    Natura 2000 SCI

  • Vålådalen

    IUCN Ib

    Natura 2000 SPA

  • 2000893 Vålådalen

    IUCN Ib

    Nature Reserve

  • Åreälven

    IUCN Not Assigned

    Natura 2000 SCI

  • Åreälven

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • Ånnsjön

    IUCN Ib

    Wetland of International Importance (Ramsar Site)

  • Ånnsjön

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

4 more protected areas

1 page = 1 named river (aggregation of 6 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

57 distinct species · 119 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 28 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 Handölan : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 28 interactions GloBI sur 3 types (connectance 7.4%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
28
Interactions affichées
28
Connectance
0.074
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)

Total length

52km

Max discharge

11,5m³/s

Max Strahler

4

Segments matched

6

HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.