Ontologia

Rivière· 74 segments

Indalsälven

Crosses 6 administrative regions : Krokom, Ragunda, Sundsvall, Timrå, Åre +1

rivière

Total length

315km

Max discharge

461,8m³/s

Max Strahler

6

Segments matched

74

River geography6 admin regions · 0 communes

Parent watershed

hybas-20801861301441 km²

6 administrative regions crossed (GADM L2)

  • Ragunda
    Jämtland · Sweden
    157.6 km
    in this dpt
  • Åre
    Jämtland · Sweden
    115.2 km
    in this dpt
  • Sundsvall
    Västernorrland · Sweden
    82.8 km
    in this dpt
  • Östersund
    Jämtland · Sweden
    49.9 km
    in this dpt
  • Krokom
    Jämtland · Sweden
    27.8 km
    in this dpt
  • Timrå
    Västernorrland · Sweden
    11.8 km
    in this dpt

30 intersecting protected areas

  • 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)

  • Ånnsjön

    IUCN Not Reported

    Special Protection Area (Birds Directive)

  • Ånnsjön

    IUCN Not Assigned

    Natura 2000 SPA

  • Ånnsjön

    IUCN Not Assigned

    Natura 2000 SCI

  • Sundsjöåsen

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • Sundsjöåsen

    IUCN Ia

    Natura 2000 SCI

21 more protected areas

1 page = 1 named river (aggregation of 74 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

306 distinct species · 3 687 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 23 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 Indalsälven : 22 espèces reliées par 27 interactions GloBI sur 2 types (connectance 10.7%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
23
Interactions affichées
27
Connectance
0.107
Patrimoniales
0
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

315km

Max discharge

461,8m³/s

Max Strahler

6

Segments matched

74

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