Ontologia

Ruisseau· 4 segments

Kälkån

Crosses 1 administrative regions : Älvdalen

ruisseau

Total length

4km

Max discharge

0,8m³/s

Max Strahler

2

Segments matched

4

River geography1 admin regions · 0 communes

Parent watershed

hybas-2080214790181 km²

1 administrative regions crossed (GADM L2)

26 intersecting protected areas

17 more protected areas

  • Gummas

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • Gummas

    IUCN Ia

    Natura 2000 SCI

  • 2002481 Gummas

    IUCN Ia

    Nature Reserve

  • A286283

    IUCN Not Applicable

    Voluntary set-aside areas

  • A595192

    IUCN Not Applicable

    Voluntary set-aside areas

  • Skogsbo

    IUCN Not Assigned

    Natura 2000 SCI

  • Skogsbo

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • A561783

    IUCN Not Applicable

    Voluntary set-aside areas

  • A381052

    IUCN Not Applicable

    Voluntary set-aside areas

  • A007800

    IUCN Not Applicable

    Voluntary set-aside areas

  • A601044

    IUCN Not Applicable

    Voluntary set-aside areas

  • A356991

    IUCN Not Applicable

    Voluntary set-aside areas

  • A001655

    IUCN Not Applicable

    Voluntary set-aside areas

  • SK 998-2003

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

  • SK 576-2008

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

  • SK 577-2008

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

  • SK 579-2008

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

1 page = 1 named river (aggregation of 4 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

267 distinct species · 425 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 48 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 Kälkån : 42 espèces reliées par 61 interactions GloBI sur 6 types (connectance 5.4%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
48
Interactions affichées
61
Connectance
0.054
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

4km

Max discharge

0,8m³/s

Max Strahler

2

Segments matched

4

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