Ontologia

Rivière· 11 segments

Sikån

Crosses 3 administrative regions : Arvidsjaur, Jokkmokk, Älvsbyn

rivière

Total length

122km

Max discharge

20,1m³/s

Max Strahler

4

Segments matched

11

River geography3 admin regions · 0 communes

Parent watershed

hybas-20801502701839 km²

3 administrative regions crossed (GADM L2)

  • Jokkmokk
    Norrbotten · Sweden
    72.0 km
    in this dpt
  • Älvsbyn
    Norrbotten · Sweden
    5.2 km
    in this dpt
  • Arvidsjaur
    Norrbotten · Sweden
    0.0 km
    in this dpt

21 intersecting protected areas

12 more protected areas

  • 2014587 Globerget

    IUCN Ia

    Nature Reserve

  • 2059946 Biellovárre

    IUCN Ia

    Nature Reserve

  • A209415

    IUCN Not Applicable

    Voluntary set-aside areas

  • A595570

    IUCN Not Applicable

    Voluntary set-aside areas

  • A554345

    IUCN Not Applicable

    Voluntary set-aside areas

  • A479497

    IUCN Not Applicable

    Voluntary set-aside areas

  • A494326

    IUCN Not Applicable

    Voluntary set-aside areas

  • A554454

    IUCN Not Applicable

    Voluntary set-aside areas

  • A464117

    IUCN Not Applicable

    Voluntary set-aside areas

  • A465453

    IUCN Not Applicable

    Voluntary set-aside areas

  • A464624

    IUCN Not Applicable

    Voluntary set-aside areas

  • A464862

    IUCN Not Applicable

    Voluntary set-aside areas

1 page = 1 named river (aggregation of 11 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

132 distinct species · 645 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 37 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 Sikån : 31 espèces dont 4 patrimoniales (LR IUCN CR/EN/VU) reliées par 40 interactions GloBI sur 5 types (connectance 5.7%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
40
Connectance
0.057
Patrimoniales
4
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

122km

Max discharge

20,1m³/s

Max Strahler

4

Segments matched

11

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