Ontologia

Rivière· 8 segments

Tärnaån

Crosses 2 administrative regions : Sorsele, Storuman

rivière

Total length

23km

Max discharge

30,3m³/s

Max Strahler

4

Segments matched

8

River geography2 admin regions · 0 communes

Parent watershed

hybas-20801518301089 km²

2 administrative regions crossed (GADM L2)

  • Storuman
    Västerbotten · Sweden
    8.8 km
    in this dpt
  • Sorsele
    Västerbotten · Sweden
    7.6 km
    in this dpt

16 intersecting protected areas

7 more protected areas

  • 1073656764

    IUCN Not Applicable

    Voluntary set-aside areas

  • 1073656763

    IUCN Not Applicable

    Voluntary set-aside areas

  • 1073656762

    IUCN Not Applicable

    Voluntary set-aside areas

  • 1073656768

    IUCN Not Applicable

    Voluntary set-aside areas

  • 1073656804

    IUCN Not Applicable

    Voluntary set-aside areas

  • 1073656802

    IUCN Not Applicable

    Voluntary set-aside areas

  • 1073656775

    IUCN Not Applicable

    Voluntary set-aside areas

1 page = 1 named river (aggregation of 8 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

51 distinct species · 72 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 14 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 Tärnaån : 14 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 9 interactions GloBI sur 3 types (connectance 9.9%, filtre Serrano α=0.2).

Espèces affichées
14
Interactions affichées
9
Connectance
0.099
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

23km

Max discharge

30,3m³/s

Max Strahler

4

Segments matched

8

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