Ontologia

Ruisseau· 16 segments

Hällingsån

Crosses 2 administrative regions : Krokom, Strömsund

ruisseau

Total length

38km

Max discharge

8,1m³/s

Max Strahler

3

Segments matched

16

River geography2 admin regions · 0 communes

Parent watershed

hybas-20801702001725 km²

2 administrative regions crossed (GADM L2)

  • Strömsund
    Jämtland · Sweden
    41.6 km
    in this dpt
  • Krokom
    Jämtland · Sweden
    6.6 km
    in this dpt

6 intersecting protected areas

1 page = 1 named river (aggregation of 16 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

27 distinct species · 35 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 6 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 Hällingsån : 6 espèces reliées par 4 interactions GloBI sur 1 type (connectance 26.7%, filtre Serrano α=0.2).

Espèces affichées
6
Interactions affichées
4
Connectance
0.267
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

38km

Max discharge

8,1m³/s

Max Strahler

3

Segments matched

16

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