Ontologia

Ruisseau· 5 segments

Halgån

Crosses 3 administrative regions : Hagfors, Malung, Torsby

ruisseau

Total length

38km

Max discharge

4,2m³/s

Max Strahler

3

Segments matched

5

River geography3 admin regions · 0 communes

Parent watershed

hybas-2080229970324 km²

3 administrative regions crossed (GADM L2)

  • Torsby
    Värmland · Sweden
    25.3 km
    in this dpt
  • Hagfors
    Värmland · Sweden
    7.4 km
    in this dpt
  • Malung
    Dalarna · Sweden
    1.0 km
    in this dpt

26 intersecting protected areas

17 more protected areas

1 page = 1 named river (aggregation of 5 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

447 distinct species · 1 516 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 28 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 Halgån : 23 espèces reliées par 51 interactions GloBI sur 4 types (connectance 13.5%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
28
Interactions affichées
51
Connectance
0.135
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

4,2m³/s

Max Strahler

3

Segments matched

5

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