Ontologia

Rivière· 64 segments

Dalälven

Crosses 12 administrative regions : Avesta, Borlänge, Falun, Gagnef, Gävle +7

rivière

Total length

253km

Max discharge

354,8m³/s

Max Strahler

6

Segments matched

64

River geography12 admin regions · 0 communes

Parent watershed

hybas-2080230430350 km²

12 administrative regions crossed (GADM L2)

  • Avesta
    Dalarna · Sweden
    59.3 km
    in this dpt
  • Hedemora
    Dalarna · Sweden
    46.7 km
    in this dpt
  • Borlänge
    Dalarna · Sweden
    44.7 km
    in this dpt
  • Gävle
    Gävleborg · Sweden
    31.2 km
    in this dpt
  • Säter
    Dalarna · Sweden
    21.3 km
    in this dpt
  • Älvkarleby
    Uppsala · Sweden
    20.5 km
    in this dpt
  • Tierp
    Uppsala · Sweden
    14.4 km
    in this dpt
  • Gagnef
    Dalarna · Sweden
    11.8 km
    in this dpt
  • Sandviken
    Gävleborg · Sweden
    8.6 km
    in this dpt
  • Heby
    Västmanland · Sweden
    2.8 km
    in this dpt
  • Sala
    Västmanland · Sweden
    0.0 km
    in this dpt
  • Falun
    Dalarna · Sweden
    0.0 km
    in this dpt

30 intersecting protected areas

21 more protected areas

1 page = 1 named river (aggregation of 64 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

461 distinct species · 5 010 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 29 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 Dalälven : 23 espèces reliées par 32 interactions GloBI sur 5 types (connectance 7.4%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
30
Interactions affichées
32
Connectance
0.074
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

253km

Max discharge

354,8m³/s

Max Strahler

6

Segments matched

64

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