Ontologia

Rivière· 38 segments

Kolbäcksån

Crosses 6 administrative regions : Fagersta, Hallstahammar, Norberg, Sala, Smedjebacken +1

rivière

Total length

112km

Max discharge

28,6m³/s

Max Strahler

4

Segments matched

38

River geography6 admin regions · 0 communes

Parent watershed

hybas-2080235190906 km²

6 administrative regions crossed (GADM L2)

  • Surahammar
    Västmanland · Sweden
    75.7 km
    in this dpt
  • Smedjebacken
    Dalarna · Sweden
    67.5 km
    in this dpt
  • Fagersta
    Västmanland · Sweden
    33.1 km
    in this dpt
  • Hallstahammar
    Västmanland · Sweden
    19.0 km
    in this dpt
  • Norberg
    Västmanland · Sweden
    1.8 km
    in this dpt
  • Sala
    Västmanland · Sweden
    0.0 km
    in this dpt

30 intersecting protected areas

21 more protected areas

1 page = 1 named river (aggregation of 38 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

588 distinct species · 2 200 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 41 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 Kolbäcksån : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 71 interactions GloBI sur 6 types (connectance 8.7%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
71
Connectance
0.087
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

112km

Max discharge

28,6m³/s

Max Strahler

4

Segments matched

38

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