Ruisseau
Kölstaån
Crosses 3 administrative regions : Köping, Skinnskatteberg, Surahammar
Total length
25km
Max discharge
1m³/s
Max Strahler
1
Segments matched
1
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
- KöpingVästmanland · Sweden17.1 kmin this dpt
- SurahammarVästmanland · Sweden9.3 kmin this dpt
- SkinnskattebergVästmanland · Sweden0.0 kmin this dpt
9 intersecting protected areas
2001335 Tängsta
IUCN IaNature Reserve
Tängsta
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Tängsta
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Tängsta
IUCN IaNatura 2000 SPA
Tängsta
IUCN IaNatura 2000 SCI
A012537
IUCN Not ApplicableVoluntary set-aside areas
SK 765-2003
IUCN IaHabitat Protection Area
SK 935-2005
IUCN IaHabitat Protection Area
SK 249-2012
IUCN IaHabitat Protection Area
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
771 distinct species · 9 365 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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).
Indicateurs du tissu écologique
Tissu écologique de Kölstaån : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 85 interactions GloBI sur 5 types (connectance 12.8%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
25km
Max discharge
1,0m³/s
Max Strahler
1
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.