Ruisseau· 6 segments
Kölån
Crosses 2 administrative regions : Härjedalen, Älvdalen
Total length
88km
Max discharge
1,8m³/s
Max Strahler
2
Segments matched
6
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- HärjedalenJämtland · Sweden40.5 kmin this dpt
- ÄlvdalenDalarna · Sweden0.6 kmin this dpt
8 intersecting protected areas
Natura 2000 SPA
Natura 2000 SCI
Långfjället-Städjan-Nipfjället
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Långfjället-Städjan-Nipfjället
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2002449 Städjan-Nipfjället
IUCN IbNature Reserve
Kölån (Österdalälven)
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Kölån (Österdalälven)
IUCN Not AssignedNatura 2000 SCI
1073686226
IUCN Not ApplicableVoluntary set-aside areas
1 page = 1 named river (aggregation of 6 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
377 distinct species · 999 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 46 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 Kölån : 38 espèces dont 5 patrimoniales (LR IUCN CR/EN/VU) reliées par 66 interactions GloBI sur 4 types (connectance 6.4%, filtre Serrano α=0.2). 8 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
88km
Max discharge
1,8m³/s
Max Strahler
2
Segments matched
6
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.