Ruisseau· 6 segments
Björnån
Crosses 2 administrative regions : Malung, Älvdalen
Total length
86km
Max discharge
2,3m³/s
Max Strahler
3
Segments matched
6
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
8 intersecting protected areas
2022689 Långnäsudden
IUCN IVNature Reserve
2002479 Björnån
IUCN IaNature Reserve
Björnån
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Björnån
IUCN IaNatura 2000 SCI
SK 733-2004
IUCN IVNature conservation agreement, Swedish Forest Agency
SK 864-2003
IUCN IVNature conservation agreement, Swedish Forest Agency
SK 863-2003
IUCN IVNature conservation agreement, Swedish Forest Agency
SK 862-2003
IUCN IVNature conservation agreement, Swedish Forest Agency
1 page = 1 named river (aggregation of 6 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
419 distinct species · 4 179 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Björnån : 28 espèces reliées par 36 interactions GloBI sur 5 types (connectance 6.4%, filtre Serrano α=0.2). 6 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
86km
Max discharge
2,3m³/s
Max Strahler
3
Segments matched
6
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.