Rivière· 36 segments
Voxnan
Crosses 5 administrative regions : Bollnäs, Härjedalen, Ljusdal, Ovanåker, Rättvik
Total length
169km
Max discharge
30,6m³/s
Max Strahler
5
Segments matched
36
River geography5 admin regions · 0 communes
5 administrative regions crossed (GADM L2)
- OvanåkerGävleborg · Sweden123.7 kmin this dpt
- LjusdalGävleborg · Sweden47.2 kmin this dpt
- BollnäsGävleborg · Sweden17.8 kmin this dpt
- HärjedalenJämtland · Sweden16.6 kmin this dpt
- RättvikDalarna · Sweden1.0 kmin this dpt
30 intersecting protected areas
2000933 Hamra
IUCN IINational Park
Voxnan
IUCN IIINatura 2000 SCI
Voxnan
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2000943 Voxnan
IUCN IIINature Conservation Area
Sässmanområdet
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Sässmanområdet
IUCN Not AssignedNatura 2000 SPA
2047842 Hägenlammsmyran
IUCN IaNature Reserve
Hägenlammsmyran
IUCN IaNatura 2000 SPA
Hägenlammsmyran
IUCN IaNatura 2000 SCI
21 more protected areassorted by area
Hägenlammsmyran
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Hägenlammsmyran
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2046212 Tornmyran
IUCN IaNature Reserve
Tornmyran
IUCN IaNatura 2000 SPA
Tornmyran
IUCN IaNatura 2000 SCI
Tornmyran
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Tornmyran
IUCN Not ReportedSpecial Protection Area (Birds Directive)
2047079 Gärdes
IUCN IaNature Reserve
Voxnan (Jämtlands län)
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Voxnan (Jämtlands län)
IUCN Not AssignedNatura 2000 SCI
2022809 Fräkentjärnarna
IUCN Not AssignedNature Reserve
2022831 Tarveroxberget
IUCN IaNature Reserve
Lappmyråsen
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Lappmyråsen
IUCN Not AssignedNatura 2000 SCI
A001146
IUCN Not ApplicableVoluntary set-aside areas
A312810
IUCN Not ApplicableVoluntary set-aside areas
A222575
IUCN Not ApplicableVoluntary set-aside areas
A480464
IUCN Not ApplicableVoluntary set-aside areas
A144273
IUCN Not ApplicableVoluntary set-aside areas
A576897
IUCN Not ApplicableVoluntary set-aside areas
A482075
IUCN Not ApplicableVoluntary set-aside areas
1 page = 1 named river (aggregation of 36 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
339 distinct species · 2 530 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).
Indicateurs du tissu écologique
Tissu écologique de Voxnan : 23 espèces reliées par 32 interactions GloBI sur 4 types (connectance 7.4%, filtre Serrano α=0.2). 7 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
169km
Max discharge
30,6m³/s
Max Strahler
5
Segments matched
36
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.