Ruisseau· 8 segments
Tossan
Crosses 2 administrative regions : Malung, Torsby
Total length
20km
Max discharge
2,7m³/s
Max Strahler
3
Segments matched
8
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
18 intersecting protected areas
Klarälven, övre delen
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Klarälven, övre delen
IUCN Not AssignedNatura 2000 SCI
Nature Reserve
2002225 Ömtberget
IUCN IaNature Reserve
Ömtberget
IUCN IaNatura 2000 SCI
Ömtberget
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Horsstomyren
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Horsstomyren
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Horsstomyren
IUCN IaNatura 2000 SPA
9 more protected areassorted by area
Horsstomyren
IUCN IaNatura 2000 SCI
2014561 Vålhallberget
IUCN IaNature Reserve
2005616 Näsknölen
IUCN IaNature Reserve
2047599 Risberget
IUCN IaNature Reserve
2005617 Hästberget
IUCN IaNature Reserve
2032869 Tallknölbäcken
IUCN IaNature Reserve
SK 152-2019
IUCN IaHabitat Protection Area
SK 478-2015
IUCN IaHabitat Protection Area
SK 319-2018
IUCN IaHabitat Protection Area
1 page = 1 named river (aggregation of 8 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
352 distinct species · 1 757 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 Tossan : 26 espèces reliées par 68 interactions GloBI sur 6 types (connectance 9.2%, filtre Serrano α=0.2). 13 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
20km
Max discharge
2,7m³/s
Max Strahler
3
Segments matched
8
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.