HydroBASINS lev08 watershed · #2080220030
Bassin de Varåa
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 2 administrative regions across 2 countries : Torsby, Trysil
Sub-basin area
422,9km²
Upstream area
423km²
Discharge
5,74m³/s
Mean elev.
522m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 382.6 km²89.9% of basin
- 42.8 km²10.1% of basin
10 intersecting protected areas
Regnåsen og Hisåsen
IUCN IaNature Reserve
12.39 km² overlap
2049538 Päggonätto
IUCN IaNature Reserve
3.64 km² overlap
Stenmyra
IUCN IaNature Reserve
2.09 km² overlap
Päggonätto
IUCN IaNatura 2000 SCI
1.40 km² overlap
Päggonätto
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.40 km² overlap
Nordre Munksjøberget
IUCN IaNature Reserve
0.48 km² overlap
Aspberget Nygårdssätern
IUCN IaNatura 2000 SCI
0.13 km² overlap
Aspberget Nygårdssätern
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.13 km² overlap
SK 286-1998
IUCN IaHabitat Protection Area
0.02 km² overlap
1 more protected areassorted by overlap area
SK 277-1998
IUCN IaHabitat Protection Area
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 050 distinct species · 10 827 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Bassin de Varåa : 23 espèces reliées par 87 interactions GloBI sur 5 types (connectance 17.5%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
2,0°C
Annual rain
645mm
Moisture idx (CMI)
0,22
Runoff
428mm/an
PET
502mm
AET
422mm
Mean slope
4,8°
Water table
280cm
Forest
87%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)