HydroBASINS lev08 watershed · #2080216460
Bassin de Nordre Osa
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 5 administrative regions : Elverum, Engerdal, Rendalen, Trysil, Åmot
Sub-basin area
1 412,1km²
Upstream area
1 412,2km²
Discharge
19,21m³/s
Mean elev.
621m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
5 dept-equivalent regions (GADM L2)
- 595.4 km²41.9% of basin
- 403.8 km²28.4% of basin
- 384.3 km²27.1% of basin
- 36.9 km²2.6% of basin
- 0.1 km²0.0% of basin
16 intersecting protected areas
Osdalssjøhøgda
IUCN IaNature Reserve
44.97 km² overlap
Osdalssjøhøgda
IUCN Not ReportedEmerald Network
44.96 km² overlap
Osdalen
IUCN IaNature Reserve
13.34 km² overlap
Osdalen
IUCN Not ReportedEmerald Network
13.34 km² overlap
Halasbukjølen
IUCN IaNature Reserve
10.63 km² overlap
Tanarkjølen
IUCN Not ReportedEmerald Network
6.12 km² overlap
Tanarkjølen
IUCN IaNature Reserve
6.12 km² overlap
Nature Reserve
2.90 km² overlap
Skordalen
IUCN IaNature Reserve
2.65 km² overlap
7 more protected areassorted by overlap area
Skjærberget
IUCN IaNature Reserve
2.52 km² overlap
Fjellkroken
IUCN IaNature Reserve
2.51 km² overlap
Nordre Munksjøberget
IUCN IaNature Reserve
2.44 km² overlap
Brødalen
IUCN IaNature Reserve
1.06 km² overlap
Turtroa
IUCN IaNature Reserve
1.06 km² overlap
Luvdalsætra
IUCN IaNature Reserve
0.44 km² overlap
Blæstad
IUCN Not ReportedNatural Monument
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 037 distinct species · 28 577 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 Nordre Osa : 32 espèces reliées par 90 interactions GloBI sur 5 types (connectance 11.0%, 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°
1,1°C
Annual rain
611mm
Moisture idx (CMI)
0,20
Runoff
431mm/an
PET
487mm
AET
410mm
Mean slope
4,9°
Water table
253cm
Forest
72%
Crops
0%
Urban
0%
Protected
5%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)