HydroBASINS lev08 watershed · #2080205520
Bassin de Otta
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 1 administrative regions : Vågå
Sub-basin area
23,5km²
Upstream area
3 498,2km²
Discharge
84,31m³/s
Mean elev.
673m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Otta336 km²
- Bassin de Otta196 km²
3 intersecting protected areas
Vistehorten
IUCN IaNature Reserve
0.23 km² overlap
Ottadalen
IUCN VProtected Landscape
0.19 km² overlap
Sandehorten
IUCN IaNature Reserve
0.11 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
428 distinct species · 1 137 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 Otta : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 49 interactions GloBI sur 4 types (connectance 9.3%, 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°
1,2°C
Annual rain
685mm
Moisture idx (CMI)
0,29
Runoff
458mm/an
PET
484mm
AET
399mm
Mean slope
13,4°
Water table
646cm
Forest
44%
Crops
0%
Urban
0%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)