HydroBASINS lev08 watershed · #2080036920
Bassin de Vikdalselva
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 : Vefsn
Sub-basin area
73,7km²
Upstream area
73,8km²
Discharge
4,42m³/s
Mean elev.
426m
Species present
353 distinct species · 925 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 Bassin de Vikdalselva : 31 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 51 interactions GloBI sur 4 types (connectance 7.7%, filtre Serrano α=0.2). 6 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°
3,2°C
Annual rain
2 091mm
Moisture idx (CMI)
0,82
Runoff
1 883mm/an
PET
385mm
AET
385mm
Mean slope
15,2°
Water table
374cm
Forest
38%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)