HydroBASINS lev08 watershed · #2080037580
Bassin de Holmelva - Ruovdejohka
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 : Narvik
Sub-basin area
188,6km²
Upstream area
188,6km²
Discharge
0,28m³/s
Mean elev.
441m
Species present
641 distinct species · 1 855 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Holmelva - Ruovdejohka : 22 espèces dont 4 patrimoniales (LR IUCN CR/EN/VU) reliées par 49 interactions GloBI sur 5 types (connectance 7.8%, filtre Serrano α=0.2). 14 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°
0,4°C
Annual rain
717mm
Moisture idx (CMI)
0,50
Runoff
884mm/an
PET
354mm
AET
318mm
Mean slope
10,4°
Water table
263cm
Forest
37%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)