HydroBASINS lev08 watershed · #2080037030
Bassin de Litlelva
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 across 2 countries : Grane, Hattfjelldal, Hemnes, Storuman, Vefsn
Sub-basin area
1 815,2km²
Upstream area
1 815,2km²
Discharge
78,85m³/s
Mean elev.
610m
Administrative coverage
5 dept-equivalent regions (GADM L2)
- 1043.4 km²57.1% of basin
- 696.8 km²38.1% of basin
- 38.8 km²2.1% of basin
- 29.8 km²1.6% of basin
- 18.6 km²1.0% of basin
25 intersecting protected areas
Vindelfjällen
IUCN IbNatura 2000 SCI
34.16 km² overlap
Vindelfjällen
IUCN Not ReportedSpecial Protection Area (Birds Directive)
34.16 km² overlap
Vindelfjällen
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
34.16 km² overlap
Vindelfjällen
IUCN IbNatura 2000 SPA
34.16 km² overlap
2001842 Vindelfjällen
IUCN IbNature Reserve
34.16 km² overlap
Varnvassdalen, Favnvassdalen og Storslettmyra
IUCN Not ReportedEmerald Network
33.98 km² overlap
Spjeltfjelldalen
IUCN IaNature Reserve
29.41 km² overlap
Spjeltfjelldalen
IUCN Not ReportedEmerald Network
29.41 km² overlap
Raudvassåsen
IUCN IaNature Reserve
20.81 km² overlap
16 more protected areassorted by overlap area
Raudvatnet
IUCN IaNature Reserve
20.64 km² overlap
Varnvassdalen
IUCN IaNature Reserve
20.02 km² overlap
Favnvassdalen
IUCN IVProtected Landscape
13.61 km² overlap
Storelva-Stillelva
IUCN IaNature Reserve
11.20 km² overlap
Nordre Varnvassdalen
IUCN IaNature Reserve
5.77 km² overlap
Simaklubben
IUCN IaNature Reserve
3.42 km² overlap
Røssvassholmen
IUCN IaNature Reserve
3.29 km² overlap
Sjøforsen
IUCN IaNature Reserve
1.15 km² overlap
Sjøforsen
IUCN Not ReportedEmerald Network
1.15 km² overlap
Fjellavlia
IUCN IaNature Reserve
1.00 km² overlap
Storslettmyra
IUCN IaNature Reserve
0.99 km² overlap
Tuvhaugen
IUCN IaNature Reserve
0.97 km² overlap
Fisklausvatnet
IUCN IaNature Reserve
0.52 km² overlap
Fisklausvatnet
IUCN Not ReportedEmerald Network
0.52 km² overlap
Reinåga
IUCN IaNature Reserve
0.31 km² overlap
Øverengmoen
IUCN IaNature Reserve
0.30 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 462 distinct species · 28 628 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 Litlelva : 24 espèces dont 4 patrimoniales (LR IUCN CR/EN/VU) reliées par 85 interactions GloBI sur 6 types (connectance 13.5%, filtre Serrano α=0.2). 12 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°
1,6°C
Annual rain
1 436mm
Moisture idx (CMI)
0,73
Runoff
1 390mm/an
PET
379mm
AET
374mm
Mean slope
10,4°
Water table
303cm
Forest
45%
Crops
0%
Urban
0%
Protected
9%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)