HydroBASINS lev08 watershed · #2080129990
Bassin de Ounasjoki
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 : Lapland
Sub-basin area
602km²
Upstream area
7 146,2km²
Discharge
81,09m³/s
Mean elev.
233m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Ounasjoki2319 km²
- Bassin de Kapsajoki1676 km²
10 intersecting protected areas
National Park
151.43 km² overlap
Ylläs-Aakenus
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
145.08 km² overlap
AHVENVUOMA
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
17.55 km² overlap
Protected Mire
17.55 km² overlap
OUNASJOKI
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
4.16 km² overlap
Metsälain erityisen tärkeät elinympäristöt Lappi
IUCN Not AssignedForest habitats of special importance according to the Forest Act (OECM)
0.56 km² overlap
Private Nature Reserve
0.25 km² overlap
Metsätalouden ympäristötukikohteet Lappi
IUCN Not AssignedForestry environmental aid contracts (OECM)
0.15 km² overlap
Astalan luonnonsuojelualue
IUCN IVPrivate Nature Reserve
0.09 km² overlap
1 more protected areassorted by overlap area
Herb Rich Forest Reserve
0.03 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 817 distinct species · 43 395 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 45 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 Ounasjoki : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 127 interactions GloBI sur 5 types (connectance 12.8%, 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°
-1,5°C
Annual rain
485mm
Moisture idx (CMI)
0,13
Runoff
322mm/an
PET
422mm
AET
334mm
Mean slope
3,0°
Water table
100cm
Forest
62%
Crops
0%
Urban
0%
Protected
27%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)