HydroBASINS lev08 watershed · #2080145610
Bassin de Oulankajoki
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 2 administrative regions across 2 countries : Loukhskiy rayon, Northern Ostrobothnia
Sub-basin area
22,5km²
Upstream area
3 724,8km²
Discharge
43,41m³/s
Mean elev.
182m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Karvastekemäjoki281 km²
- Bassin de Saarikoski229 km²
2 dept-equivalent regions (GADM L2)
- 11.7 km²51.7% of basin
- 10.9 km²48.3% of basin
8 intersecting protected areas
Paanayarvi
IUCN IbNational Park
9.05 km² overlap
Oulanka National Park
IUCN Not ReportedWetland of International Importance (Ramsar Site)
3.49 km² overlap
Oulanka
IUCN Not ReportedSpecial Protection Area (Birds Directive)
3.14 km² overlap
Oulanka
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
3.14 km² overlap
Oulangan kansallispuisto
IUCN IINational Park
0.38 km² overlap
Private Nature Reserve
0.33 km² overlap
Metsätalouden ympäristötukikohteet Pohjois-Pohjanmaa
IUCN Not AssignedForestry environmental aid contracts (OECM)
0.04 km² overlap
Metsälain erityisen tärkeät elinympäristöt Pohjois-Pohjanmaa
IUCN Not AssignedForest habitats of special importance according to the Forest Act (OECM)
0.04 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 853 distinct species · 9 328 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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 Oulankajoki : 26 espèces reliées par 69 interactions GloBI sur 5 types (connectance 7.6%, filtre Serrano α=0.2). 17 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°
-0,3°C
Annual rain
562mm
Moisture idx (CMI)
0,22
Runoff
326mm/an
PET
439mm
AET
360mm
Mean slope
6,4°
Water table
155cm
Forest
94%
Crops
0%
Urban
0%
Protected
54%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)