HydroBASINS lev08 watershed · #2080191900
Bassin de Онега
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 : Nyandomskiy rayon, Plesetskiy rayon
Sub-basin area
587,5km²
Upstream area
46 132,2km²
Discharge
424,35m³/s
Mean elev.
111m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Икса1443 km²
- Bassin de Икса4 km²
2 dept-equivalent regions (GADM L2)
- Plesetskiy rayonArkhangel'sk · Russia575.5 km²97.4% of basin
- Nyandomskiy rayonArkhangel'sk · Russia15.6 km²2.6% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
106 distinct species · 133 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 17 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 Онега : 14 espèces reliées par 13 interactions GloBI sur 4 types (connectance 7.6%, filtre Serrano α=0.2). 5 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°
1,3°C
Annual rain
629mm
Moisture idx (CMI)
0,16
Runoff
338mm/an
PET
527mm
AET
412mm
Mean slope
2,8°
Water table
45cm
Forest
84%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)