HydroBASINS lev08 watershed · #3080284720
Bassin de Омолон
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 : Severo-Evenskiy rayon
Sub-basin area
514,1km²
Upstream area
11 152,3km²
Discharge
89,99m³/s
Mean elev.
697m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Верхний Биркачан373 km²
- Bassin de Омолон111 km²
1 dept-equivalent regions (GADM L2)
- 517.3 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
17 distinct species · 69 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 11 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 Омолон : 10 espèces reliées par 9 interactions GloBI sur 3 types (connectance 16.4%, filtre Serrano α=0.2). 1 bulle taxonomique (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°
-12,3°C
Annual rain
333mm
Moisture idx (CMI)
-0,08
Runoff
296mm/an
PET
362mm
AET
271mm
Mean slope
16,3°
Water table
307cm
Forest
18%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)