HydroBASINS lev08 watershed · #3080231610
Bassin de Ильгувеем
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 : Anadyrskiy rayon, Bilibinskiy rayon
Sub-basin area
2 192,5km²
Upstream area
2 192,6km²
Discharge
16,5m³/s
Mean elev.
895m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 2028.8 km²91.9% of basin
- 178.3 km²8.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
9 distinct species · 9 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Hydroclimate (BasinATLAS lev08)
Mean T°
-14,8°C
Annual rain
350mm
Moisture idx (CMI)
0,08
Runoff
252mm/an
PET
318mm
AET
252mm
Mean slope
12,3°
Water table
242cm
Forest
5%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)