HydroBASINS lev08 watershed · #3080505180
Bassin de Сеймжа
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 : Aldanskiy rayon, Neryungri gorsovet
Sub-basin area
1 478,8km²
Upstream area
1 478,8km²
Discharge
15,8m³/s
Mean elev.
1 086m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 1356.8 km²91.3% of basin
- 129.4 km²8.7% of basin
1 intersecting protected areas
Gynym
IUCN VIResource Reserve
1284.42 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
0 distinct species · 0 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°
-11,1°C
Annual rain
573mm
Moisture idx (CMI)
0,14
Runoff
336mm/an
PET
487mm
AET
419mm
Mean slope
8,1°
Water table
231cm
Forest
73%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)