HydroBASINS lev08 watershed · #3080176160
Bassin de Седедема
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 : Srednekolymskiy rayon
Sub-basin area
525,2km²
Upstream area
15 616,4km²
Discharge
66,12m³/s
Mean elev.
36m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Сыкина1708 km²
- Bassin de Седедема600 km²
1 dept-equivalent regions (GADM L2)
- 528.9 km²100.0% of basin
1 intersecting protected areas
Sededema
IUCN VIResource Reserve
282.06 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
4 distinct species · 4 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°
-12,1°C
Annual rain
229mm
Moisture idx (CMI)
-0,48
Runoff
147mm/an
PET
436mm
AET
219mm
Mean slope
3,1°
Water table
62cm
Forest
71%
Crops
0%
Urban
0%
Protected
46%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)