HydroBASINS lev08 watershed · #3080176060
Bassin de Сылгыытар-Сиенэ
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
705,2km²
Upstream area
705,3km²
Discharge
2,85m³/s
Mean elev.
29m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
1 dept-equivalent regions (GADM L2)
- 710.1 km²100.0% of basin
1 intersecting protected areas
Sededema
IUCN VIResource Reserve
102.43 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 distinct species · 3 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°
-12,2°C
Annual rain
226mm
Moisture idx (CMI)
-0,47
Runoff
136mm/an
PET
429mm
AET
216mm
Mean slope
3,4°
Water table
54cm
Forest
36%
Crops
0%
Urban
0%
Protected
35%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)