HydroBASINS lev08 watershed · #3080386910
Bassin de Сылгы-Юрях
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 3 administrative regions : Lenskiy rayon, Olekminskiy rayon, Suntarskiy rayon
Sub-basin area
2 002,5km²
Upstream area
2 002,5km²
Discharge
9,45m³/s
Mean elev.
309m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 1779.2 km²88.3% of basin
- 232.9 km²11.6% of basin
- 2.0 km²0.1% of basin
1 intersecting protected areas
Ergedzhej
IUCN VIResource Reserve
458.55 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
18 distinct species · 21 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°
-8,0°C
Annual rain
322mm
Moisture idx (CMI)
-0,42
Runoff
143mm/an
PET
557mm
AET
290mm
Mean slope
2,2°
Water table
61cm
Forest
93%
Crops
0%
Urban
0%
Protected
98%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)