HydroBASINS lev08 watershed · #3080166400
Bassin de Седаяха
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 : Nadymskiy rayon
Sub-basin area
446,3km²
Upstream area
1 703,4km²
Discharge
19,6m³/s
Mean elev.
32m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Айбайтарка648 km²
- Bassin de Правая Сидямютя610 km²
1 dept-equivalent regions (GADM L2)
- 449.4 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
7 distinct species · 7 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°
-9,0°C
Annual rain
415mm
Moisture idx (CMI)
0,33
Runoff
360mm/an
PET
277mm
AET
240mm
Mean slope
1,6°
Water table
37cm
Forest
1%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)