HydroBASINS lev08 watershed · #2080732130
Bassin de Egriyok
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 across 2 countries : Gulran, Kushk, Tagtabazar
Sub-basin area
710,4km²
Upstream area
3 449,9km²
Discharge
4,3m³/s
Mean elev.
688m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rōd-e Shōrāw1713 km²
- Bassin de Egriyok370 km²
3 dept-equivalent regions (GADM L2)
- TagtabazarMary · Turkmenistan361.9 km²50.9% of basin
- 347.2 km²48.9% of basin
- 1.3 km²0.2% of basin
1 intersecting protected areas
Chemenbit
IUCN IVNature Sanctuary or Partial Reserve
58.51 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
16 distinct species · 34 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°
15,6°C
Annual rain
293mm
Moisture idx (CMI)
-0,80
Runoff
49mm/an
PET
1 445mm
AET
249mm
Mean slope
4,7°
Water table
702cm
Forest
0%
Crops
25%
Urban
0%
Protected
8%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)