HydroBASINS lev08 watershed · #2080317970
Bassin de Майна
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 : Staromaynskiy rayon, Water body
Sub-basin area
95km²
Upstream area
1 179 846,3km²
Discharge
7 632,18m³/s
Mean elev.
47m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Утка1060 km²
- Bassin de Волга458 km²
3 dept-equivalent regions (GADM L2)
- 45.0 km²47.1% of basin
- Water bodyUl'yanovsk · Russia33.3 km²34.9% of basin
- Staromaynskiy rayonUl'yanovsk · Russia17.2 km²18.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 distinct species · 131 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°
4,4°C
Annual rain
518mm
Moisture idx (CMI)
-0,25
Runoff
137mm/an
PET
689mm
AET
438mm
Mean slope
0,2°
Water table
15cm
Forest
1%
Crops
46%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)