HydroBASINS lev08 watershed · #3080460760
Bassin de Кумаха
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 2 administrative regions : Ayano-Mayskiy rayon, Ust'-Mayskiy rayon
Sub-basin area
480,5km²
Upstream area
480,5km²
Discharge
1,99m³/s
Mean elev.
549m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- Ayano-Mayskiy rayonKhabarovsk · Russia465.0 km²96.3% of basin
- 18.1 km²3.7% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
15 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°
-9,5°C
Annual rain
396mm
Moisture idx (CMI)
-0,25
Runoff
132mm/an
PET
532mm
AET
343mm
Mean slope
6,7°
Water table
161cm
Forest
99%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)