HydroBASINS lev08 watershed · #3080100870
Bassin de Аян
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 : Khatangskiy rayon
Sub-basin area
1 098,1km²
Upstream area
5 874,7km²
Discharge
80,17m³/s
Mean elev.
969m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Большой Хонна-Макит1758 km²
- Bassin de Аян874 km²
1 dept-equivalent regions (GADM L2)
- Khatangskiy rayonKrasnoyarsk · Russia1106.1 km²100.0% of basin
1 intersecting protected areas
Putorana Plateau
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
1095.67 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
14 distinct species · 20 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°
-15,4°C
Annual rain
509mm
Moisture idx (CMI)
0,48
Runoff
401mm/an
PET
261mm
AET
241mm
Mean slope
8,9°
Water table
166cm
Forest
1%
Crops
0%
Urban
0%
Protected
95%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)