HydroBASINS lev08 watershed · #3080447690
Bassin de Чуя
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 : Lenskiy rayon, Mamsko-Chuyskiy rayon
Sub-basin area
594,9km²
Upstream area
18 216,1km²
Discharge
247,19m³/s
Mean elev.
352m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Малая Чуя1165 km²
- Bassin de Большая Чуя418 km²
2 dept-equivalent regions (GADM L2)
- Mamsko-Chuyskiy rayonIrkutsk · Russia497.6 km²83.2% of basin
- 100.5 km²16.8% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
120 distinct species · 136 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 12 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Чуя : 8 espèces reliées par 13 interactions GloBI sur 2 types (connectance 19.7%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
-5,5°C
Annual rain
439mm
Moisture idx (CMI)
-0,23
Runoff
467mm/an
PET
571mm
AET
373mm
Mean slope
4,6°
Water table
87cm
Forest
100%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)