HydroBASINS lev08 watershed · #3080504880
Bassin de Чуна
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 : Boguchanskiy rayon, Tayshetskiy rayon
Sub-basin area
550km²
Upstream area
48 010,2km²
Discharge
275,31m³/s
Mean elev.
285m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Тяжет1358 km²
- Bassin de Чуна991 km²
2 dept-equivalent regions (GADM L2)
- Tayshetskiy rayonIrkutsk · Russia533.7 km²96.6% of basin
- Boguchanskiy rayonKrasnoyarsk · Russia19.0 km²3.4% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
32 distinct species · 34 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 7 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 Чуна : 7 espèces reliées par 4 interactions GloBI sur 1 type (connectance 19.0%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
-2,1°C
Annual rain
392mm
Moisture idx (CMI)
-0,38
Runoff
164mm/an
PET
637mm
AET
342mm
Mean slope
3,0°
Water table
63cm
Forest
90%
Crops
6%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)