HydroBASINS lev08 watershed · #3080634330
Bassin de Ангара
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 : Angarskiy rayon, Irkutskiy rayon
Sub-basin area
236,2km²
Upstream area
593 516,4km²
Discharge
2 327,4m³/s
Mean elev.
470m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Куда966 km²
- Bassin de Ангара151 km²
2 dept-equivalent regions (GADM L2)
- Irkutskiy rayonIrkutsk · Russia221.9 km²93.5% of basin
- Angarskiy rayonIrkutsk · Russia15.3 km²6.5% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
475 distinct species · 1 124 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 25 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 Ангара : 19 espèces reliées par 54 interactions GloBI sur 5 types (connectance 18.0%, filtre Serrano α=0.2). 6 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°
-0,2°C
Annual rain
502mm
Moisture idx (CMI)
-0,28
Runoff
75mm/an
PET
697mm
AET
431mm
Mean slope
3,1°
Water table
59cm
Forest
63%
Crops
1%
Urban
11%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)