HydroBASINS lev08 watershed · #3080584770
Bassin de Большая Бирюса
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 : Nizhneudinskiy rayon, Tayshetskiy rayon
Sub-basin area
2 508,6km²
Upstream area
2 508,8km²
Discharge
28,52m³/s
Mean elev.
1 149m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- Nizhneudinskiy rayonIrkutsk · Russia2347.3 km²93.2% of basin
- Tayshetskiy rayonIrkutsk · Russia172.3 km²6.8% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
84 distinct species · 91 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 Большая Бирюса : 10 espèces reliées par 7 interactions GloBI sur 2 types (connectance 10.6%, filtre Serrano α=0.2). 2 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°
-5,2°C
Annual rain
509mm
Moisture idx (CMI)
-0,12
Runoff
350mm/an
PET
585mm
AET
429mm
Mean slope
9,5°
Water table
242cm
Forest
83%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)