HydroBASINS lev08 watershed · #3080648940
Bassin de Селенга
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 5 administrative regions : Ivolginskiy rayon, Mukhorshibirskiy rayon, Tarbagatayskiy rayon, Ulan-Ude, Zaigraevskiy rayon
Sub-basin area
2 188,5km²
Upstream area
401 807,9km²
Discharge
855,66m³/s
Mean elev.
790m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Убукун2093 km²
- Bassin de Селенга344 km²
5 dept-equivalent regions (GADM L2)
- 1916.0 km²87.2% of basin
- 194.3 km²8.8% of basin
- 48.7 km²2.2% of basin
- 36.4 km²1.7% of basin
- 1.3 km²0.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
677 distinct species · 2 374 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 Селенга : 35 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 65 interactions GloBI sur 5 types (connectance 7.9%, 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°
-2,0°C
Annual rain
320mm
Moisture idx (CMI)
-0,53
Runoff
47mm/an
PET
682mm
AET
289mm
Mean slope
7,5°
Water table
190cm
Forest
54%
Crops
23%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)