HydroBASINS lev08 watershed · #3080648950
Bassin de Уда
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, Pribaykal'skiy rayon, Tarbagatayskiy rayon, Ulan-Ude, Zaigraevskiy rayon
Sub-basin area
1 579,7km²
Upstream area
34 817,1km²
Discharge
71,18m³/s
Mean elev.
760m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Уда897 km²
- Bassin de Брянка130 km²
5 dept-equivalent regions (GADM L2)
- 1071.2 km²67.6% of basin
- 343.7 km²21.7% of basin
- 106.8 km²6.7% of basin
- 43.0 km²2.7% of basin
- 21.1 km²1.3% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 167 distinct species · 7 939 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Уда : 24 espèces reliées par 51 interactions GloBI sur 4 types (connectance 11.0%, filtre Serrano α=0.2). 7 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°
-2,2°C
Annual rain
311mm
Moisture idx (CMI)
-0,54
Runoff
41mm/an
PET
675mm
AET
282mm
Mean slope
6,6°
Water table
173cm
Forest
38%
Crops
15%
Urban
7%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)