HydroBASINS lev08 watershed · #3080588140
Bassin de Ия
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 1 administrative regions : Tulunskiy rayon
Sub-basin area
99,7km²
Upstream area
13 919,8km²
Discharge
144,23m³/s
Mean elev.
527m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Ия828 km²
- Bassin de Манут630 km²
1 dept-equivalent regions (GADM L2)
- Tulunskiy rayonIrkutsk · Russia100.1 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
791 distinct species · 984 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 20 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 Ия : 16 espèces reliées par 24 interactions GloBI sur 3 types (connectance 12.6%, filtre Serrano α=0.2). 4 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°
-1,6°C
Annual rain
406mm
Moisture idx (CMI)
-0,40
Runoff
152mm/an
PET
680mm
AET
355mm
Mean slope
3,5°
Water table
64cm
Forest
85%
Crops
18%
Urban
6%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)