HydroBASINS lev08 watershed · #2080317140
Bassin de Иреть
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 : Alatyrskiy rayon, Surskiy rayon
Sub-basin area
122,5km²
Upstream area
35 547,9km²
Discharge
139,56m³/s
Mean elev.
129m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Большая Сарка701 km²
- Bassin de Сура10 km²
2 dept-equivalent regions (GADM L2)
- 98.7 km²80.2% of basin
- Surskiy rayonUl'yanovsk · Russia24.4 km²19.8% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
40 distinct species · 57 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 15 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 Иреть : 15 espèces reliées par 13 interactions GloBI sur 2 types (connectance 12.4%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
4,2°C
Annual rain
528mm
Moisture idx (CMI)
-0,22
Runoff
75mm/an
PET
676mm
AET
445mm
Mean slope
1,2°
Water table
124cm
Forest
83%
Crops
7%
Urban
0%
Protected
3%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)