HydroBASINS lev08 watershed · #2080315670
Bassin de Утка
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 : Al'keevskiy rayon, Spasskiy rayon, Staromaynskiy rayon, Water body
Sub-basin area
1 059,7km²
Upstream area
1 059,7km²
Discharge
4,97m³/s
Mean elev.
96m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
5 dept-equivalent regions (GADM L2)
- Staromaynskiy rayonUl'yanovsk · Russia651.5 km²61.2% of basin
- 334.7 km²31.4% of basin
- 43.1 km²4.0% of basin
- Water bodyUl'yanovsk · Russia34.1 km²3.2% of basin
- 1.0 km²0.1% of basin
3 intersecting protected areas
Ozero CHistoe
IUCN IIINatural Monument
0.13 km² overlap
Ozero Atamanskoe
IUCN IIINatural Monument
0.13 km² overlap
Ozero Bezymyannoe
IUCN IIINatural Monument
0.12 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
332 distinct species · 996 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 Утка : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 44 interactions GloBI sur 5 types (connectance 10.1%, filtre Serrano α=0.2). 8 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°
4,1°C
Annual rain
529mm
Moisture idx (CMI)
-0,23
Runoff
148mm/an
PET
683mm
AET
445mm
Mean slope
0,8°
Water table
87cm
Forest
21%
Crops
58%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)