HydroBASINS lev08 watershed · #2080314730
Bassin de Кильна
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 4 administrative regions : Tetyushskiy rayon, Tsil'ninskiy rayon, Ul'yanovskiy rayon, Water body
Sub-basin area
562,1km²
Upstream area
562,2km²
Discharge
2,17m³/s
Mean elev.
140m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- 463.1 km²82.0% of basin
- Ul'yanovskiy rayonUl'yanovsk · Russia99.0 km²17.5% of basin
- 2.1 km²0.4% of basin
- Tsil'ninskiy rayonUl'yanovsk · Russia0.4 km²0.1% of basin
3 intersecting protected areas
Reka Sviyaga
IUCN IIINatural Monument
1.03 km² overlap
Zeya bujlary
IUCN IVState Natural Zakaznik
0.57 km² overlap
Ust`e reki Kil`ny
IUCN IIINatural Monument
0.52 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
589 distinct species · 1 089 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 43 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 Кильна : 30 espèces reliées par 91 interactions GloBI sur 7 types (connectance 10.1%, filtre Serrano α=0.2). 13 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°
4,0°C
Annual rain
530mm
Moisture idx (CMI)
-0,22
Runoff
122mm/an
PET
678mm
AET
447mm
Mean slope
1,4°
Water table
142cm
Forest
13%
Crops
60%
Urban
0%
Protected
44%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)