HydroBASINS lev08 watershed · #2080320170
Bassin de Большой Черемшан
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 : Koshkinskiy rayon, Oktyabr'skiy
Sub-basin area
455,4km²
Upstream area
2 770,7km²
Discharge
13,22m³/s
Mean elev.
109m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Большой Черемшан111 km²
- Bassin de Киклинка103 km²
2 dept-equivalent regions (GADM L2)
- 417.0 km²91.2% of basin
- Koshkinskiy rayonSamara · Russia40.4 km²8.8% of basin
3 intersecting protected areas
Reka Bol`shoj CHeremshan
IUCN IIINatural Monument
30.23 km² overlap
CHirmeshen bolynnary
IUCN IIINatural Monument
2.91 km² overlap
CHeremshanskij
IUCN IVState Natural Zakaznik
2.52 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
138 distinct species · 207 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Большой Черемшан : 32 espèces reliées par 47 interactions GloBI sur 6 types (connectance 7.5%, 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°
4,0°C
Annual rain
542mm
Moisture idx (CMI)
-0,21
Runoff
131mm/an
PET
686mm
AET
454mm
Mean slope
1,0°
Water table
88cm
Forest
14%
Crops
50%
Urban
2%
Protected
7%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)