HydroBASINS lev08 watershed · #4080350470
Bassin de Шаян
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 : Baydibekskiy, Ordabasynskiy
Sub-basin area
422,1km²
Upstream area
891,2km²
Discharge
2,81m³/s
Mean elev.
404m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Шаян324 km²
- Bassin de Шаян145 km²
2 dept-equivalent regions (GADM L2)
- 389.6 km²92.1% of basin
- 33.3 km²7.9% of basin
1 intersecting protected areas
Zakaznik
27.39 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
163 distinct species · 832 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 22 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 Шаян : 13 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 53 interactions GloBI sur 3 types (connectance 22.9%, filtre Serrano α=0.2). 9 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°
11,8°C
Annual rain
316mm
Moisture idx (CMI)
-0,74
Runoff
85mm/an
PET
1 196mm
AET
271mm
Mean slope
1,6°
Water table
303cm
Forest
0%
Crops
8%
Urban
1%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)