HydroBASINS lev08 watershed · #4080342790
Bassin de Чүй
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 across 2 countries : Alamüdün, Biškek, Kordayskiy, Sokuluk
Sub-basin area
171,3km²
Upstream area
17 833,8km²
Discharge
52,13m³/s
Mean elev.
653m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Рғайты718 km²
- Bassin de Чүй4 km²
4 dept-equivalent regions (GADM L2)
- 117.7 km²68.6% of basin
- 38.4 km²22.4% of basin
- BiškekBiškek · Kyrgyzstan15.5 km²9.0% of basin
- 0.0 km²0.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
267 distinct species · 1 617 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 Чүй : 33 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 96 interactions GloBI sur 5 types (connectance 10.6%, filtre Serrano α=0.2). 10 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°
10,7°C
Annual rain
410mm
Moisture idx (CMI)
-0,62
Runoff
33mm/an
PET
1 082mm
AET
354mm
Mean slope
0,6°
Water table
90cm
Forest
0%
Crops
12%
Urban
10%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)