HydroBASINS lev08 watershed · #3080649500
Bassin de Қалқұтан
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 : Astrakhansiy, Bulandynskiy
Sub-basin area
574,2km²
Upstream area
6 418,4km²
Discharge
2,82m³/s
Mean elev.
304m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 3 basins
- Bassin · #3080028540556 km²
- Bassin de Шейка531 km²
- Bassin de Қалқұтан139 km²
2 dept-equivalent regions (GADM L2)
- 545.0 km²94.5% of basin
- 31.5 km²5.5% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
29 distinct species · 60 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 16 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 Қалқұтан : 15 espèces reliées par 14 interactions GloBI sur 2 types (connectance 11.7%, filtre Serrano α=0.2). 1 bulle taxonomique (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°
1,9°C
Annual rain
301mm
Moisture idx (CMI)
-0,60
Runoff
19mm/an
PET
754mm
AET
270mm
Mean slope
0,2°
Water table
16cm
Forest
0%
Crops
21%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)