HydroBASINS lev08 watershed · #3080675370
Bassin de Ертіс
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 1 administrative regions : Semipalatinskiy
Sub-basin area
1 730,6km²
Upstream area
192 819,3km²
Discharge
1 025,62m³/s
Mean elev.
258m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Семей507 km²
- Bassin de Ертіс194 km²
1 dept-equivalent regions (GADM L2)
- 1736.6 km²100.0% of basin
1 intersecting protected areas
State Nature Reserve
443.30 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
282 distinct species · 477 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 Ертіс : 24 espèces reliées par 120 interactions GloBI sur 5 types (connectance 14.6%, filtre Serrano α=0.2). 17 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°
3,3°C
Annual rain
286mm
Moisture idx (CMI)
-0,66
Runoff
5mm/an
PET
846mm
AET
254mm
Mean slope
0,6°
Water table
39cm
Forest
1%
Crops
7%
Urban
6%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)