HydroBASINS lev08 watershed · #4080052500
Bassin · #4080052500
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 5 administrative regions : Bayan, Bayantsagaan, Erdene, Sergelen, Ulan Bator
Sub-basin area
3 339,9km²
Upstream area
3 340,1km²
Discharge
0m³/s
Mean elev.
1 497m
Administrative coverage
5 dept-equivalent regions (GADM L2)
- 1724.0 km²51.5% of basin
- 1299.5 km²38.8% of basin
- 183.1 km²5.5% of basin
- 140.4 km²4.2% of basin
- 2.2 km²0.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
88 distinct species · 1 786 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 · #4080052500 : 16 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 38 interactions GloBI sur 2 types (connectance 16.5%, filtre Serrano α=0.2). 6 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°
-1,7°C
Annual rain
245mm
Moisture idx (CMI)
-0,66
Runoff
2mm/an
PET
725mm
AET
231mm
Mean slope
2,6°
Water table
86cm
Forest
0%
Crops
2%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)