HydroBASINS lev08 watershed · #4080171580
Bassin de 乌尔逊河
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 : Hulunbuir
Sub-basin area
755,5km²
Upstream area
38 343,9km²
Discharge
11,84m³/s
Mean elev.
581m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Халх гол2122 km²
- Bassin de Орчун гол53 km²
1 dept-equivalent regions (GADM L2)
- 757.7 km²100.0% of basin
2 intersecting protected areas
Wetland of International Importance (Ramsar Site)
576.58 km² overlap
Dalai Lake
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
3.77 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
68 distinct species · 92 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 19 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 乌尔逊河 : 14 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 25 interactions GloBI sur 3 types (connectance 14.6%, filtre Serrano α=0.2). 5 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°
0,1°C
Annual rain
256mm
Moisture idx (CMI)
-0,68
Runoff
5mm/an
PET
792mm
AET
237mm
Mean slope
0,1°
Water table
5cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)