HydroBASINS lev08 watershed · #4080446410
Bassin · #4080446410
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 : Jiuquan
Sub-basin area
873,1km²
Upstream area
6 970km²
Discharge
0,58m³/s
Mean elev.
1 564m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de new chin canal3402 km²
- Bassin de 榆林河（踏石河）2694 km²
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
18 distinct species · 22 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 11 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 · #4080446410 : 11 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 7 interactions GloBI sur 2 types (connectance 12.7%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
7,5°C
Annual rain
55mm
Moisture idx (CMI)
-0,95
Runoff
3mm/an
PET
1 116mm
AET
55mm
Mean slope
1,7°
Water table
157cm
Forest
0%
Crops
0%
Urban
0%
Protected
68%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)