HydroBASINS lev08 watershed · #4080571960
Bassin de 湟水
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 : Haidong, Lanzhou
Sub-basin area
1 775,4km²
Upstream area
15 565,1km²
Discharge
45,47m³/s
Mean elev.
2 505m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 湟水1492 km²
- Bassin · #4080567210469 km²
2 dept-equivalent regions (GADM L2)
- 1775.6 km²100.0% of basin
- 0.3 km²0.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
630 distinct species · 1 485 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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 湟水 : 34 espèces reliées par 38 interactions GloBI sur 3 types (connectance 4.2%, filtre Serrano α=0.2). 9 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°
4,4°C
Annual rain
438mm
Moisture idx (CMI)
-0,49
Runoff
31mm/an
PET
883mm
AET
380mm
Mean slope
15,5°
Water table
593cm
Forest
65%
Crops
15%
Urban
5%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)