HydroBASINS lev08 watershed · #4080765510
Bassin de 白曲
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 4 administrative regions : Lhasa, Nagchu, Nyingtri, Shannan
Sub-basin area
2 609,6km²
Upstream area
4 092,6km²
Discharge
75,77m³/s
Mean elev.
4 945m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #4080770030751 km²
- Bassin de 白曲732 km²
4 dept-equivalent regions (GADM L2)
- 2588.8 km²99.3% of basin
- 11.1 km²0.4% of basin
- 6.0 km²0.2% of basin
- 0.8 km²0.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
88 distinct species · 137 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 18 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 白曲 : 13 espèces reliées par 20 interactions GloBI sur 4 types (connectance 13.1%, 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°
-1,1°C
Annual rain
330mm
Moisture idx (CMI)
-0,53
Runoff
603mm/an
PET
711mm
AET
298mm
Mean slope
25,5°
Water table
866cm
Forest
7%
Crops
1%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)