HydroBASINS lev08 watershed · #4080773040
Bassin de 拉萨河
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 2 administrative regions : Lhasa, Shannan
Sub-basin area
981,1km²
Upstream area
23 421,5km²
Discharge
115,14m³/s
Mean elev.
4 395m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 墨竹玛曲2184 km²
- Bassin de 拉萨河314 km²
2 dept-equivalent regions (GADM L2)
- 979.0 km²99.9% of basin
- 1.0 km²0.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
218 distinct species · 592 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 拉萨河 : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 47 interactions GloBI sur 2 types (connectance 8.9%, filtre Serrano α=0.2). 10 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°
2,8°C
Annual rain
321mm
Moisture idx (CMI)
-0,64
Runoff
125mm/an
PET
882mm
AET
284mm
Mean slope
18,8°
Water table
708cm
Forest
2%
Crops
5%
Urban
0%
Protected
49%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)