HydroBASINS lev08 watershed · #4080722040
Bassin de 达曲
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 1 administrative regions : Garzê Tibetan
Sub-basin area
1 160,1km²
Upstream area
5 165,5km²
Discharge
54,47m³/s
Mean elev.
4 046m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 达曲677 km²
- Bassin de 柯日弄187 km²
1 dept-equivalent regions (GADM L2)
- 1159.1 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
223 distinct species · 660 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 达曲 : 34 espèces reliées par 33 interactions GloBI sur 5 types (connectance 4.7%, filtre Serrano α=0.2). 4 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°
2,4°C
Annual rain
679mm
Moisture idx (CMI)
-0,19
Runoff
305mm/an
PET
860mm
AET
571mm
Mean slope
20,5°
Water table
655cm
Forest
47%
Crops
2%
Urban
0%
Protected
10%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)