HydroBASINS lev08 watershed · #4080745140
Bassin de 雅砻江
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
6 298,6km²
Upstream area
38 568,2km²
Discharge
337,51m³/s
Mean elev.
4 259m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 达火沟1060 km²
- Bassin de 麦玉曲780 km²
1 dept-equivalent regions (GADM L2)
- 6293.0 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 000 distinct species · 3 399 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 de 雅砻江 : 11 espèces 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°
1,6°C
Annual rain
671mm
Moisture idx (CMI)
-0,15
Runoff
282mm/an
PET
814mm
AET
561mm
Mean slope
20,8°
Water table
720cm
Forest
23%
Crops
1%
Urban
0%
Protected
13%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)