HydroBASINS lev08 watershed · #4080694710
Bassin de 三岔河
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 1 administrative regions : Garzê Tibetan
Sub-basin area
1 812,8km²
Upstream area
1 813,1km²
Discharge
26,87m³/s
Mean elev.
4 400m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
1 dept-equivalent regions (GADM L2)
- 1811.6 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
27 distinct species · 31 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 三岔河 : 11 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 9 interactions GloBI sur 2 types (connectance 16.4%, 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°
-0,1°C
Annual rain
563mm
Moisture idx (CMI)
-0,24
Runoff
445mm/an
PET
744mm
AET
483mm
Mean slope
17,4°
Water table
564cm
Forest
1%
Crops
1%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)