HydroBASINS lev08 watershed · #4080867050
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 3 administrative regions : Anshun, Bijie, Guiyang
Sub-basin area
1 691,7km²
Upstream area
6 965km²
Discharge
138,47m³/s
Mean elev.
1 376m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 3 basins
- Bassin de 波玉河373 km²
- Bassin · #4080068770135 km²
- Bassin de 三岔河30 km²
3 dept-equivalent regions (GADM L2)
- 839.5 km²49.7% of basin
- 640.4 km²37.9% of basin
- 208.7 km²12.4% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
143 distinct species · 226 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 10 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 : 10 espèces reliées par 6 interactions GloBI sur 4 types (connectance 13.3%, 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°
15,1°C
Annual rain
1 239mm
Moisture idx (CMI)
0,12
Runoff
680mm/an
PET
1 083mm
AET
969mm
Mean slope
11,8°
Water table
432cm
Forest
53%
Crops
29%
Urban
8%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)