HydroBASINS lev08 watershed · #4080849690
Bassin de 乌江
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 3 administrative regions : Bijie, Guiyang, Zunyi
Sub-basin area
1 585,1km²
Upstream area
28 947,6km²
Discharge
519,25m³/s
Mean elev.
979m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 偏岩河2248 km²
- Bassin de 乌江1143 km²
3 dept-equivalent regions (GADM L2)
- 840.0 km²53.1% of basin
- 742.5 km²46.9% of basin
- 0.0 km²0.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
126 distinct species · 235 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 27 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 乌江 : 24 espèces reliées par 22 interactions GloBI sur 5 types (connectance 6.3%, filtre Serrano α=0.2). 3 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°
15,5°C
Annual rain
1 128mm
Moisture idx (CMI)
0,03
Runoff
582mm/an
PET
1 093mm
AET
949mm
Mean slope
10,6°
Water table
377cm
Forest
72%
Crops
27%
Urban
7%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)