HydroBASINS lev08 watershed · #4080864350
Bassin de 永乐江
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 : Chenzhou, Hengyang, Zhuzhou
Sub-basin area
570,7km²
Upstream area
2 807km²
Discharge
73,66m³/s
Mean elev.
158m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 永乐江409 km²
- Bassin de 宜阳河269 km²
3 dept-equivalent regions (GADM L2)
- 259.1 km²45.5% of basin
- 172.8 km²30.3% of basin
- 137.8 km²24.2% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
23 distinct species · 29 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 9 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 永乐江 : 9 espèces reliées par 5 interactions GloBI sur 2 types (connectance 13.9%, 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°
17,9°C
Annual rain
1 541mm
Moisture idx (CMI)
0,24
Runoff
860mm/an
PET
1 173mm
AET
1 084mm
Mean slope
5,1°
Water table
174cm
Forest
75%
Crops
21%
Urban
8%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)