HydroBASINS lev08 watershed · #4080803030
Bassin de 沅江
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 2 administrative regions : Changde, Yiyang
Sub-basin area
1 465,6km²
Upstream area
91 999,7km²
Discharge
2 071,26m³/s
Mean elev.
50m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 沅江1179 km²
- Bassin de 沅江926 km²
2 dept-equivalent regions (GADM L2)
- 1459.6 km²99.7% of basin
- 4.1 km²0.3% of basin
1 intersecting protected areas
Hunan Maoli Lake Wetlands
IUCN VIWetland of International Importance (Ramsar Site)
12.74 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
13 distinct species · 89 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Hydroclimate (BasinATLAS lev08)
Mean T°
17,2°C
Annual rain
1 324mm
Moisture idx (CMI)
0,17
Runoff
639mm/an
PET
1 100mm
AET
1 009mm
Mean slope
1,1°
Water table
49cm
Forest
32%
Crops
45%
Urban
8%
Protected
7%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)