HydroBASINS lev08 watershed · #4080748320
Bassin de 长江
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 : Ezhou, Huanggang, Wuhan
Sub-basin area
253,9km²
Upstream area
1 466 589,4km²
Discharge
22 496,97m³/s
Mean elev.
24m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 倒水2189 km²
- Bassin de 长江157 km²
3 dept-equivalent regions (GADM L2)
- 119.0 km²46.9% of basin
- 110.1 km²43.4% of basin
- 24.5 km²9.7% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
189 distinct species · 896 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 长江 : 28 espèces reliées par 51 interactions GloBI sur 4 types (connectance 8.1%, filtre Serrano α=0.2). 8 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°
17,2°C
Annual rain
1 280mm
Moisture idx (CMI)
0,11
Runoff
635mm/an
PET
1 139mm
AET
1 021mm
Mean slope
1,0°
Water table
45cm
Forest
0%
Crops
92%
Urban
23%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)