HydroBASINS lev08 watershed · #4080744670
Bassin de 汉水
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 : Wuhan, Xiaogan
Sub-basin area
271,8km²
Upstream area
145 336,2km²
Discharge
1 500,88m³/s
Mean elev.
32m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 北灌渠873 km²
- Bassin de 汉水46 km²
2 dept-equivalent regions (GADM L2)
- 175.6 km²64.7% of basin
- 95.9 km²35.3% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
53 distinct species · 66 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 21 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 汉水 : 20 espèces reliées par 15 interactions GloBI sur 2 types (connectance 7.1%, filtre Serrano α=0.2). 1 bulle taxonomique (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°
16,8°C
Annual rain
1 211mm
Moisture idx (CMI)
0,08
Runoff
535mm/an
PET
1 118mm
AET
1 004mm
Mean slope
1,3°
Water table
57cm
Forest
2%
Crops
67%
Urban
25%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)