HydroBASINS lev08 watershed · #4080748300
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
508,2km²
Upstream area
165 306,1km²
Discharge
1 640,34m³/s
Mean elev.
27m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 汉水272 km²
- Bassin de 汉北河127 km²
2 dept-equivalent regions (GADM L2)
- 507.6 km²100.0% of basin
- 0.1 km²0.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
482 distinct species · 2 005 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 : 31 espèces reliées par 64 interactions GloBI sur 5 types (connectance 8.2%, filtre Serrano α=0.2). 9 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°
16,9°C
Annual rain
1 231mm
Moisture idx (CMI)
0,08
Runoff
552mm/an
PET
1 126mm
AET
1 009mm
Mean slope
0,7°
Water table
27cm
Forest
0%
Crops
60%
Urban
54%
Protected
8%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)