HydroBASINS lev08 watershed · #4080702900
Bassin de 汉江
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 1 administrative regions : Xiangfan
Sub-basin area
739,5km²
Upstream area
104 369,6km²
Discharge
1 070,08m³/s
Mean elev.
129m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 汉江260 km²
- Bassin de 汉江212 km²
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
184 distinct species · 604 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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 汉江 : 38 espèces reliées par 42 interactions GloBI sur 5 types (connectance 4.9%, filtre Serrano α=0.2). 4 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°
15,9°C
Annual rain
861mm
Moisture idx (CMI)
-0,26
Runoff
238mm/an
PET
1 169mm
AET
731mm
Mean slope
3,5°
Water table
140cm
Forest
5%
Crops
45%
Urban
18%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)