HydroBASINS lev08 watershed · #4080743680
Bassin de 西苕溪
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 : Hangzhou, Huzhou
Sub-basin area
183,8km²
Upstream area
992,4km²
Discharge
26,11m³/s
Mean elev.
174m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 西苕溪426 km²
- Bassin de 西苕溪383 km²
2 dept-equivalent regions (GADM L2)
- 183.5 km²99.9% of basin
- 0.2 km²0.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
144 distinct species · 299 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 24 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 西苕溪 : 21 espèces reliées par 24 interactions GloBI sur 4 types (connectance 8.0%, 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°
15,6°C
Annual rain
1 320mm
Moisture idx (CMI)
0,19
Runoff
775mm/an
PET
1 064mm
AET
1 025mm
Mean slope
8,0°
Water table
318cm
Forest
68%
Crops
25%
Urban
19%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)