HydroBASINS lev08 watershed · #4080805970
Bassin de 酉水
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 1 administrative regions : Xiangxi Tujia and Miao
Sub-basin area
1 279,6km²
Upstream area
13 849,2km²
Discharge
290,47m³/s
Mean elev.
508m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 酉水343 km²
- Bassin de 花垣河199 km²
1 dept-equivalent regions (GADM L2)
- 1277.9 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
991 distinct species · 2 718 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 13 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 酉水 : 12 espèces reliées par 12 interactions GloBI sur 3 types (connectance 15.4%, 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°
15,9°C
Annual rain
1 401mm
Moisture idx (CMI)
0,20
Runoff
665mm/an
PET
1 126mm
AET
1 084mm
Mean slope
13,7°
Water table
471cm
Forest
57%
Crops
22%
Urban
4%
Protected
6%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)