HydroBASINS lev08 watershed · #4080774080
Bassin de 沱江
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 3 administrative regions : Neijiang, Neijiang]], Ziyang
Sub-basin area
385,4km²
Upstream area
15 245,4km²
Discharge
245,38m³/s
Mean elev.
406m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 沱江281 km²
- Bassin de 沱江160 km²
3 dept-equivalent regions (GADM L2)
- 346.5 km²90.0% of basin
- 38.4 km²10.0% of basin
- 0.0 km²0.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
38 distinct species · 84 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 18 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 沱江 : 18 espèces reliées par 13 interactions GloBI sur 3 types (connectance 8.5%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
17,4°C
Annual rain
1 010mm
Moisture idx (CMI)
-0,06
Runoff
525mm/an
PET
1 075mm
AET
848mm
Mean slope
4,6°
Water table
175cm
Forest
0%
Crops
66%
Urban
16%
Protected
14%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)