HydroBASINS lev08 watershed · #4080739980
Bassin de 九华河
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 : Anqing, Chizhou, Tongling
Sub-basin area
1 262,4km²
Upstream area
1 680 151,6km²
Discharge
28 636,86m³/s
Mean elev.
143m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 秋浦河2219 km²
- Bassin de 罗昌河1000 km²
3 dept-equivalent regions (GADM L2)
- 1144.8 km²90.8% of basin
- 109.2 km²8.7% of basin
- 7.2 km²0.6% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
395 distinct species · 750 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 九华河 : 34 espèces reliées par 39 interactions GloBI sur 4 types (connectance 4.5%, filtre Serrano α=0.2). 8 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°
16,1°C
Annual rain
1 394mm
Moisture idx (CMI)
0,23
Runoff
1 012mm/an
PET
1 061mm
AET
1 006mm
Mean slope
8,7°
Water table
290cm
Forest
59%
Crops
23%
Urban
12%
Protected
9%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)