HydroBASINS lev08 watershed · #4080956800
Bassin de 贺江
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 2 administrative regions : Hezhou, Zhaoqing
Sub-basin area
553,3km²
Upstream area
6 449,1km²
Discharge
174,31m³/s
Mean elev.
295m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #4080947300193 km²
- Bassin de 贺江167 km²
2 dept-equivalent regions (GADM L2)
- 548.0 km²99.3% of basin
- 4.0 km²0.7% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
61 distinct species · 183 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 贺江 : 16 espèces reliées par 13 interactions GloBI sur 3 types (connectance 8.5%, filtre Serrano α=0.2). 2 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°
20,0°C
Annual rain
1 486mm
Moisture idx (CMI)
0,15
Runoff
822mm/an
PET
1 268mm
AET
1 105mm
Mean slope
13,0°
Water table
440cm
Forest
75%
Crops
7%
Urban
8%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)