HydroBASINS lev08 watershed · #4080014250
Bassin de 南流江
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 : Beihai, Qinzhou
Sub-basin area
1 063,2km²
Upstream area
9 265,8km²
Discharge
258,5m³/s
Mean elev.
35m
Administrative coverage
Hydrographic chain
▼ Drains into
Outlet (drains to ocean / endorheic)
▲ Receives from 2 basins
- Bassin de 武利江1230 km²
- Bassin de 南流江1091 km²
2 dept-equivalent regions (GADM L2)
- 695.9 km²65.6% of basin
- 364.4 km²34.4% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
23 distinct species · 50 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 7 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 南流江 : 7 espèces reliées par 4 interactions GloBI sur 2 types (connectance 19.0%, 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°
22,7°C
Annual rain
1 718mm
Moisture idx (CMI)
0,29
Runoff
1 021mm/an
PET
1 227mm
AET
1 054mm
Mean slope
1,4°
Water table
46cm
Forest
12%
Crops
30%
Urban
5%
Protected
23%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)