HydroBASINS lev08 watershed · #4080999190
Bassin de 水口河
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 4 administrative regions across 2 countries : Chongzuo, Phục Hoà, Thạch An, Tràng Định
Sub-basin area
641,2km²
Upstream area
5 460,8km²
Discharge
101,76m³/s
Mean elev.
281m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sông Bắc Vọng924 km²
- Bassin de Sông Bằng585 km²
4 dept-equivalent regions (GADM L2)
- 559.6 km²87.5% of basin
- 55.1 km²8.6% of basin
- Tràng ĐịnhLạng Sơn · Vietnam23.6 km²3.7% of basin
- 1.2 km²0.2% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 651 distinct species · 10 995 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 16 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 水口河 : 16 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 12 interactions GloBI sur 2 types (connectance 10.0%, 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°
22,3°C
Annual rain
1 370mm
Moisture idx (CMI)
-0,01
Runoff
503mm/an
PET
1 377mm
AET
1 076mm
Mean slope
10,8°
Water table
328cm
Forest
27%
Crops
20%
Urban
1%
Protected
26%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)