HydroBASINS lev08 watershed · #4081151530
Bassin de Sông Hậu
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 5 administrative regions : Châu Thành, Chợ Mới, Long Xuyên, Lấp Vò, Thoại Sơn
Sub-basin area
231,3km²
Upstream area
772 019,9km²
Discharge
15 150,23m³/s
Mean elev.
3m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sông Hậu246 km²
- Bassin de Sông Hậu88 km²
5 dept-equivalent regions (GADM L2)
- 128.7 km²55.9% of basin
- 74.3 km²32.3% of basin
- 22.2 km²9.6% of basin
- 3.5 km²1.5% of basin
- 1.7 km²0.7% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
93 distinct species · 201 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 24 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 Sông Hậu : 22 espèces reliées par 17 interactions GloBI sur 3 types (connectance 6.2%, 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°
27,4°C
Annual rain
1 418mm
Moisture idx (CMI)
-0,04
Runoff
766mm/an
PET
1 479mm
AET
1 027mm
Mean slope
0,2°
Water table
7cm
Forest
0%
Crops
66%
Urban
53%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)