HydroBASINS lev08 watershed · #4081149890
Bassin de Sông Tiền
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 11 administrative regions across 2 countries : An Phú, Hồng Ngự, Kaoh Thum, Kien Svay, Leuk Daek +6
Sub-basin area
1 277,7km²
Upstream area
758 010,2km²
Discharge
14 901,07m³/s
Mean elev.
4m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de ព្រែកត្របែក653 km²
- Bassin de ទន្លេមេគង្គ34 km²
11 dept-equivalent regions (GADM L2)
- 333.2 km²26.2% of basin
- 232.6 km²18.3% of basin
- 186.6 km²14.7% of basin
- 147.6 km²11.6% of basin
- 112.6 km²8.8% of basin
- 102.1 km²8.0% of basin
- 87.7 km²6.9% of basin
- 47.0 km²3.7% of basin
3 moreFull L2 list
- Phú Tân11.6 km² · 0.9%
- An Phú11.2 km² · 0.9%
- Peam Ro0.5 km² · 0.0%
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
145 distinct species · 651 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 28 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 Tiền : 19 espèces reliées par 41 interactions GloBI sur 3 types (connectance 10.1%, filtre Serrano α=0.2). 10 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°
27,7°C
Annual rain
1 355mm
Moisture idx (CMI)
-0,12
Runoff
617mm/an
PET
1 547mm
AET
1 034mm
Mean slope
0,1°
Water table
4cm
Forest
3%
Crops
56%
Urban
13%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)