Ontologia

HydroBASINS lev08 watershed · #4080017020

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 9 administrative regions : Càng Long, Cù Lao Dung, Cầu Kè, Kế Sách, Long Phú +4

Pfafstetter: 44210011

Sub-basin area

578,8km²

Upstream area

774 281,5km²

Discharge

15 252,03m³/s

Mean elev.

2m

Administrative coverage

Hydrographic chain

▼ Drains into

Outlet (drains to ocean / endorheic)

▲ Receives from 2 basins

9 dept-equivalent regions (GADM L2)

  • Cầu Kè
    Trà Vinh · Vietnam
    153.4 km²
    26.6% of basin
  • Tiểu Cần
    Trà Vinh · Vietnam
    133.2 km²
    23.1% of basin
  • Kế Sách
    Sóc Trăng · Vietnam
    89.7 km²
    15.6% of basin
  • Trà Cú
    Trà Vinh · Vietnam
    77.4 km²
    13.4% of basin
  • Trà Ôn
    Vĩnh Long · Vietnam
    51.7 km²
    9.0% of basin
  • Cù Lao Dung
    Sóc Trăng · Vietnam
    50.5 km²
    8.8% of basin
  • Long Phú
    Sóc Trăng · Vietnam
    20.4 km²
    3.5% of basin
  • Càng Long
    Trà Vinh · Vietnam
    0.1 km²
    0.0% of basin
1 more
  • Vũng Liêm0.0 km² · 0.0%

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

57 distinct species · 61 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

61 obs · 9 cellules
Obs. / cellule
≥ 25
25–24
4–24
3–3
< 3

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Bassin de Sông Hậu : 14 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 9 interactions GloBI sur 3 types (connectance 7.5%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
16
Interactions affichées
9
Connectance
0.075
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydroclimate (BasinATLAS lev08)

Mean T°

27,0°C

Annual rain

1 540mm

Moisture idx (CMI)

0,08

Runoff

900mm/an

PET

1 414mm

AET

1 009mm

Mean slope

0,1°

Water table

4cm

Forest

0%

Crops

94%

Urban

3%

Protected

0%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)