Ontologia

District · VNM

Hồng Ngự

Vietnam

AwTropical, savannah(100 %)

Species observed

61

Observations

217

Area

214,3km²

Ecological tissue

Sample of 19 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 Hồng Ngự : 17 espèces reliées par 18 interactions GloBI sur 3 types (connectance 8.6%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
21
Interactions affichées
18
Connectance
0.086
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

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

Species present

61 distinct species · 217 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

217 obs · 4 cellules
Obs. / cellule
≥ 90
90–89
71–89
71–70
< 71

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

Climate

Mean T°

27,7°C

Annual rain

1 472mm

Warmest m°

34,4°C

Coldest m°

21,7°C

Elevation: 4 m on average (min 2 m, max 6 m)

Bioclimatic detailsExpert
Annual mean temp.
27,7°C
Annual rain
1 472mm
Warmest month
34,4°C
Coldest month
21,7°C
Mean alt.
4m
Min
2m
Max
6m
Std. dev.
1m
Köppen-Geiger (dominant)
AwTropical, savannah(100 %)Tropical

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

5,7

Org. C

26,4g/kg

Clay

33,2%

Sand

24,0%

Silt

42,8%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,6
Org. C
35,6g/kg
Clay
33,5%
Sand
24,3%
Silt
42,2%
5–15 cm
pH H₂O
5,7
Org. C
19,7g/kg
Clay
33,4%
Sand
23,8%
Silt
42,8%
15–30 cm
pH H₂O
5,7
Org. C
23,8g/kg
Clay
32,6%
Sand
24,0%
Silt
43,5%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest10.0%
Crops47.4%
Built-up2.2%
Bare soil1.0%
Other (grassland, water…)39.5%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology3 basins · 0 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

76,8km

Basins crossed

3

Max stream order

8

Max drainage

758 933km²

Discharge in basins

3 017,6m³/s

Mean precip.

1 370mm/an

Mean T°

27,6°C

Moisture idx

-0,10

Mean runoff

661mm/an

Mean elev. (basins)

4m

Watersheds crossing here

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

6hab/km²

Night light

0,8nW

Built-up

215,6%

Pesticides

25,2kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Sub-administrations11